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Open Router Ports: Security Risks and How to Close Them
Security Note: Educational content: the examples describe risks, techniques, and defenses in the fie…
FunCaptcha (Arkose Labs): why the token is bound to your session — and the three ways people break it
FunCaptcha used to be the easy one. You found the public key in the page, you called the endpoint, y…
Someone forged my commits in 22 GitHub repos. Here's how to check yours
TL;DR Someone with a stolen GitHub token force-pushed fake copies of my latest commits to 22 repos…
Outlook.com Rejects Email With 550 5.7.1 as Senders Report Failures Across Multiple Services
Senders are reporting authentication-related rejections for messages to Outlook.com and Hotmail, inc…
Ghosts in the fleet: knowing the IMEI is not knowing the device
These days, in Mexico, families set up the ofrenda, the Day of the Dead altar, to welcome those who …
SaaS Role Permission Testing: Share a Matrix Before Asking Peers to Try Your Demo
For SaaS role permission testing, define the expected action for each account and resource before in…
Imperva's reese84 cookie: what it is, why it dies, and how to reuse it
Most write-ups about Imperva (Incapsula) stop at "you need the reese84 cookie". That is the easy hal…
Will Your TLS Certificate Renew—and Reach Your Visitors?
Subtitle: Six checks—expiry and renewal margin, name and chain, every hostname you serve, protocol v…
Per-agent tokens for MCP servers: what operators told me, and the design that came out of it
A few weeks ago I set out to give every AI agent its own cryptographic identity. Then I asked the pe…
The Model Never Ran: Why an Agent's Approval Gate Cannot Trust the Wire Between It and Its LLM
TL;DR HiddenLayer researchers published "Man-in-the-Model" on October 22, 2026. Their point: if a…
Advanced API Penetration Testing: Methods and Tools
Map the API attack surface: reconnaissance, discovery, and data flow mapping Test authentication and…
Authentication and Authorization: What's New in .NET 11
When it comes to authentication and authorization, .NET 11 focuses on valuable refinements. It addre…