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What is a CSIRT?
A CSIRT (Computer Security Incident Response Team) is a highly specialized group composed of cybersecurity experts. Its mission is the prevention, detection, analysis, and response to computer security incidents, both within an organization and in a specific sector. These professionals operate both proactively and reactively, using advanced tools and methodologies to identify and mitigate cyber threats. Their goal is to protect critical assets and ensure business continuity, providing threat intelligence across all their activities.
CSIRTs operate under standardized protocols and procedures and maintain constant vigilance over the cyber environment to detect any anomalies or suspicious activity. Additionally, they closely collaborate with other security teams, service providers, and government agencies to share information on emerging threats and best security practices.
Main functions of a CSIRT:
- Prevention: Identifying vulnerabilities, implementing proactive security measures, and raising user awareness.
- Detection: Continuous monitoring of systems and networks, log analysis, and intrusion detection.
- Analysis: Thorough investigation of incidents to determine their cause, scope, and impact.
- Response: Containing the incident, eliminating the threat, restoring affected systems, and learning from the lessons learned.
- Recovery: Developing disaster recovery plans and restoring affected services.
- Communication: Coordinating with internal and external teams, notifying stakeholders of incidents, and creating reports.
- Training: Designing and implementing ongoing training programs for CSIRT members and other organizational teams to improve their cybersecurity knowledge and skills.