ReliaQuest exists to Make Security Possible. GreyMatter provides agentic defense that allows security teams to detect threats at the source, contain, investigate, and respond in minutes, eliminating Tier 1 and Tier 2 security operations work.
Our summarySecurity operations company. Its GreyMatter platform uses AI agents and automation to detect, investigate and contain threats across the security tools a customer already runs.
“Meet the GreyMatter Agentic Teammates: role-based AI personas developed using 15+ years of security expertise that enable your security team to grow instantly, infinitely, and intelligently.”
Agentic security operations platform that triages, investigates and responds to alerts across existing SIEM, EDR and cloud tools, with role-based AI teammates.
Product page“GreyMatter DRP identifies threats in real time across the open, deep, and dark web, then arms your team to respond in minutes with our Agentic AI SecOps Platform, GreyMatter.”
Watches the open, deep and dark web for threats aimed at an organisation and alerts its security team in real time.
Product page“Detect threats in motion with GreyMatter Transit. Identify threats in real-time, normalize telemetry, and route data efficiently, reducing lag and storage costs.”
Security data pipeline that normalises and routes telemetry and detects threats while the data is in motion, to cut lag and storage costs.
Product pageIndependent tests, peer reviews and articles about ReliaQuest. We link to them; we did not write or commission them, and nobody pays to appear here.
Stories in our coverage based on what researchers at ReliaQuest found or reported: 21 in total.
Cl0p ransomware group names over 40 victims of a campaign exploiting PTC Windchill vulnerability.
Clop ransomware uses custom web shell to steal credentials from PTC Windchill servers.
Hijacked hotel Wi-Fi delivers surveillance malware via fake updates.
Hackers compromise hotel Wi-Fi gateways to redirect travelers to fake Microsoft 365 login pages and steal credentials.
Threat actor hacks public Wi-Fi gateways to steal Microsoft 365 credentials from traveling corporate employees.
Clop ransomware gang targets Windchill and FlexPLM via CVE-2026-12569 for data theft.
Two phishing kits, Jalisco and OmegaLord, target Microsoft 365 accounts with MFA-bypass techniques.
New Helix group uses vishing and MFA abuse to steal SharePoint data for extortion.
Icarus extortion group stole Salesforce customer data via compromised Klue integration.
OP-512, China-linked threat cluster, deploys custom web shell framework on Microsoft IIS servers for espionage.
Stories where a ReliaQuest product had a vulnerability or was attacked, or ReliaQuest itself was: 3 in total. Useful if you run its products.
Weekly threats report: IoT botnet, water system targeting, SharePoint RCE, and phishing frameworks.
ReliaQuest confirms ShinyHunters phishing attack targeting employee credentials.
ReliaQuest confirms ShinyHunters attempted data theft via social engineering.
| Type | Indicator | Story |
|---|---|---|
| malware | Octagon | ThreatsDay: 296K IoT Botnet, 100+ Water Systems Targeted, SharePoint RCE Chain + 27 New Stories |
| domain | company.claims | ReliaQuest Confirms ShinyHunters Hack, but Says Impact Was Limited |
| domain | reliaquest.claims | ReliaQuest confirms failed data-theft attack after ShinyHunters breach |
| malware | ShinyHunters | ReliaQuest confirms failed data-theft attack after ShinyHunters breach |
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