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Published On: Dec 6, 2024Tags:

Tech Tips: Forming a 9 Step Cyber Attack Response Strategy

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One of the most terrifying things a user or company can experience is signing into a work computer in the morning only to receive a message suggesting that the files on that computer have been taken by a ransomware program. Just as sinister, a user may be informed that colleagues and clients have been defrauded by a bad actor who managed to get into their email and masqueraded as them to scam others. Even after the cyber attack, failing to report the issue of data breaches can be costly and involve legal repercussions. A cyber attack response strategy is a key factor in how successful a company can be in the age of the internet.

But what do you do when you experience these security breaches?

There are several steps to successfully dealing with a cyber attack. We’ve laid out a few of the most important parts of forming an adequate response below.

1. Identification and Detection

The first step is detecting that a cyber attack is occurring. This can be done through alerts from security systems, abnormal network behavior, system crashes, or user complaints. Signs include unauthorized access, unusual network traffic, or slow performance. Early detection helps prevent further damage.

2. Containment

Once the attack is confirmed, immediate action should be taken to contain it and limit its spread. This may involve isolating affected systems from the network, disconnecting internet access, or disabling compromised accounts. The goal is to stop the attacker from further exploiting vulnerabilities while preserving evidence for analysis.

3. Eradication

After containing the attack, the next step is to identify the root cause and remove any malicious software, scripts, or compromised accounts from the systems. This could include deleting malware, closing vulnerabilities, or restoring files from clean backups. Eradication ensures that the threat is fully removed from the environment. Most cyber attack response strategies employ detailed methods on how to quarantine infected hardware from other networks or devices until it can be treated.

4. Recovery

Once the threat is neutralized, businesses can begin restoring their systems and data. This may involve rebuilding infected systems, recovering data from backups, and bringing services back online. It’s important to ensure that the restored systems are secure and free of any traces of the attack before resuming normal operations.

5. Communication
Throughout the process, clear communication is essential. Affected parties, including employees, customers, partners, and regulatory authorities, should be informed about the attack, its impact, and the steps being taken. Internal communication is key to ensuring that all departments are aligned in what happened and how to prevent it again, while external communication ensures transparency and maintains trust.

6. Investigation and Analysis

Once systems are recovered, it’s critical to conduct a thorough investigation into the attack. This includes analyzing how the breach occurred, what vulnerabilities were exploited, and how the attack was carried out. Forensics tools can be used to gather evidence that will help understand the extent of the attack and prevent future incidents.

7. Post-Attack Reporting and Documentation

Document all actions taken during the incident for future reference and compliance purposes. This includes keeping records of communications, decisions made, actions performed, and lessons learned. A detailed incident report is often required for insurance claims or legal purposes, and to improve response protocols.

8. Review and Improve Security Measures

After the attack, it’s crucial to assess your current cybersecurity measures and improve them. This may include updating software and security patches, strengthening firewalls, conducting regular vulnerability assessments, and training staff on how to identify phishing attempts or other cyber threats. It’s also a good time to review your disaster recovery and business continuity plans.

9. Ongoing Monitoring

After the immediate threat is resolved, ongoing monitoring is necessary to ensure the attack has not left behind any lingering threats. Implementing continuous monitoring systems can detect anomalies and help prevent future attacks.

A successful response to a cyber attack requires a structured, systematic approach. By detecting, containing, and eradicating the threat swiftly, and learning from the incident, businesses can recover more quickly, improve their cybersecurity posture, and mitigate future risks. If your company is looking for assistance with making sure you have the best recovery strategy following a cyber attack, or want to fortify your systems before you can become a victim, reach out to one of our sales representatives today.