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Check Your SPF, DKIM, and DMARC Records From the Command
``If your emails land in spam or get rejected, the cause is often a missing or broken DNS record. SP…
I Did Not Trust the Cloud With My Passwords, So I Built a Vault That Never Leaves My Machine
I have a lot of logins. Like everyone else, I kept them in my head, then in a text file, then nowher…
Who sees your cycle data? What a 2021 FTC order teaches builders about sensitive health data
Cycle-tracking apps now use AI to predict periods and fertile windows. Many people find that useful,…
Why Your Coding Agent Agrees With Its Own Bugs: Building cold-jury, a Zero-Dep Cross-CLI Review Gate
Applying Google's Elephant-Goldfish pattern and arXiv:2607.21656 to run sterile, cross-model hostile…
What we learned building two fail-closed verification tools for the agent economy
ERC-8004 gives AI agents an on-chain identity, but identity is not trust. A few recent posts here ma…
Deepfake Voice Calls: Stopping Executive Impersonation Scams
The direct fix: verify the channel, not the voice Treat any voice request for a wire transfer, pas…
Windows-sikkerhed i praksis: 4 PowerShell-tjek til en mere sikker arbejdscomputer
En medarbejder bruger sin Windows-computer til e-mail, dokumenter, videomøder og forskellige arbejds…
Dense Sand Dispatches Day-2 Operations Demand Deterministic Architecture
Standard Infrastructure-as-Code (IaC) is often a Day-1 illusion. We celebrate the speed of a one-cli…
Ein Kalender-Zugriff ist ein Häkchen. Eine gesendete Mail ist eine Entscheidung
Ein Kalender-Zugriff ist ein Häkchen. Eine gesendete Mail ist eine Entscheidung – und genau dazwisch…
PHP Vulnerability October 2026: Check and Fix 2 CVEs
Originally published on Sitecheckly. Two PHP vulnerabilities, CVE-2026-109618 and CVE-2026-109619, …
Your probe set is a traffic class: how to audit model substitution without tipping off the swap
A few days ago I published two ways to prove which model answered you: client-side probes and vendor…
GitHub Actions OIDC: AWS deploys without access keys
With GitHub Actions OIDC, your pipeline gets its own short-lived AWS credentials for every run inste…