Kevin Kessler · Infrastructure & Security

A glyph is meaning,
rendered.

Infrastructure, security, and automation I actually run in production. The code, the tools, and the write-ups are all here, free to use.

01 / Work

Selected work

Grades a TLS endpoint from A to F in your terminal or CI: expiry, chain trust, protocol and cipher strength.

Audits sshd_config and authorized_keys for weak keys, weak crypto, and dangerous defaults.

Turns DMARC aggregate XML into a readable digest: who sends as you, who is spoofing you, what to fix.

Offline triage for Windows .evtx logs: brute-force bursts, cleared logs, rogue services, and suspicious PowerShell. Built for incident responders.

Sweeps shell histories and stray credential files on macOS for leaked tokens, then redacts what it finds. No dependencies.

02 / Browse

glyph.sh:~$ ls ~/

03 / Writing