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LFour is the first eXtended Forensic Response™ platform — combining agentless triage, automated timeline generation, and a forensic-native investigation console. Built around how real incident response actually works.
DFIR is broken. We're fixing it.
DFIR tech today is fragmented — a collection of tools, not unified platforms. They're slow, siloed, and built for specialists, not scale. Analysts waste hours battling clunky UIs, complex CLIs, and bloated timelines.
LFour is different.
LFour features.
LFour Collector
A fast, lightweight agent that collects forensic data across endpoints, servers, and cloud systems. Designed for quick deployment and minimal system impact, it captures the evidence you need without disrupting operations.
LFour Pipeline
Processes and normalizes raw data in real time. From logs to memory artifacts, the pipeline structures and enriches your data so your team can analyze and act without delay.
LFour SIEM
A powerful search and detection engine that helps you find threats fast. With instant indexing and smart correlation, it surfaces anomalies and alerts your team before issues escalate.
Alfie - The Agentic Analyst
Your AI-powered teammate for incident response. Alfie answers questions, explains alerts, and guides your next steps with context-aware recommendations and instant insights.