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MCP tool authorization: a gateway deny counts only when the server shows no side effect
Putting a gateway in front of an MCP server gives you a policy enforcement point on one network path…
Your “Private” Search Engine Might Run on Bing. This One Builds Its Own Index
Be honest: when a privacy page says "we care about your data", do you believe it? 😅 Yeah. Me neithe…
I Built the Missing Guardrails Package for Dart
I shipped a Flutter app to production last year with an LLM chatbot baked in. Two weeks later a user…
The Cleanup Script Was Right About the Name and Wrong About the File: Dynamic Includes and Leftover-File Hunts
Every few weeks we run a maintenance pass over the servers we look after. One step is a hunt for lef…
SAML signature wrapping tests at the signed-reference boundary
SAML signature wrapping tests at the signed-reference boundary A SAML response can contain a crypt…
26,739 Trading VPS Servers Got Hacked in Japan. Here's What Every VPS User Should Check.
Imagine checking your trading account and it's just gone. Not because of a bad trade. Because the se…
Wie man den Netzwerkverkehr von Android-Apps überwacht
Jeder kennt es: Sonntagmorgen. Du scrollst durch eine ominöse Social Media App und dann fragst du di…
How Backend Authentication Works: From Passwords to Sessions and JWTs
The first blog established the difference between authentication and authorization. This one should …
Read the authentication results before changing your email DNS
When an email authentication check fails, collect evidence from one message before changing DNS. A D…
How I Taught a Security Agent to Remember with Hindsight
How I Taught a Security Agent to Remember with Hindsight When I started building SentinelOps, I ke…
Rotating TLS session-ticket keys without weakening resumption
Rotating TLS session-ticket keys without weakening resumption TLS session tickets let a server res…
TCP Fingerprinting: What One Packet Tells a Server About Your OS
A web server learns something about your machine before it parses a single header. The SYN packet th…