Module 19 · Why Passwords Persist 5+ Years

Manish Garg
Manish Garg Associate of (ISC)² · RingSafe
Apr 27, 2026
1 min read
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Last updated: April 29, 2026

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Service-account password rotation breaks services. Documentation incomplete. Owner unknown. Last person who knew has left. Result: passwords from 2018 still active.

Service-account password rotation breaks services. Documentation incomplete. Owner unknown. Last person who knew has left. Result: passwords from 2018 still active.

This is the structural reason Kerberoasting works at every internal pentest.

The mindset: gMSA (Group Managed Service Account) where possible — Windows manages rotation. Where not possible, ≥25-char passwords (cracking economically unfeasible).

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