Blog - Switch Defense

When systems get hit by an attack, getting them back online is the main goal. This process, known as incident recovery, involves a lot of steps to make sure everything is safe and working right again. It's not just about fixing what's broken; it's about understanding how the attack happened and making sure it can't happen again. We'll look at how to handle different kinds of attacks and what to do afterward. Key Takeaways Incident recovery means getting systems and data back to normal after something bad happens, like rebuilding systems and checking that everything is secure. When ransomware strikes, you need to quickly isolate affected computers and plan how to get things running again without letting the bad software back in. Looking into what happened after an attack helps find out how they got in and keeps evidence safe, which is important for fixing the problem and for any legal stuff. Talking clearly with everyone involved, like your team, customers, and partners, is super important during and after an incident to keep things calm and avoid making the situation worse. Having good backups that are stored safely, maybe offline, and testing them regularly is a solid plan for bouncing back from all sorts of digital problems. Understanding Incident Recovery Defining Incident Recovery Operations When a security incident happens, getting things back to normal is the main goal. This part of the process, called recovery operations, is all about restoring your systems and data so you can get back to business. It's not just about fixing what's broken; it's a structured approach to bring everything back online safely and securely. Think of it like putting a damaged building back together after a storm – you need a plan, the right tools, and careful steps to make sure it's sound. Key activities here include rebuilding compromised systems from scratch or from trusted images, bringing back data from your backups, and then, really importantly, testing everything to make sure it's working right and is secure. You don't want to rush back into production only to find the same problem waiting for you. The whole point is to get back to a stable state, minimizing any further disruption. System Rebuilding: Setting up clean versions of servers, workstations, or applications. Data Restoration: Retrieving and verifying data from backups. Validation Testing: Checking that systems function correctly and security controls are in place. Controlled Return to Production: Gradually bringing systems back online for users. The success of recovery hinges on having reliable backups and a clear understanding of what needs to be restored first. Prioritizing Critical Services During Recovery Not all systems are created equal, especially when you're trying to recover from an attack. Some services are the lifeblood of your organization, and losing them for even a short time can cause major problems. That's why prioritizing critical services during recovery is so important. It's about figuring out what absolutely has to be up and running first to keep the business afloat. This usually involves looking at your business processes and identifying the systems that support them. For example, if you're an e-commerce site, your payment processing and order fulfillment systems are probably top priority. If you're a hospital, patient record systems and critical medical equipment interfaces would be at the top of the list. You need to know these dependencies before an incident strikes. Here’s a look at how prioritization might work: Identify Business-Critical Functions: What services are absolutely essential for your organization to operate? Map Services to Systems: Which IT systems support these critical functions? Assess Impact of Downtime: How long can each critical service be down before significant damage occurs? Develop Recovery Tiers: Group systems based on their criticality (e.g., Tier 1: Must be restored within 1 hour, Tier 2: Within 4 hours, etc.). This tiered approach helps your recovery team focus their limited resources on what matters most, getting the most important parts of your business back online as quickly as possible. Validating System Integrity Post-Recovery So, you've rebuilt systems, restored data, and brought services back online. That's great! But the job isn't quite done yet. Before you can truly say you're recovered, you need to be absolutely sure that everything is not only working as it should but is also free from any lingering threats or vulnerabilities introduced during the attack or the recovery process itself. This is where validating system integrity comes in. It’s like checking the repaired building for structural soundness and making sure no new problems were accidentally created during the repairs. You need to confirm that the systems are clean, that the data hasn't been tampered with, and that the security controls you rely on are functioning correctly. This step is vital to prevent a quick return to a compromised state. Here are some key checks you'd perform: Malware Scans: Run thorough scans on all restored systems to detect any residual malicious software. Configuration Audits: Verify that system configurations match your secure baseline and haven't been altered. Access Control Checks: Confirm that user permissions and access rights are correctly set and haven't been compromised. Data Integrity Verification: Use checksums or other methods to ensure restored data is accurate and complete. Vulnerability Scanning: Scan systems for newly introduced or unpatched vulnerabilities. This validation phase is your final checkpoint before declaring an incident closed and is critical for preventing reinfection. It requires a methodical approach, often involving specialized tools and experienced personnel to ensure no stone is left unturned. Ransomware Response and Recovery Ransomware attacks are a serious threat, and knowing how to respond and recover is key to getting back to normal. When ransomware hits, the first thing you need to do is isolate the infected systems. This stops the malware from spreading to other parts of your network. Think of it like putting out a fire – you need to contain it quickly before it gets out of control. Isolating Systems During Ransomware Attacks Isolating affected machines is critical. This means disconnecting them from the network, both wired and wireless. You might also need to disable shared drives and cloud sync services that could be used for further encryption or data exfiltration. The goal here is to create a digital quarantine. It's not about fixing things yet; it's about preventing more damage. This step is often the most effective way to limit the scope of the attack and make the recovery process more manageable. It's a bit like stopping the bleeding before you can assess the wound. Restoring Operations Without Reinfection Getting your systems back online without letting the ransomware creep back in is the next big challenge. This usually involves restoring from clean backups. It's super important that these backups are reliable and haven't been compromised themselves. If you don't have good backups, you might be looking at rebuilding systems from scratch, which takes a lot longer. You also need to make sure you've identified and fixed the original vulnerability that allowed the ransomware in. Otherwise, you're just inviting the same problem back. Identify the entry point: Figure out how the ransomware got in. Clean affected systems: Ensure all traces of malware are removed. Restore from trusted backups: Use backups that are known to be clean and recent. Patch vulnerabilities: Fix the security holes that were exploited. Monitor closely: Keep an eye on systems after restoration for any suspicious activity. Planning for Data Restoration Post-Ransomware Data restoration is often the most time-consuming part of recovery. You need a solid plan that outlines which data is most important and how quickly it needs to be back online. This involves understanding your recovery point objectives (RPO) and recovery time objectives (RTO). Having offline or immutable backups is a lifesaver here, as they can't be encrypted by the ransomware. It's also wise to test your backup restoration process regularly, not just when an incident occurs. You don't want to find out your backups don't work when you're in the middle of a crisis. This is where having a good backup and recovery solution really pays off. The decision to pay a ransom is complex, involving legal, ethical, and operational considerations. However, paying does not guarantee data recovery and can fund future criminal activities. Focusing on robust prevention and recovery strategies is generally the more secure path. Forensic Investigation for Incident Recovery When a security incident happens, figuring out exactly what went down is super important. This is where forensic investigation comes in. It's all about gathering and looking at digital evidence to understand the how, what, and why of an attack. Think of it like a detective for your computer systems. Preserving Evidence for Recovery Efforts First off, you can't just go around deleting things or fixing stuff willy-nilly after an attack. You need to preserve the evidence. This means carefully collecting logs, system images, and network traffic data without altering it. This evidence is key for figuring out the scope of the breach and can even be used later for legal or insurance purposes. It's like keeping all the pieces of a puzzle intact before you try to put it together. We need to make sure the chain of custody for all collected data is solid. Isolate affected systems immediately. Document all actions taken during the initial response. Collect volatile data (like RAM) before it disappears. Create forensic images of storage devices. Reconstructing Timelines of Compromise Once you've got your evidence, the next step is to piece together what happened and when. This involves analyzing logs from various sources – servers, firewalls, applications – to build a timeline of the attacker's actions. This helps identify the initial point of entry, how they moved around your network, and what data they accessed or stole. Understanding this sequence is vital for closing the right doors and preventing future break-ins. Security Information and Event Management (SIEM) systems are really helpful here for correlating events across different sources. Learn about SIEM systems. Reconstructing the timeline helps us understand the attacker's methods and identify critical vulnerabilities that were exploited. This detailed view is essential for effective remediation and preventing similar incidents in the future. Identifying Attack Vectors for Remediation Finally, the goal of all this investigation is to figure out how the attackers got in and how they did what they did. Was it a phishing email? An unpatched piece of software? A weak password? Pinpointing these attack vectors is the most important part for remediation. If you don't fix the root cause, you're just going to get hit again. This information guides your efforts to patch vulnerabilities, update security controls, and train your staff better. It's about learning from the incident so you can build stronger defenses. Communication Management During Incidents When a security incident strikes, clear and timely communication isn't just helpful; it's absolutely vital. Think of it like a fire drill – everyone needs to know what's happening and what they should be doing. This means coordinating with all the different groups involved, both inside your organization and outside. Coordinating Internal and External Stakeholders First off, you've got your internal teams. This includes IT, security, legal, and management. Everyone needs to be on the same page about the incident's status, the steps being taken, and their specific roles. For example, IT might be focused on containment, while legal is looking at regulatory requirements. Then there are the external folks: customers, partners, and sometimes even the media. How you talk to them can make a big difference in how your organization is perceived. Honest, straightforward communication can build trust, even in a tough situation. It's about managing expectations and providing accurate updates without causing unnecessary panic. Here’s a quick look at who needs to be informed and why: Internal Teams: Need operational updates, task assignments, and situational awareness. Leadership: Require executive summaries, impact assessments, and decision support. Customers/Partners: Need information on service disruptions, expected resolution times, and any actions they might need to take. Regulators: Must be informed if notification obligations are triggered by the incident. Media: Require carefully crafted statements to manage public perception. Reducing Reputational Damage Through Clear Communication Nobody wants their company's name dragged through the mud because of a security incident. That's where having a plan for communication comes in handy. Having pre-approved statements or templates ready to go can save a lot of time and prevent missteps. This helps ensure that whatever is said publicly is consistent and accurate. The goal is to be transparent without oversharing sensitive details that could further compromise systems or investigations. It's a delicate balance, but one that can significantly lessen the long-term impact on your brand's image. Managing Information Flow to Customers and Partners Customers and partners rely on your services, so when something goes wrong, they need to know. This isn't just about telling them there's a problem; it's about explaining the impact on them and what you're doing to fix it. For instance, if a service is down, customers need to know when they can expect it back online. Partners might need to adjust their own operations based on the disruption. Effective communication here often involves: Proactive notifications: Letting people know before they experience issues, if possible. Regular updates: Providing consistent information, even if there's no major news. Clear channels: Designating specific points of contact or platforms for incident-related information. Empathy: Acknowledging the inconvenience and showing you're working hard to resolve the situation. This is key to maintaining customer trust. By managing communication carefully, you can help maintain confidence and minimize disruption for everyone involved. Legal and Regulatory Aspects of Incident Response When a security incident strikes, dealing with the fallout isn't just about fixing the technical problem. You've also got to think about what the law says and what rules you need to follow. This part of incident response can feel like a maze, especially with so many different regulations out there. Meeting Notification Obligations Post-Incident After an incident, especially one involving personal data, you often have to tell people about it. This isn't just a nice-to-do; it's a legal requirement in many places. The clock usually starts ticking pretty fast once you know a breach has happened. You need to figure out who to notify – is it just the affected individuals, or do you also need to inform regulatory bodies? The specifics depend heavily on where your organization operates and where your customers are located. For instance, regulations like GDPR in Europe or various state laws in the US have strict timelines and content requirements for breach notifications. Failing to notify properly can lead to hefty fines and a lot of bad press. Identify the type of data compromised: Was it personal information, financial data, or something else? Determine notification triggers: Does the incident meet the threshold for mandatory reporting? Consult legal counsel: Get advice on specific notification requirements and timing. Draft clear and accurate notification messages: Avoid jargon and explain the situation plainly. Understanding the nuances of data breach notification laws is paramount. These laws are designed to protect individuals and hold organizations accountable for safeguarding sensitive information. Ignoring them can lead to significant legal and financial repercussions. Coordinating with Legal Counsel for Recovery Your legal team is a vital part of your incident response. They help you understand your obligations, manage communications, and protect the company from further legal trouble. When you're trying to recover systems, legal counsel can advise on actions that might impact evidence or create liability. They'll also be instrumental in dealing with any regulatory inquiries or potential lawsuits that might arise from the incident. It’s about making sure your technical recovery steps don't accidentally create bigger legal problems down the line. Having a good working relationship with your legal team before an incident occurs makes a huge difference when you need them most. You can find resources on incident response planning that often include legal coordination steps. Navigating Varying Jurisdictional Requirements This is where things get really complicated. If your business operates in multiple states or countries, you're likely subject to a patchwork of different laws and regulations. What's required in California might be completely different from what's needed in New York, or in the UK, or in Japan. Each jurisdiction might have its own rules about data privacy, breach notification, and reporting timelines. Trying to keep track of all these different requirements can be a full-time job. It means your incident response plan needs to be flexible enough to accommodate these variations. You might need to consult with legal experts who specialize in international data privacy laws to make sure you're covered everywhere you operate. It’s a constant balancing act to meet all these demands while still focusing on getting your systems back online. Third-Party Incident Response Coordination When a security incident happens, it's not always just your own systems that are affected. Often, the problem can stem from or spread to your vendors, suppliers, or other partners. This is where coordinating with third parties becomes really important. Assessing Shared Responsibility with Vendors It's easy to assume that if a vendor is handling your data or providing a critical service, they're solely responsible for its security. But that's usually not the whole story. You both likely share some level of responsibility. Your contract should spell this out, but even if it doesn't, you need to understand where your responsibilities end and theirs begin. This means looking at things like: Data ownership: Who owns the data that was compromised? Contractual obligations: What does your service agreement say about security incidents and breach notifications? Technical controls: What security measures were in place on both your side and the vendor's side? Understanding these shared duties helps prevent finger-pointing and speeds up the response. Defining Containment Boundaries in External Incidents If an incident involves a third party, figuring out where the problem starts and stops can be tricky. You need to clearly define the boundaries of the incident. Is it contained within the vendor's network? Has it spread to your systems through their connection? Or vice versa? This involves: Rapid communication: Getting in touch with the vendor immediately to share information. Information sharing: Exchanging technical details about the compromise. Joint containment efforts: Working together to isolate affected systems, whether they are yours or the vendor's. This coordinated approach is key to stopping the spread and minimizing damage. Understanding Contractual Obligations During Recovery Your contracts with third parties are your roadmap when things go wrong. They should outline what happens during an incident, especially concerning recovery. Key things to look for include: Notification timelines: How quickly must the vendor inform you of a breach? Recovery service levels: What are their commitments for restoring services after an incident? Audit rights: Can you audit their security practices or incident response? Liability clauses: Who is financially responsible for damages? Reviewing these clauses before an incident occurs is much more effective than trying to decipher them under pressure. It helps set expectations and ensures you can work towards a swift recovery. When a third-party incident happens, it's a team effort. Clear communication, defined responsibilities, and a solid understanding of your contracts are what will get you through it. Business Continuity and Disaster Recovery Planning When things go wrong, and they will, having a solid plan to keep the lights on and get back to normal is super important. This isn't just about fixing computers after a hack; it's about making sure the whole business can keep running, even when major disruptions hit. Think of it as having a backup plan for your backup plan. Ensuring Operational Continuity During Disruptions Keeping the business going when something unexpected happens is the main goal here. This means figuring out what parts of the business absolutely have to keep working, no matter what. We're talking about the core functions that bring in money or serve customers. It involves creating detailed plans, often called playbooks or runbooks, that spell out exactly what steps to take. These aren't just theoretical documents; they need to be practical guides that people can actually follow when they're under pressure. This might mean using alternate ways to do things, like manual processes if a system is down, or shifting work to a different location if the primary office is inaccessible. Activating Continuity Plans Effectively Having a plan is one thing, but knowing when and how to put it into action is another. This part is all about the triggers and the process. What specific event or condition tells us it's time to activate the continuity plan? Who makes that call? Once activated, how do we make sure everyone involved knows their role and what needs to be done? It's like a fire drill, but for all sorts of potential disasters, from cyberattacks to natural events. The key is to have clear communication channels and a designated team that can quickly assess the situation and deploy the necessary resources and procedures. Testing these activation steps regularly is vital so that when a real event occurs, the response is swift and organized, not chaotic. Aligning Recovery Objectives with Business Needs When we talk about recovery, especially after a major IT incident or disaster, we need to be realistic about what the business actually needs. This involves setting clear goals for how quickly systems need to be back online (Recovery Time Objective, or RTO) and how much data loss is acceptable (Recovery Point Objective, or RPO). These aren't just technical metrics; they have to directly support what the business requires to function. For example, if a customer-facing application has an RTO of 4 hours, but the business needs it back within 30 minutes to avoid significant financial loss, then the IT recovery objective needs to be adjusted. It's a constant balancing act between what's technically feasible and what the business can afford to lose in terms of time and data. Here’s a quick look at how RTO and RPO might align: Critical Service Business Need (Max Downtime) Recovery Time Objective (RTO) Recovery Point Objective (RPO) Online Sales Platform 15 minutes 10 minutes 5 minutes Customer Support System 2 hours 1 hour 30 minutes Internal HR Portal 1 business day 4 hours 1 hour Ultimately, business continuity and disaster recovery planning are about building resilience. It's about accepting that disruptions will happen and having a well-rehearsed strategy to minimize their impact, protect assets, and get back to normal operations as efficiently as possible. This proactive approach saves time, money, and a lot of headaches when the unexpected strikes. Post-Incident Review for Enhanced Recovery After the dust settles from a security incident, the real work of getting smarter begins. This isn't just about fixing what broke; it's about figuring out why it broke in the first place and how to stop it from happening again. A thorough post-incident review is your best tool for this. It’s where you take a hard look at the whole event, from the first sign of trouble to the final return to normal operations. Analyzing Root Causes of Security Incidents This is where you dig deep. We're not just looking at the immediate trigger, like a phishing email or an unpatched server. We want to understand the underlying issues that allowed the incident to happen and spread. Was it a gap in our monitoring? A process that wasn't followed? Maybe a lack of proper training for staff? Identifying these root causes is key to preventing future problems. It’s like finding the actual source of a leak, not just mopping up the water. Technical Root Causes: This could involve unpatched software, misconfigured systems, weak access controls, or flaws in application code. We need to pinpoint the exact technical weakness that was exploited. Process-Related Root Causes: Sometimes, it's not the tech itself but how we use it. This might include insufficient security policies, poor change management, or inadequate incident response procedures. Human-Related Root Causes: Often, human error or behavior plays a role. This could be falling for a phishing scam, using weak passwords, or not following security protocols. Understanding this helps us focus on better security awareness training. We need to move beyond simply identifying the malware or the compromised account. The goal is to uncover the systemic issues that created the opportunity for the attack to succeed and cause damage. Evaluating Response Effectiveness Once we know why it happened, we need to assess how well we handled it. Did our incident response plan work as expected? Were our detection systems fast enough? How quickly did we contain the threat? Were communications clear and timely? This part involves looking at metrics like Mean Time to Detect (MTTD) and Mean Time to Respond (MTTR). Were these times within acceptable limits, or did they indicate areas where we were too slow? Here’s a quick look at what we evaluate: Detection Speed: How long did it take from the initial compromise to our first alert? Containment Actions: Were the steps taken to stop the spread effective and timely? Communication Flow: Was information shared efficiently among teams and with stakeholders? Resource Allocation: Did we have the right people and tools available when needed? Driving Improvements to Future Recovery Processes The final step is turning all this analysis into action. What specific changes will we make based on what we learned? This could mean updating our incident response playbooks, investing in new security tools, revising our backup strategies, or conducting more targeted training. The aim is to make our recovery processes stronger and more efficient for the next time, because let's be honest, there will be a next time. We want to be better prepared and recover faster, minimizing disruption and impact. Backup and Restoration Strategies for Resilience Having solid backup and restoration plans is super important for bouncing back after something bad happens. It's not just about having copies of your files; it's about making sure you can actually get them back when you need them, and that they're still good. Think of it like having a spare tire for your car – it's no good if it's flat or you don't know how to change it. Implementing Regular Backup Schedules This is pretty straightforward: back up your stuff often. How often depends on how much data you can afford to lose. If you're making changes all the time, you'll want to back up more frequently. For most businesses, daily backups are a minimum, but for critical systems, you might need hourly or even more frequent backups. It's about finding that sweet spot between having up-to-date data and not overwhelming your systems or storage. Daily full backups: Capture everything. Incremental backups: Back up only what's changed since the last backup (full or incremental). Differential backups: Back up what's changed since the last full backup. The goal is to have a recovery point objective (RPO) that aligns with your business needs. This means defining the maximum acceptable amount of data loss measured in time. Utilizing Offline or Immutable Storage Just backing up isn't enough if those backups can be compromised too. That's where offline or immutable storage comes in. Offline backups are physically disconnected from your network, making them inaccessible to online threats like ransomware. Immutable storage means that once data is written, it cannot be altered or deleted for a set period. This provides a really strong safety net. We've seen too many cases where backups were wiped out along with everything else. Having a copy that's truly separate is key. You can learn more about incident response and recovery here. Testing Backup Integrity for Trustworthy Recovery This is the part a lot of people skip, and it's a huge mistake. You can have the best backup system in the world, but if you don't test it, you don't really know if it works. Periodically, you need to actually restore files or even entire systems from your backups to make sure they're not corrupted and that the restoration process goes smoothly. This isn't just a technical check; it's a confidence check. It confirms that when disaster strikes, your backups will actually help you get back on your feet, not create more problems. It's about having trustworthy recovery. Cyber Resilience in Modern Threat Landscapes The digital world keeps changing, and so do the ways bad actors try to get in. We're not just talking about simple viruses anymore. Think about advanced persistent threats, or APTs, which are like long-term spies trying to steal secrets. Then there's ransomware, which has gotten smarter. It doesn't just lock up your files; it often steals them first, threatening to leak them if you don't pay. This double threat makes recovery much more complicated. Prioritizing Recovery and Continuity in Planning When planning for the worst, it's not enough to just think about stopping attacks. We have to focus on what happens after an incident. This means building systems that can bounce back quickly. It involves having solid backup plans, but also thinking about how your business keeps running even when parts of your IT are down. This is where cyber resilience really comes into play. It's about being prepared to keep going, no matter what. Develop robust incident response plans: These plans should detail steps for containment, eradication, and recovery. Implement regular, tested backups: Ensure backups are stored securely, ideally offline or in an immutable format, and test restoration frequently. Establish clear communication channels: Define how information will flow internally and externally during an incident. Identify critical business functions: Know which services are most important and prioritize their restoration. Integrating Incident Response with Resilience Incident response and resilience aren't separate things; they work together. A good incident response plan is a key part of a resilient strategy. It's like having a fire extinguisher ready – it's there to help you manage the immediate crisis. Resilience, on the other hand, is about making sure your whole building is designed to withstand fires and can be rebuilt quickly if one does break out. We need to make sure our response actions are designed to support long-term recovery and continuity, not just put out the immediate fire. This means thinking about how each step in the response process impacts our ability to get back to normal operations smoothly. For example, isolating a system might be necessary for containment, but we also need a plan for how to bring it back online safely and quickly once the threat is gone. This integrated approach helps minimize downtime and damage. Adapting to Evolving Cybersecurity Threats The threat landscape is always shifting. New types of malware appear, and attackers find clever ways to get around defenses. For instance, zero-day exploits, which target previously unknown software flaws, are particularly tricky because there's no patch available when they first show up. Attackers are also getting better at social engineering, using AI to make their phishing attempts more convincing. To keep up, organizations need to be flexible. This means continuously updating security tools, training staff on new threats, and staying informed about the latest cybersecurity threats. It's a constant game of catch-up, but staying aware and adaptable is key to staying protected. Moving Forward After an AttackSo, we've talked a lot about what happens when things go wrong with cyberattacks. It's not just about stopping the bad guys; it's also about getting back on your feet. Having solid backups is a big deal, and knowing how to use them is even bigger. Plus, figuring out exactly how the attack happened helps stop it from happening again. It’s a lot to think about, but getting systems back online and making sure they stay that way is the main goal. It really comes down to planning ahead and learning from what happened, so next time, you're better prepared. Frequently Asked Questions What is system recovery after an attack?System recovery means getting your computers and data back to normal after a cyberattack, like a virus or ransomware. It's like fixing your house after a storm, making sure everything is safe and working again. Why is it important to isolate systems during an attack?Imagine a fire spreading in a building. You close doors to stop it from reaching other rooms. Isolating systems does the same thing for cyberattacks, preventing them from spreading to more computers and causing more damage. What's the difference between incident response and recovery?Incident response is the immediate action you take when an attack happens, like stopping the bad guys. Recovery is what you do afterward to fix things, bring systems back online, and make sure they're safe to use again. How do backups help with recovery?Backups are like copies of your important files and system settings. If an attack messes things up, you can use these copies to restore what was lost, similar to using a backup copy of a document you accidentally deleted. What does 'validating system integrity' mean after an attack?It means checking carefully to make sure that after you've fixed everything, the systems are truly clean and secure. You're double-checking that the attackers are completely gone and nothing was left behind that could cause problems later. Why is communication important during a cyberattack?When something bad happens, everyone needs to know what's going on. Good communication keeps employees, customers, and partners informed, reduces panic, and helps everyone work together to get things fixed faster. What are 'attack vectors'?Attack vectors are the different ways hackers try to get into your systems. Think of them as the entry points they use, like fake emails (phishing), weak passwords, or unpatched software. What is 'business continuity'?Business continuity is about making sure your business can keep running, even when something bad happens. It's having plans in place so that critical services can continue, or be quickly restored, to minimize disruption.