US cybersecurity firm CrowdStrike has reportedly raised $100m in a funding round led by Google Capital.

Citing sources close to the transaction, Reuters reported that CrowdStrike’s valuation was approaching $1bn.

CrowdStrike, which had earlier raised $56m from three other investors, was founded in 2011 by Dmitri Alperovitch and George Kurtz.

The company plans to use some of the money to expand its operations in Europe, Asia and the Middle East.

CrowdStrike’s customers include some of the companies in technology, telecommunications, retail, energy, oil & gas, as well as the US Government.

Google Capital is the late-stage growth capital fund financed by Google. Its investment in CrowdStrike marks its entry into security.

Rackspace Hosting and CrowdStrike’s previous investors Accel and Warburg Pincus have also participated in Series C round.

Google will advise CrowdStrike on several issues including growth and mobile devices running its Android software.

The experience of Google with Linux will also help CrowdStrike in protecting network-connected devices.

CrowdStrike provides next-generation endpoint protection, threat intelligence, and pre and post incident response services.

The company has recently secured a new patent from the US Patent & Trademark Office for the core functionality of CrowdStrike Falcon endpoint security sensor.