Cybersecurity M&A Roundup: 45 Deals Announced in October 2025

Forty-five cybersecurity merger and acquisition (M&A) deals were announced in October 2025.

Out of the 45 deals, roughly a quarter had publicly reported financial terms. A majority of deals were smaller, highly strategic acquisitions focusing on acquiring high-value tech or talent.

Private equity firms were active in both large-scale buyouts and consolidation plays, showing confidence in GRC and other mature platforms.

In fact, GRC companies were involved in over a dozen deals. The data shows an effort to consolidate GRC platforms, particularly through the integration of niche expertise such as third-party risk management and AI governance.

Half a dozen deals involved identity and authentication firms, with several major companies looking to add next-generation features such as passwordless authentication and identity threat detection and response into their core identity platforms.

While a majority of the target companies are based in the United States, a significant number of deals involve Australian companies ...