Patch Operating Systems

OS Patching: Secure Your Digital Foundation

Introduction:

Unpatched operating systems are like buildings with broken locks – anyone can walk in. The ASD mandates patching critical OS vulnerabilities within two weeks because they’re the backbone of your security controls.

Maturity Level Implementation:

Level 0:

(Non-Compliant)

No formal patching process
End-of-life systems in use
Frequent ransomware incidents

Level 1:

(Basic)

Standardized approved apps list
Blocks common malware formats (.exe, .ps1)
Manual approval process

Level 2

(Intermediate)

Monthly OS updates
Critical patches within 14 days
Basic inventory management

Level 3:

(Advanced)

Weekly update cycles
Critical patches within 48 hours
Automated testing/rollback