Indicator of Compromise
N/A
失陷指标
Indicator of Compromise · N/A · 失陷指标 · IN-dih-kay-ter uv KOM-pruh-myz · IOC · compromise indicator · Cybersecurity · detection · ir · threat-intelCybersecurityIOC compromise indicator/IN-dih-kay-ter uv KOM-pruh-myz/
Also known as: IOC, compromise indicator
Last updated August 9, 2026
Definition
An indicator of compromise (IOC) is evidence of intrusion — such as a malicious file hash, suspicious domain, or odd registry key — used for detection and hunting.
Real-World Example
Blocking a domain listed in an IOC report can stop remaining malware from reaching its C2 server.
References
Related terms
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