🎓 Path to a free self-taught education in Computer Science!

The OpenTF Manifesto expresses concern over HashiCorp's switch of the Terraform license from open-source to the Business Source License (BSL) and calls for the tool's return to a truly open-source …

Writing an OS in Rust

A list of public penetration test reports published by several consulting firms and academic security groups.

Metasploitable3 is a VM that is built from the ground up with a large amount of security vulnerabilities.

Everything needed for doing CTFs

Cheat sheets to help you in daily hands-on tasks of trouble shooting, configuration, and diagnostics with Fortinet, HP/Aruba, Cisco, Checkpoint and others' gear.