Patch applications
Internet-facing systems; workstations; servers · also Cloud (customer-managed software)
- Expected outcome provisional
- Known vulnerabilities are fixed or mitigated quickly, fastest where systems face the internet or an exploit exists, and unsupported software is removed.
- Maturity Level Two today
- Internet-facing services patched within two weeks, or 48 hours if an exploit exists; office suites, browsers, email clients, PDF and security software within two weeks; other applications within one month; vulnerability scanning on a schedule; unsupported applications removed.
- Evidence that it works
- Time to patch per asset group against the target, and how many assets are outside it.
- Where it sits in Microsoft 365
- Defender Vulnerability Management exposure and remediation reports.
- ASD reference
- To be added from the enterprise IT chapter