Incident Response – ITFROMZERO

Ransomware Defense on Linux Servers: Proactive Protection, Early Detection, and Data Recovery

By admin June 17, 2026

A practical guide to Linux server ransomware defense using a defense-in-depth model: SSH hardening, abnormal encryption detection scripts, offline backups with BorgBackup, and an incident response plan for when things go wrong. Aimed at sysadmins and DevOps teams managing production servers.

Security

Hunting Rootkits on Linux with Volatility: Real-world Memory Forensics Techniques

By admin June 14, 2026

Learn how to use Volatility Framework for Linux memory forensics. This guide covers detecting rootkits, hidden processes, and RAM-resident malware that standard tools miss.

Security

Building an Incident Response Process for Linux Servers: Investigation, Containment, and Recovery After an Attack

By admin June 13, 2026

A practical guide to building a Linux Server Incident Response process using the PICERL model: from confirming an incident and emergency network isolation, to collecting evidence, eradication, and safely restoring the system. Includes real commands drawn from hands-on production incident experience.

Security

Mastering Velociraptor: The ‘Eye’ for Incident Response (DFIR) Across Hundreds of Linux Servers

By admin May 30, 2026

Don't let security incidents cause panic. This Velociraptor installation guide helps you investigate and collect digital evidence (DFIR) across numerous Linux servers instantly using VQL.