Blue Team toolkit: 6 open-source tools to assess and enhance corporate defenses

This article explains red, blue, and purple team roles in cybersecurity exercises and focuses on the blue team’s use of open-source tools to detect, analyze, and respond to threats. It briefly introduces network analysis (Arkime, Snort), incident response and case management (TheHive, GRR Rapid Response), threat hunting and analytics (HELK), and memory forensics (Volatility), emphasizing how these capabilities help organizations assess preparedness, improve collaboration, and strengthen incident response and overall security posture.