security Archives - Page 2 of 9

Docker Multi-stage Build and Distroless Images: Shrink Your Container to Just a Few MB

May 25, 2026

Learn how to use Docker multi-stage builds and distroless base images to shrink your container from 1 GB down to just a few MB — with real Dockerfile examples for Go, Node.js, Python, and Java. Includes security hardening tips and CVE reduction techniques for production deployments.

Linux

Locking Down SFTP: A Field Guide to Chroot Jails on Linux

May 24, 2026

Isolate SFTP users and prevent lateral movement. This production-ready guide walks you through OpenSSH Chroot Jails, strict permission mapping, and monitoring strategies.

Security

Stop SSRF in Its Tracks: A Hardened Guide to API & Web Security

May 24, 2026

Is your server secretly attacking your internal network? Learn how to prevent SSRF vulnerabilities using Python IP validation, AWS IMDSv2, and network-level egress filtering.

Security

Hardening Redis for Production: A Practical Guide to ACLs, TLS, and Isolation

May 23, 2026

Redis is fast, but its default settings are a security risk. Learn how to implement ACLs, TLS, and network isolation to protect your production data.

Security

Defending Active Directory: Real-World Tactics Against PtH, Kerberoasting, and Golden Ticket Attacks

May 19, 2026

Secure your Active Directory against modern credential theft. A hands-on guide to using BloodHound for auditing, GPO hardening for PtH, and Sysmon for Kerberoasting detection.

DevOps

Secure Docker Image Builds in Kubernetes: Moving from DinD to Kaniko

May 18, 2026

Privileged containers are a major security risk in Kubernetes. Learn how to migrate your CI/CD pipeline to Kaniko for secure, daemon-less Docker image builds.

Networking

Wireless Surveillance: What 6 Months of Hunting Rogue APs with Kismet Taught Me

May 18, 2026

I spent 6 months using Kismet to monitor rogue wireless signals. Here's a practical guide on setting up a Linux WIDS to detect Evil Twins and unauthorized hardware.

Security

Manual Web Forensics: Hunting SQLi and Web Shells via CLI Logs

May 17, 2026

Master manual web forensics using Linux CLI tools like grep and awk to detect SQL injection and hidden web shells in your server logs during an incident.

Linux

SSH ProxyJump and Bastion Hosts: A Practical Guide to Secure Linux Access

May 15, 2026

Master SSH ProxyJump to securely manage private Linux servers. This guide provides a setup walkthrough, configuration tips, and security best practices for Bastion Hosts.

DevOps

Stop Chasing Vulnerabilities: Mastering Automated Dependency Management with Renovate Bot

May 15, 2026

Is your dependency file a ticking time bomb? Learn how to implement Renovate Bot to automate library updates, reduce PR noise, and secure your CI/CD pipeline.