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What Is Incident Response? Incident response is a process and not simply an isolated 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 people cannot effectively tackle an incident if there are no predetermined guidelines. There must be a strong plan to support the team. To address security events successfully, this plan must include four crucial elements, namely development and documentation of IR policies, guidelines for communication, cyber hunting exercises, and threat intelligence feeds.
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Detection and Reporting This part is concerned with monitoring security events for detecting, alerting and reporting foreseen security incidents. * To monitor of security events in the environment, the team can use firewalls, and set up data loss and intrusion prevention systems. * Potential security incident detection can be done through the correlation of alerts in a Security Information and Event Management (SIEM) system. * 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 have to be utilized for the collection of data from tools and systems for more extensive analysis, as well as to find indicators of compromise. Team members must be very skilled and knowledgeable in live system responses and digital forensics, along with malware and memory analysis. In collecting evidence, analysts have to concentrate on three core areas: a. Endpoint Analysis > Determine the tracks of the threat actor > Get the artifacts required to create a timeline of activities > Conduct a forensic analysis of a detailed copy of systems, and have RAM scan through and point to key artifacts to know what transpired on a device b. Binary Analysis > Check dubious binaries or tools the attacker used and document those programs’ functionalities. Enterprise Hunting > Go through presently used systems and event log technologies and determine the extent of compromise. incident report completion to enhance the incident response plan and avoid similar security issues in the future > post-incident monitoring to keep threat actors from reappearing > updates of threat intelligence feeds > identifying preventative measures> identifying preventative techniques > improving internal coordination in the organization to implement new security measures properly