Reston, Virginia-based will be for $5.4 billion.
Mandiant, founded in 2004, has about 2,300 employees, including more than 600 consultants and more than 300 intelligence analysts responding to thousands of security breaches a year.
When the acquisition closes, the publicly-traded Mandiant will become part of Google鈥檚 cloud computing division.
Google said it expects to complete the acquisition later this year. The acquisition still needs stockholder and regulatory approvals.
Mandiant鈥檚 services include malware protection systems and network threat prevention for web, email and file security.
Mandiant had $483 million in revenue in 2021, a 21% annual increase.
鈥淭here has never been a more critical time in cybersecurity. Since our founding, Mandiant鈥檚 mission has been to combat cyber attacks and protect our customers from the latest threats,鈥� said Mandiant CEO Kevin Mandia. 鈥淭o that end, we are thrilled to be joining forces with Google Cloud.鈥�
Among Mandiant鈥檚 recent high profile cyberattack investigations is the December 2020 SolarWinds supply chain attack, the largest ever on the U.S. government.
Last year, it assisted Colonial Pipeline in responding to a ransomware attack.
The company recently created a .
