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Security Guides

Map every untrusted content channel before you launch an LLM feature

A how-to for listing every place text reaches your model, from users to web pages to tickets, and deciding what each source is allowed to trigger.

Oct 18, 20263 min read
Security Guides

Which 2FA method should open source maintainers use on GitHub?

GitHub recommends a TOTP app as primary and security keys as backup instead of SMS. Compare methods, passkeys, recovery codes and maintainer-specific tips.

Oct 18, 20263 min read
Security Guides

What macOS Gatekeeper and notarization check on downloaded software

Gatekeeper checks that downloaded software is from an identified developer, notarized and unaltered. Here is what that does and does not tell a developer.

Oct 18, 20263 min read
Security Guides

Machine interlocks: how software and bypassing weaken guarding

Interlocks stop a machine until a guard is closed. Learn the mechanical, electrical and software types, why bypassing causes injuries and how to stop it.

Oct 18, 20263 min read
Security Guides

Machine vs human identity: why services need short-lived keys

Humans can use MFA, but services cannot. Why machine identities need their own controls: scoped access, short lifetimes, ownership and workload federation.

Oct 18, 20263 min read
Security Guides

Is your Microsoft 365 data backed up? What small orgs miss

Microsoft keeps cloud data resilient, but most loss comes from people. What a small organization still needs to back up, and how long deleted files last.

Oct 18, 20264 min read
Security Guides

Lunch-and-learn, workshop or CTF: which security format to use

Pick the training format by goal, not habit. A decision guide comparing talks, hands-on workshops, CTFs and code review sessions for developer security.

Oct 18, 20263 min read
Security Guides

Lost phone playbook for engineers: first hour checklist

What to do in the first hour after losing a phone that holds code, tokens and MFA: locate, lock, erase, revoke sessions and tell the right people.

Oct 18, 20264 min read
Security Guides

Lost or stolen developer laptop: first hour checklist

A step by step response for a lost or stolen developer laptop: lock it, kill sessions, revoke SSH keys and tokens, and decide what to report and to whom.

Oct 18, 20263 min read

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