Containment, Eradication, and Recovery
Containment, eradication, and recovery are three essential phases of the incident response process. Containment involves isolating the affected systems, networks, or applications to prevent the spread of the security incident. It could include temporarily disabling certain services or network access. Eradication focuses on eliminating the threat from the compromised system(s) through the removal of malware, closing of vulnerabilities, or repairing affected systems. Recovery involves restoring affected systems to their normal operational status and ensuring that all necessary security measures are in place. These steps must be undertaken in a coordinated and controlled manner to minimize service disruption while maintaining the security and integrity of the affected systems.
Guide for Containment, Eradication, and Recovery
The Containment, Eradication, and Recovery is a crucial part of Incident Response & Forensics in CompTIA Security+.
Importance: It is important because it outlines a systematic approach to handling security incidents or breaches, and ensures minimum damage and quick recovery.
What it is: They are stages in incident response plan. Containment aims to limit the scope and impact of the incident. Eradication removes the cause of the incident and any damage from it. Recovery focuses on restoring systems to normal operation and maintaining the confidence of customers and business partners.
How it works: When a threat is detected, the system goes into containment phase to prevent further damage. Once contained, the system will move into the eradication and recovery phases to eliminate threats and return to normal functions respectively.
Answering Questions: Questions on containment, eradication, and recovery focus on understanding these processes and their importance in incident response. The ability to define them, describe their functions, and to discern the correct sequence, among other things, is necessary.
Exam Tips: Focus on the sequence and roles of these processes in incident response. Understanding the theoretical concepts and practical application will be beneficial. The difference between containment, eradication, and recovery must be clear, and examples of actions in each stage should be known. Remember to answer concisely and accurately.
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