cybersecurity Archives

Deploy Wazuh SIEM & XDR on Docker: Complete HomeLab Security Monitoring

October 18, 2026

Deploy a complete Wazuh SIEM & XDR stack in your homelab using Docker Compose. Step-by-step instructions cover Linux kernel tuning, mTLS certificate generation, container orchestration, and client agent enrollment.

HomeLab

Securing Your HomeLab with CrowdSec on Docker: Collaborative Intrusion Prevention

October 2, 2026

Secure your self-hosted services by running CrowdSec in Docker. This step-by-step guide shows how to parse proxy logs, connect community threat feeds, and block attackers at the host firewall level.

Networking

Detect and Prevent ARP Spoofing with Arpwatch and Dynamic ARP Inspection

October 2, 2026

Secure your internal Layer 2 network against ARP poisoning attacks. This tutorial covers passive monitoring with Arpwatch on Linux and active mitigation using Dynamic ARP Inspection and DHCP Snooping on managed switches.

Security

Beyond the Wildcard: Stop CORS Misconfigurations from Leaking User Data

September 11, 2026

CORS misconfigurations are a primary vector for session theft. Learn how to move from dangerous 'Allow-All' setups to a secure, allowlist-based implementation for production APIs.

Security

Beyond the Firewall: Stopping Mass Assignment and IDOR in Modern APIs

September 11, 2026

API security isn't just about encryption. Learn how to defend against Mass Assignment and IDOR attacks using Object-Level Access Control and strict data validation.

Security

Configuring S3 Object Lock and Immutable Backups on Linux: A Ransomware-Proof Strategy

September 7, 2026

Is your backup server a sitting duck? Discover how to use S3 Object Lock and Rclone on Linux to create a ransomware-proof backup strategy that even admins can't delete.

Security

Beyond the Perimeter: Defeating Insecure Deserialization in Java, PHP, and Python

August 26, 2026

Insecure deserialization is a silent killer in modern web apps. Explore how gadget chains lead to RCE in Java, PHP, and Python, and learn production-grade strategies to secure your data.

Security

HTTP Request Smuggling: Breaking the Chain Between Proxies and Backends

August 26, 2026

Discover how HTTP Request Smuggling exploits discrepancies between proxies and backends. Learn to identify CL.TE and TE.CL vulnerabilities and how to secure your stack using HTTP/2 and hardened proxy configurations.

Security

Subdomain Takeover: How to Find and Fix Dangling DNS Before Hackers Do

August 25, 2026

Subdomain takeovers are a silent but high-impact threat. This guide walks you through using Subfinder and Nuclei to build an automated system that detects and fixes dangling DNS records.

Security

Hunting Lateral Movement: Practical Detection with osquery, Zeek, and Sigma

August 25, 2026

Lateral movement is how hackers turn a single compromised laptop into a full-scale data breach. Learn to use osquery, Zeek, and Sigma to detect and stop them.