Digital Forensics and Incident Response (DFIR)

Digital Forensics and Incident Response (DFIR) is a cybersecurity discipline focused on investigating security incidents and responding to them effectively.

Digital Forensics

The process of identifying, collecting, preserving, analyzing, and reporting digital evidence from devices such as computers, mobile phones, servers, and networks.

It is commonly used for:

• Cybercrime investigations
• Data breach analysis
• Malware and intrusion analysis
• Legal and corporate investigations

Incident Response

The structured approach to detecting, containing, eradicating, and recovering from security incidents such as hacking, ransomware, or insider threats.

Key goals:

• Minimize damage
• Restore systems quickly
• Prevent future incidents

DFIR typically includes:

• Incident detection & triage
• Evidence preservation (forensic soundness)
• Root cause analysis
• Reporting & documentation
• Lessons learned & security improvement

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