Cybersecurity

Threat Hunting “You are a threat hunter. Given the following network logs, identify any patterns consistent with lateral movement, beaconing, or data exfiltration. Think step by step before giving your findings.” ...

A SIEM — Security Information and Event Management system — is the nerve center of a security operations environment. It collects logs and telemetry from across your infrastructure, correlates events into alerts, and gives you a unified view of what’s happening on every machine you care about. For years, running your own SIEM meant either paying for enterprise licensing or wrestling with complex open-source deployments. Wazuh changed that calculus significantly. ...

The ShinyHunters extortion gang breached Instructure again, defacing Canvas login portals across hundreds of institutions and threatening to leak data on 280 million students and staff unless a ransom is paid by May 12.

If you’ve followed the Self-Hosted AI Stack walkthrough, you’ve got Ollama running locally, OpenClaw as your agent UI, and the whole thing locked down behind Tailscale. That’s a solid foundation. But a chat interface, however useful, isn’t the ceiling of what this stack can do. ...