Linux Forensics & Incident Response
Expert digital forensics and DFIR consulting for Linux servers, workstations, and infrastructure. From live response and memory acquisition to deep disk analysis and malware reverse engineering — we help organizations understand breaches, preserve evidence, and strengthen defenses.
Get Linux Forensics HelpOur Linux Forensics & DFIR Services
Zwiegnet provides specialized Linux forensics and incident response services for enterprise environments running AlmaLinux, RHEL, Rocky Linux, Ubuntu, Debian, and other distributions. We maintain strict chain-of-custody protocols and deliver defensible, court-admissible findings.
Our Linux forensics services include:
- Live Response & Volatile Data Collection – Rapid acquisition of memory, running processes, network connections, and system artifacts using tools like AVML, LiME, and custom scripts while minimizing system impact.
- Disk Imaging & Forensic Acquisition – Bit-for-bit imaging of Linux file systems (ext4, XFS, Btrfs, etc.) with tools like dc3dd, dd, and Guymager; remote and on-site collections.
- Memory Forensics – Analysis with Volatility 3, Rekall, and custom profiles to detect rootkits, injected code, and attacker activity in RAM.
- File System & Artifact Analysis – Examination of bash history, syslog/journald, auth logs, sudoers, cron jobs, tmp files, deleted data, and Linux-specific artifacts using The Sleuth Kit, Autopsy, and command-line tools.
- Malware Analysis & Reverse Engineering – Static and dynamic analysis of Linux malware, rootkits, and persistence mechanisms on isolated analysis systems.
- Incident Response Retainer & Investigation – 24/7 rapid response, root cause analysis, timeline reconstruction, and remediation guidance for compromised Linux infrastructure.
- Log Analysis & Correlation – Deep dives into system, application, and kernel logs; integration with SIEM tools for comprehensive attack reconstruction.
- Expert Reporting & Testimony – Clear, defensible reports suitable for internal review, regulatory bodies, or legal proceedings; expert witness support when required.
- Forensic Readiness & Hardening – Help organizations implement logging policies, immutable logs, and monitoring to improve future investigation capabilities.
Ideal for: enterprises, financial institutions, healthcare providers, government contractors, MSPs, and legal teams requiring thorough Linux system investigations.
Located in Watertown, Wisconsin (between Madison and Milwaukee) since 2009 — trusted Linux specialists with deep enterprise experience.