Articles by tag: linux-security

Window protection from screenshots: Windows, macOS, Linux

How Netflix and other apps hide content from screen capture. Analysis of API SetWindowDisplayAffinity, ScreenCaptureKit and Linux features. Learn where protection works and where it's broken.

Little Snitch Linux: eBPF traffic monitoring

Breakdown of Little Snitch for Linux: eBPF firewall with process-aware blocking, web interface and blocklists. Learn the architecture, trade-offs and production setup. Ideal for DevOps and security.

NFS Linux Vulnerability: 23 Years Until Discovery by Claude

Claude Code found heap overflow in Linux NFS driver since 2003. Script for kernel code audit. LLM progress in bug hunting. Learn details and methodology for your projects.

eBPF rootkit in Linux: DB leak via contractor

Breakdown of a real eBPF rootkit case: symptoms, detection with bpftool, attack chain via contractor. Protection measures for Linux servers: 2FA, bpf() audit, Falco. Learn how to prevent PII exfiltration.