Proofpoint will purchase fellow cybersecurity software provider Cloudmark in a $110m cash deal that will allow Nokia and Sumitomo to exit.

Enterprise security software provider Proofpoint has agreed to acquire US-based cybersecurity technology developer Cloudmark for $110m, enabling communications technology provider Nokia and trading group Sumitomo to exit.

The all-cash deal is expected to close in the fourth quarter of 2017, pending regulatory approval. Upon completion, Proofpoint will integrate Cloudmark’s threat telemetry and intelligence data into its Nexus platform, which powers its product portfolio.

Founded in 2001, Cloudmark provides messaging security software to protect communications service provider networks and their subscribers…