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I built OpenShell's Z3 policy prover and ran 29 checks. It caught everything except the metadata address.
OpenShell — NVIDIA's "safe, private runtime for fleets of autonomous AI agents" — hit the Hacker New…
Yield Strategy Optimization Report: Ethena USDe
Yield Strategy Optimization Report: Ethena USDe Target Protocol: Ethena USDe (TVL: $4634.5M) Yiel…
Understanding the PHP Interpreter: Trends and Technical Insights
The Core Engineering Challenge PHP serves as a general-purpose scripting language designed specifi…
Your server says PHP 8.3.6. Is it fixed for PHP2Shell?
You read the PHP2Shell advisory. The fixed releases are PHP 8.2.35, 8.3.36, 8.4.27 and 8.5.12. You l…
The 302 that pretended to be a 200
The error that was not in the form In production, every contact form submission came back with the…
One MCP server, five auth shapes: per-seat door credentials when a client can't send a header
Here's a problem I didn't expect to be the blocker. I had three model seats — ChatGPT, Gemini, Copi…
Scanning for Open Ports and Vulnerabilities with Nmap
Nmap (Network Mapper) is an open-source network discovery tool that identifies hosts, services, and …
Setting Up Firewall Policies using Firewalld
Firewalld is a dynamic firewall application that provides a flexible way of setting up network filte…
AI-Generated Receipt Storage: Per-User Object Keys, Deletes, and Lifecycle Rules
Short answer: store every AI-generated receipt image under a private per-user prefix, delete known o…
NEM Token Exploit: A Skim-and-Burn Loop Drained $822K
Originally published at NEM Token Exploit: A Skim-and-Burn Loop Drained $822K On 21 October 2026 at…
Private Image Storage: Signed Download Links, Retention, and Object-Store Trade-offs
Short answer: keep the bucket private, put a short-lived signed URL behind an authorization check, a…
If I can't patch it the same day, I don't host it myself
Two critical PHP bugs came out this week. Both can let an attacker run code on a server. No login ne…