John Z Black

Hidden Admin Surfaces Are Still the Fastest Way In

John Z Black Mar 21, 2026

Vulnerabilities & Patching #ip-kvm #telnetd #remote management #attack surface #hardening

Fresh KVM and telnetd exposure reporting shows old management interfaces remain high-impact attack shortcuts.

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Patch Cycles Are Now Running Behind the Exploit Curve

John Z Black Mar 19, 2026

Vulnerabilities & Patching #exploit-window #patch-management #kev #telnetd #rapid7 #microsoft #vulnerability-operations

A GNU telnetd PoC is already circulating. CISA added another KEV entry. Rapid7 says exploited high/critical vulns surged 105% and attack timelines collapsed. Meanwhile teams are still digesting Microsoft's 83-vulnerability March dump.

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