Module 11 · IOC Hygiene

Manish Garg
Manish Garg Associate of (ISC)² · RingSafe
Apr 27, 2026
1 min read
Read as

Last updated: April 29, 2026

100% Free

No signup. No paywall. No catch. One of our 10 most-requested practitioner modules — published in full so anyone can learn for free. We earn through consulting, not by gating knowledge.

See all 10 free modules →

Buying IOC feeds is the easy part. Operationalising them without false positives is the hard part.

Buying IOC feeds is the easy part. Operationalising them without false positives is the hard part.

IOC lifecycle

  1. Ingest from source
  2. Score (confidence, source reputation)
  3. Enrich (WHOIS, geolocation, ASN, related campaigns)
  4. Match against telemetry
  5. Decay — IOCs age out (IPs rotate, domains expire)
  6. Retire — remove from active matching after N days
Want this for your team?

Custom team training + practitioner advisory

Beyond the free academy — we run private workshops, vCISO advisory, and red-team exercises tailored to your stack. For Indian SMBs scaling past their first hire.

Book team training call Replies in 4 working hrs · India-only · Senior consultants