cybersecurity Archives - Page 2 of 6

Networking tutorial - IT technology blog

Hardening the Wire: A Practical Guide to Linux MACsec (IEEE 802.1AE)

August 24, 2026

Secure your Linux network at Layer 2. This guide shows you how to configure IEEE 802.1AE (MACsec) to encrypt server-to-server traffic and protect against sniffing and spoofing.

Security

Hardening /dev/shm: Stop Malware from Hiding in Your Server’s RAM

August 2, 2026

Is your /dev/shm directory a security hole? Learn how to use mount flags like noexec and nosuid to prevent attackers from running malware directly from your server's RAM.

Security

Auditing Linux Kernel Security: A Guide to linux-exploit-suggester

August 2, 2026

Discover how to use linux-exploit-suggester to identify critical Linux kernel vulnerabilities and prevent local privilege escalation attacks.

Networking

Ditch the VPN: Building an Identity-Aware Proxy with Pomerium

July 28, 2026

Tired of slow VPNs? This guide shows you how to set up Pomerium, a modern Identity-Aware Proxy, to secure your internal tools with Zero Trust logic using Docker and GitHub.

Networking

Bypassing DPI: How to Tunnel WireGuard over WebSockets with WSTunnel

July 27, 2026

Bypass UDP blocking and DPI by tunneling WireGuard through WebSockets. This guide provides a step-by-step setup using WSTunnel to keep your VPN connected in restricted networks.

Networking

Python Network Traffic Analysis with PyShark: Automated Anomaly Detection and Reporting

July 19, 2026

PyShark lets you capture and analyze network packets programmatically in Python — aggregating connection counts, detecting anomalies, and generating traffic reports automatically. This tutorial walks through building a real traffic analyzer, from live capture to post-incident pcap analysis, that replaces manual Wireshark filtering during production incidents.

Security

Building a Snort 3 NIDS on Ubuntu: A Practical Guide to Traffic Analysis

July 18, 2026

Take control of your network security by deploying Snort 3 on Ubuntu. This guide walks you through compiling from source, Lua-based configuration, and writing rules to stop attackers.

Security

Killing XXE and SSTI: A Field Guide to Hardening Web Apps

July 5, 2026

A technical deep-dive into patching XXE and SSTI vulnerabilities. Learn from a real-world incident response scenario to secure your XML parsers and template engines.

Security

Catching Hackers in the Act: Deploying T-Pot Multi-Protocol Honeypots on Linux

May 29, 2026

Stop defending your network in the dark. This guide shows you how to deploy T-Pot, a powerful multi-protocol honeypot, to capture and visualize real-world attacks in real-time.

Security

Deploying GoPhish for Internal Phishing Simulations: Build a Security Awareness Program That Actually Works

May 28, 2026

Learn how to deploy GoPhish on a Linux VPS to run realistic internal phishing simulations, measure employee click rates, and build a targeted security awareness training program backed by real data.