Private equity firm Thoma Bravo on Monday said it will acquire cybersecurity firm Barracuda Networks (CUDA) in a cash deal valued at $1.6 billion.

XAutoplay: On | OffShareholders of Campbell, Calif.-based Barracuda will receive $27.55 in cash per share. Barracuda said that’s a 22.5% premium to its 10-day average stock price prior to the deal’s announcement.

Shares in other security software providers, such as Imperva (IMPV) and FireEye (FEYE), rose in early trading on the stock market today.

Barracuda provides email protection tools and has been transitioning to cloud-based security from network hardware.

Thoma Bravo in 2016 acquired Qlik Technologies, a data analytics software maker, for $3 billion.

Acquisitions by private equity companies have slowed in 2017 amid uncertainty over corporate tax reform. Thoma Bravo reportedly has kicked the tires at Impera as well as F5 Networks (FFIV), a maker of data center networking gear.