Companies owned by Quorum Cyber
Quorum Cyber owns 1 company in the directory. It is not listed in the directory itself. We have one of its acquisitions on record, with its source.
The company it owns
| Company | Category | Based in | Founded |
|---|---|---|---|
 Ontinue Ontinue provides managed detection and response services for Microsoft security customers. | Managed detection and response | Redwood City, United States |
Acquisitions by Quorum Cyber
| Date | Deal | Amount | Source |
|---|---|---|---|
| September 2026 | Quorum Cyber acquired OntinueSource for Quorum Cyber acquired Ontinue, opens in a new tab | Undisclosed | Source for Quorum Cyber acquired Ontinue, opens in a new tab |
The record covers deals from 2020 onwards. Most deals before August 2026 come from monthly M&A roundups and are dated to the month. Since August 2026 we add deals from the news as they are reported. Smaller deals may be missing. Amounts are in US dollars.