Forensic Investigation
Noun · Security & Infosec
Definitions
An inquiry that uses preserved digital evidence to determine the scope, timeline, cause, and impact of suspicious or malicious activity. A forensic investigation may support incident response, litigation, compliance reporting, or law enforcement handoff.
In plain English: A formal investigation that uses digital evidence to understand a security incident.
Example: "The company launched a forensic investigation after learning the attacker had accessed executive mailboxes."