GreyMatter SIEM-Less
From Less-SIEM to SIEM-Less
Attacks move in minutes, and with data living everywhere — across dozens of technologies, multiple clouds, and geographies – centralizing every data point into a SIEM is no longer realistic. Data has to be indexed, parsed, and stored before a single detection can run against it. Most teams can't get every source in, so they end up with blind spots — and the ones who try watch the bill skyrocket.
GreyMatter SIEM-Less gives you the benefits of a SIEM without the tradeoffs.
Faster Detection
Multi-event correlation in transit and at the source — before data is ever indexed, parsed, or stored.
Full Visibility
Connect to every source and see it in GreyMatter without having to store it first.
Lower Cost
Keep only what you need instead of ingesting everything into one expensive repository.
Architectural Control
Your storage, your terms — plug in, unplug, and reshape the architecture as needs change.
How It Works
GreyMatter SIEM-less runs multi-event correlation detection on data in transit or at source, before it is ever indexed, parsed, or stored. Investigations and hunts are executed from GreyMatter to wherever your data sits rather than waiting for it to arrive. You store only what you need in storage you own object storage and query it on demand from one place.
Collect & Normalize
GreyMatter collects data from customer data sources through Transit and auto-normalizes all events to OCSF via the Universal Translator
Detect Before Storing
GreyMatter Transit runs single and multi-event detections before data is indexed, parsed, or stored. Additionally, Detection is done at source for all technologies not going through Transit.
Agentic Investigation & Response
All triggered alerts are autonomously investigated by the IR Agentic Teammate, which will enrich, reach a disposition, and execute response actions.
Filter, Route, Index, & Store
Data can be routed to any storage solution, and all irrelevant telemetry can be dropped. Indexing is done as data is stored in customer-owned object storage
Query, hunt & report
Data in the object storage can be queried in natural language for ad-hoc investigations, threat hunting, save searching, and reporting.
The Benefits
The power of a SIEM, without a SIEM
Run detection, investigation, response, search, and reporting from one window — with data in storage you own instead of a licensed repository.
Detect before data ever lands
Catch multi-event patterns as data moves and at the source — firing in seconds instead of waiting on ingest, parsing, and indexing.
Detect and route before the bill
Send high-volume sources through Transit for detection, then drop or store cheaply — full coverage without paying to ingest every event.
Cover what never made it in
Bring detection to sources you could never justify centralizing — OT, network telemetry, medical devices, and everything left outside the SIEM.
Proven Defense
$2–$4 Back for every $1 spent
Re-architect your security environment for speed, efficiency, and cost control—reducing SIEM ingestion costs, eliminating per-token charges, and consolidating overlapping technologies. Customers get more done with the existing teams and technologies they have saving on operational costs.
One Price, Unrestricted Use.
No per-alert, per-token, or per-investigation charges. Flat, predictable pricing means costs stay controlled as usage scales. The AI Model Broker controls AI cost at the infrastructure level, so lighter models run where sufficient and premium models are reserved for tasks that require them.
Agentic Defense for every Industry
About ReliaQuest
ReliaQuest is an agentic AI cybersecurity company whose platform, GreyMatter, serves as the Agentic Defense for the enterprise—defending organizations against AI-accelerated attacks. Any defender can harness that AI to detect threats, run investigations, execute response, and hunt across their entire tech stack in plain language without requiring any tool expertise.
GreyMatter makes this possible through three capabilities: the Universal Translator, which automatically normalizes telemetry across any vendor without data centralization; Detection at Source, at Storage, or in Transit, which catches threats where data lives or as it moves before it is ever indexed, parsed, or stored; and Agentic Orchestration, which combines a natural language operating layer, multiple autonomous agentic systems, and an AI Model Broker that continuously selects the best model for every task based on speed, cost, and accuracy.
GreyMatter enables organizations to re-architect their security environment for speed, efficiency, and cost control—and customers see 2 to 4 back for every $1 they spend. Trusted by 1,300+ enterprises, ReliaQuest has been making security possible since 2007.