A practical guide to troubleshooting DNS, TCP, TLS, and HTTP failures using a single Python CLI for network and service diagnostics. Imagine receiving an alert indicating that a web application is unavailable. The server is still running. The infrastructure appears…
In my day job I build software for clients with AI agents. On a normal day I have dozens of agents running at once (I use Claude Code), each in its own git worktree, on projects with expensive checks: test…
What does your sandbox actually stop? It is a real boundary. It removes the obvious exfiltration paths: a socket, a file, a mounted volume, a device. It also removes most of the escape surface that red teams normally reach for,…
Two of those holes are still open. Codex and VS Code had no fix as of October 29, so a developer who opens a rigged project in either tool can still lose SSH keys, cloud credentials and developer tokens with one…
This digital age also brings into possibility the role of digital money and central bank digital currencies (CBDCs), which are growing to become integral to Web3's global economic infrastructure. CBDCs, which are digital currencies issued by governments and backed by…
Below is the full story, with the code. Here are three example pages built from Keepp templates: That's what a real Keepp page looks like: a profile, social links, sections, products and bookings. It's also why the spam pattern below…
This article was created with the help of AI. The incident, the logs and the numbers are from my own server. On September 25 at 19:01 UTC my server stopped responding. The site, the admin panel and the publishing queue all froze…
If your app sends one-time codes by SMS, you eventually need to test the whole flow end to end: request a code, receive it, type it in, handle expiry and resend. Using your own phone number for that gets old…
Most AI security education is broken from day one because it assumes you have two things: an unlimited corporate credit card for OpenAI API tokens, and a dedicated multi-GPU server under your desk. The moment you step into a classroom,…
Every detection team I have talked to ends up in the same place: the same detection logic written four times. Once for Splunk, once for Elastic, once for Sentinel, once for the in-house thing nobody wants to touch. The rule…
Models used to attack, models used to defend, and the new attack surface.
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