Cybersecurity
Vulnerabilities, exploits, cryptography and defensive engineering — written by people who patch real servers.
$ ls -t ~/cybersecurity
CVE-2026-53359 lets a guest VM crash or potentially root your Proxmox host, and it hid in KVM's shared code for 16 years. What to patch and how to check.
CVE-2026-55010 lets an attacker take over your Bedrock server with one packet, no login required. What it actually affects, and how to patch it today.
Ghost Check #1: the Puppet Master hacked minds by exploiting the gap between what a system experiences and what it can verify. Thirty-one years later, a researcher did the same thing to Microsoft 365 Copilot with a single email.
The capstone to our RSA series. The math checks out. Shipping it as written gets you breached. This is the nineteen-year-old attack that proves it, and what belongs in production instead.
Claude Mythos halved HAWK's effective key strength and sped up an AES attack 200-800x. What the math actually shows, and what it doesn't mean yet.
JDK 27 ships nine JEPs, but only a few actually change your code today. What's default now, what's still preview, and what to do about each one now.
Self-host OpenClaw from zero to production. Server provisioning, SSH lockdown, Docker, reverse proxy, Fail2ban, performance tuning, and full backup strategy in one guide.
Here's the complete patch-status and lockdown guide, including the systemd hardening, origin validation, env-variable command injection fix, ClawHub skill safety, and how to tell if you've already been hit.
A pull request checkout, a poisoned GitHub Actions cache, and an OIDC token pulled straight out of runner memory. That's how 84 malicious versions of TanStack's packages hit npm in six minutes.
SudoSecurity runs Teleport internally for everything — admin panel access, secure database connections, Kubernetes, and zero-trust philosophy across our entire team. This is the complete technical guide to installing, configuring, and running your own self-hosted Teleport cluster from scratch.
Microsoft is displaying escalating Secure Boot warnings starting May 13 (Windows 10) and May 16 (Windows 11). The original 2011 certificates expire in October 2026. Unpatched systems may refuse to boot. Here's the full technical picture and what to do.
CVE-2026-41940 is a CVSS 9.8 authentication bypass in cPanel/WHM affecting every version after 11.40. It was a zero-day for two months, 44,000 IPs are now scanning, ransomware has deployed, and a state-linked actor is hitting Southeast Asian government networks. Patch now.
$ ssh community@sudosecurity
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