NetWitness Cybersecurity vs ReliaQuest GreyMatter: Side-by-Side Comparison (2026)

NetWitness Cybersecurity

Mid-market and enterprise security teams that need forensic-grade visibility into what actually happened during a breach will find NetWitness Cybersecurity's full-packet capture and behavioral analytics particularly valuable. The platform's strength in incident analysis and reconstruction, paired with real-time detection across network, endpoint, and log data, directly addresses NIST DE.CM and RS.AN coverage that most XDR platforms half-ship. Skip this if you're looking for a platform that excels equally at both detection and automated response; NetWitness prioritizes investigation depth over orchestration breadth, which means your SOC still carries the weight on playbook execution.

ReliaQuest GreyMatter

Security teams drowning in alert volume will find real relief in ReliaQuest GreyMatter's autonomous investigation engine, which closes the gap between detection and response by handling triage and containment without human intervention. The platform's ability to execute response actions within five minutes and adapt workflows to emerging risks reflects genuine strength across NIST RS.MA and RS.AN, where most EDR tools still require manual orchestration. This is less ideal for organizations where compliance auditors demand human sign-off on every containment decision, since GreyMatter prioritizes speed over approval chains.