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OPSEC Fundamentals

Five operational security principles with real-world failure patterns and a practical checklist.

OPSEC Fundamentals — darknet security guide illustration with OPSEC shield motif
Animated pulsing shield GIF highlighting operational security habits for OPSEC Fundamentals

Compartments

Separate identities, devices, and financial rails. Contamination between research persona and real life is the most common catastrophic failure.

Minimize Unique Fingerprints

Writing style, timezone leaks, reused nicknames, and rare software stacks all correlate identities.

Assume Breach

Plan for laptop seizure and account compromise. Encryption at rest, minimal retained logs, and rehearsed shutdown habits matter.