Security – Page 4 – ITFROMZERO

Trapping SSH Hackers with Cowrie Honeypot: How I Caught Malware and Watched Intrusion Behavior Live

By admin April 12, 2026

Honeypots are a proactive way to trap attackers and study intrusion patterns. This article guides you through installing Cowrie on Linux to simulate SSH services, enabling you to collect malware and replay hacker sessions.

Security

CSP for Nginx & Apache: A Powerful ‘Shield’ Against XSS for Your Website

By admin April 12, 2026

Configuring Content Security Policy (CSP) is a vital step in protecting your website from XSS. Check out this detailed guide for Nginx and Apache to help your site achieve an A+ security rating.

Security

Building an Internal Certificate Authority with step-ca: Say Goodbye to LAN Security Warnings

By admin April 11, 2026

Say goodbye to red security warnings in your LAN. A detailed guide on building an internal Certificate Authority (CA) with step-ca and automating SSL via ACME.

Security

Mastering SOPS for Secret Encryption: Stop API Key Leaks on Git

By admin April 10, 2026

Stop leaking API keys on Git! Here is a detailed guide on using Mozilla SOPS to encrypt secrets in YAML/JSON files with PGP. The ultimate security solution for Devs and DevOps.

Security

Stopping Brute-force: Deploying Authelia as SSO and 2FA for Web Systems

By admin April 6, 2026

Secure your self-hosted web systems with Authelia. A detailed guide on setting up Single Sign-On (SSO) and 2FA to effectively stop brute-force attacks.

Security

REST API Security: Don’t Let Your System Crash Due to Basic Mistakes

By admin April 6, 2026

Don't let your API be a gateway for hackers. Learn how to properly implement JWT, RBAC, and Data Validation to protect your entire system.

Security

Mastering SELinux Custom Policies: Don’t Disable Security Just Because of ‘Permission Denied’

By admin April 5, 2026

Don't disable SELinux just because of a Permission Denied error. Learn how to create Custom Policies to protect Linux servers using the Principle of Least Privilege.

Security

Nginx Limit Request: A Shield Against ‘Guerrilla’ DDoS and Effective Traffic Throttling

By admin April 1, 2026

Nginx Limit Request is an effective weapon against Layer 7 DDoS and spam bots. This guide covers detailed configurations for burst and nodelay, plus real-world traffic management tips.

Security

Runtime Security for Kubernetes with Falco: Real-time Anomaly Detection

By admin March 28, 2026

Runtime security is key to protecting Kubernetes from threats hidden deep within containers. Falco, a powerful anomaly detection tool, helps you monitor and alert in real-time. This article guides you through installation, custom rule configuration, and practical tips to make Falco a robust shield for your cluster.

Security

How to Install and Use OpenVAS (Greenbone) for Linux Server Vulnerability Scanning

By admin March 28, 2026

Protecting Linux servers from attacks requires regular vulnerability scanning. This article will guide you step-by-step through installing and using OpenVAS (Greenbone Vulnerability Management), a powerful tool, to proactively detect and remediate weaknesses in your system.