Practical, hands-on tutorials for Linux, Termux, Kali and Android security. No copy-pasted commands: every guide is tested on real hardware — phones without root, cheap VPS boxes, fresh installs — and documented with the failures kept in. From Docker and Podman to DNS, SSH hardening and PCAP analysis, everything is written in plain language for beginners and sharp enough for pentesters. Authorized testing only, responsible disclosure always. If you've wasted hours on docs that don't work, you're home.
21 Aug 2026 4 minute read 1 comment btc_daytrader $0.04
# Your Seed Phrase Lives in node_modules On July 8 a backdoored JavaScript SDK started capturing seed phrases the moment developers generated wallets with it. Four weeks later a self-propagating worm poisoned 444 npm packages in under four hours to...
20 Aug 2026 7 minute read 1 comment btc_daytrader $0.02
A bug in Coldcard firmware 4.0.1 made seed generation fall back to a weak random source, so affected wallets were created with as little as 40 bits of entropy instead of 128. Four drain waves swept roughly 1,816 BTC from more than 5,200 addresses bet...
