Quorum Cyber Has Agreed to Acquire Ontinue
The cybersecurity firms will combine resources to boost AI-driven security operations and geographic reach.
Updated on Sept. 29, 2026 in Cybersecurity

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Quorum Cyber has announced an agreement to acquire fellow Microsoft-focused cybersecurity provider Ontinue. Eterna Growth Partners will maintain its position as the majority investor in the newly combined organization.
Why it matters
The merger aims to integrate advanced AI tools into security operations, enabling providers to manage escalating cyber threat alert volumes at machine speed. It also facilitates a significant expansion of operations across North America, the UK, and the DACH region.
Quorum Cyber was named Microsoft Security MSSP of the Year for 2025, while Ontinue holds a five-time Microsoft Gold Partner status. The integration will combine Quorum Cyber's professional services with Ontinue's managed extended detection and response capabilities.
The players
Quorum Cyber
Founded in Edinburgh, this company is a specialized cybersecurity provider recognized as a top Microsoft security partner.
Ontinue
This provider specializes in managed extended detection and response services for organizations utilizing Microsoft ecosystems.
Eterna Growth Partners
This private investment firm serves as the majority shareholder and backer for Quorum Cyber.
The details
The transaction will allow both companies to leverage a unified platform to better serve their clients across international markets. Until the deal formally closes, both entities will continue to function as independent businesses.
Timeline
Quorum Cyber earned the Microsoft Security MSSP of the Year award in 2025.
The acquisition agreement was announced on September 29, 2026.
The Tech Race
This move reflects the ongoing industry consolidation aimed at automating security operations through AI tools. It positions the combined entity to better compete against larger players in the crowded managed security services market.
Clients of both firms may eventually benefit from a broader set of integrated security features and more robust international support capabilities. Current service agreements remain in place as the companies operate independently until the acquisition is finalized.
The takeaway
Consolidation in the security sector often points toward a future where human analysts are increasingly supported by AI to handle vast amounts of incoming data. Organizations should prioritize assessing how these platform mergers impact their specific security service contracts and support continuity.
Further reading
For more on the latest trends in the security sector, visit Cybersecurity.
Source note: This article includes information reported by ChannelLife Australia.
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