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Webhook Signature Verification Explained — Preserving the Raw Body in Express
Short answer: put signature verification on the raw request body, compare the HMAC in constant time,…
Your Office Is a Kitchen Table Now: The Home-Office Security Walk for Small Teams
Your Office Is a Kitchen Table Now Companion to the Home-Office Security Checklist on ops-notes — …
Security Audits by Frontier Models: How Simon Willison and Alex Garcia Used Claude and GPT to Find Subtle Datasette Bugs
Simon Willison and Alex Garcia just shipped two security releases for Datasette (1.0a39 and 0.65.4) …
Webhook Signature Checks After Deploy: 7 Express Fixes for Parsed Bodies
Short answer: verify the signature against the exact raw request bytes, and put the route that recei…
Least-privilege admin console API keys: separate credentials and a 24-hour spend ceiling
A prepaid balance is not an invoice you can argue about next month. When it reaches zero the platfor…
How to Revoke 1 Abusive Node.js Tenant API Key (Without a Deploy)
Short answer: look up the abusive tenant's key ID in your own inventory, revoke that ID immediately …
Your business doesn't die from a hacker. It dies from an expired credit card.
Your business doesn't die from a hacker. It dies from an expired credit card on your DNS registrar, …
CVE-2026-56666: CVE-2026-56666: Account Takeover via Improper Email Verification in ZITADEL Federated Identity Handler
CVE-2026-56666: Account Takeover via Improper Email Verification in ZITADEL Federated Identity Handl…
Backup Restore Drill Checklist for Small Teams (Test the Restore, Not the Backup)
A backup you have never restored is not a backup — it's a wish with a cron job. Backup software repo…
Cross-Chain Bridge Risk Assessment: Lido
Cross-Chain Bridge Risk Assessment: Lido Target Protocol: Lido (TVL: $24592.6M) Technica…
CVE-2026-59151: CVE-2026-59151: Cross-Tenant Account Takeover via Improper SAML Assertion Validation in Prowler
CVE-2026-59151: Cross-Tenant Account Takeover via Improper SAML Assertion Validation in Prowler V…
Securing Your LLM Pipelines: Free System Prompt Builder & Sanitizer
Building robust LLM applications requires secure system prompts. I've just released a free, zero-dep…