A curated, searchable index of hands-on CTF labs covering Linux fundamentals, file system forensics, privilege escalation to root, secure shell scripting, network troubleshooting, firewall policies, ...

Unknown criminals are exploiting a maximum-severity vulnerability in Node-RED, a flow-based programming tool that is widely used in critical infrastructure, to deploy a flow that downloads and runs a ...

The IPFire project has released fireperf, an open-source measurement tool that opens connections at a fixed rate and reports what the device in the middle did with each one. It is free software aimed ...

Linus Torvalds isn't fighting AI-generated code, but he wants developers to get it right.

Linux 7.4 performance enhancements include a massive 265x speed boost for FAT32 pre-allocation. Read about the new ...

Enterprise AI infrastructure spending is surging as analysts warn network automation, infrastructure maturity, and skills aren’t keeping pace.

This recovery USB can fix even a non-booting Windows PC ...

Ubuntu had not shipped a patched kernel for CVE-2026-98432 by Monday afternoon. The flaw can let a remote attacker run code on a server, and AWS and Red Hat say the workarounds available until a fix ...

I always recommend a desktop VPN client but I was curious to see how well browser-based VPNs perform these days. The results surprised me.

Amid declining trust in news and the spread of AI-generated search summaries, Jae Kwon advocates decentralized, open-source infrastructure and cryptographic verification as tools for improving digital ...

An engineering solution for creating a hardware-isolated network sandbox (network namespace) in Linux. All L3 traffic within the isolated space is forcibly intercepted by a virtual tunnel interface ...

TeamViewer is the tool a relative or an IT contractor opens to fix someone else’s computer, and a newly patched flaw turns that relationship upside down. If the person on the far end of a session is ...