Ontinue.
Follow OntinueOntinue provides AI-powered managed extended detection and response (MXDR) services for Microsoft security environments, serving more than 250 enterprise, NGO and institutional customers across Europe and the US. It began as the managed detection and response business of Open Systems and was carved out as a standalone company in 2023 under EQT. Quorum Cyber agreed to acquire it in September 2026.[1][2]
Deals on Carrywatch
Every deal that names Ontinue, and its role in each.
Quorum Cyber / Ontinue
Quorum Cyber agreed to buy Ontinue from EQT Mid Market Europe, the companies announced Sept. 16, 2026.
See deal detailsDeal Web
Ontinue and 2 firms it shares a posted deal with, and the path to any other firm.
News
Loading headlines.
Sources
As of 26 Sep 2026.
- 01Quorum Cyber Announces Intent to Acquire Ontinue, Building an Unrivaled Microsoft-First Agentic SOC for the Autonomous Threat Era
Quorum Cyber (press release) · 16 Sep 2026 · Researched 26 Sep 2026
- 02EQT to sell Ontinue, a provider of AI-powered Managed Extended Detection & Response cybersecurity services
EQT (press release) · 16 Sep 2026 · Researched 26 Sep 2026
Deal posts naming Ontinue:
- P01Post on X: Quorum Cyber / Ontinue
17 Sep 2026