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An Overview of the Incident Response Process Contrary to public perception, incident response is a process and not a one-off event. To be successful, incident response teams must take a synchronized and organized technique to handle any incident. Here are the five important steps of an effective incident response program: Preparation
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At the core of every incident response program that works, is preparation. Even the best men cannot work effectively without preset guidelines. A solid plan should be there to support the team. Development and documentation of IR policies, threat intelligence feeds, cyber hunting exercises and communication guidelines are the most crucial elements of this plan.
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Detection and Reporting This part is concerned with monitoring security events for detecting, alerting and reporting foreseen security incidents. * Security event monitoring is possible with the help of intrusion prevention systems, firewalls, and data loss control measures. * To detect potential security incidents, the team should correlate alerts within an SIEM (Security Information and Event Management) solution. * Prior to issuing alerts, analysts make an incident ticket, document their initial findings, and then designate an initial incident classification. * When reporting, there must be room for regulatory reporting escalations. Triage and Analysis This is where most of the effort in correctly scoping and understanding the security incident occurs. Resources must be utilized to gather data from tools and systems for deeper analysis and to spot compromise indicators. People must have in-depth skills and a thorough understanding of digital forensics, live system responses, and memory and malware analysis. In collecting evidence, analysts have to concentrate on three core areas: a. Endpoint Analysis > Know the tracks the threat actor may have left behind > Get artifacts necessary to the creation of a timeline of activities > Conduct a forensic examination of a bit-for-bit copy of systems, and get RAM to parse through and spot key artifacts for determining what happened in a device b. Binary Analysis > Look into malicious binaries or tools used by the attacker and document the capabilities of such programs. Enterprise Hunting > Scrutinize current systems and event log technologies to know the scope of compromise. completion of incident report to improve the incident response plan and prevent similar security incidents in the future > post-incident monitoring to keep threat actors from reappearing > intelligence feed updates > identifying preventative measures> identifying preventative techniques > improving coordination across the organization for proper implementation of new security methods