DFIR-IRIS is described as 'IRIS is a collaborative platform for incident response analysts that helps to share investigations at a technical level. It's a web application that can be installed on a fixed server or on a laptop for roaming investigations where internet might not be available' and is an app. There are 1 alternatives to DFIR-IRIS for Linux, Self-Hosted and SaaS. The best DFIR-IRIS alternative is TheHive. It's not free, so if you're looking for a free alternative, you could try TheHive.
TheHive is a scalable 3-in-1 Security Incident Response Platform designed to make life easier for SOCs, CSIRTs, CERTs and any information security practitioner dealing with security incidents that need to be investigated and acted upon swiftly.
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