VPS security and hardening
Securing virtual private servers against exploits and unauthorized access using network isolation and web application firewalls. Every AI Founder Weekly story on VPS security and hardening, newest first. 3 stories since October 2026.
- levelsio took all his sites offline to wait out a PHP patch
He told anyone running PHP to do the same, and said Ubuntu's backported fix arrived fast.
- levelsio spent a day running Claude Code security audits
He wants one week a month set aside for security the way some founders set aside a week for marketing.
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- levelsio reposts his VPS lockdown as hacks spread
SSH keys are not the point, he says, because the attack is coming through your app as often as your server.
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