M12 contributed to a series E round that hiked the cloud security software provider's overall funding to $265m and pushed its valuation past $1bn.

US-based cloud security software developer Aqua Security closed a $135m series E round on Wednesday that included software producer Microsoft’s corporate venturing unit, M12, valuing it above $1bn.

Technology investment firm Ion Crossover Partners led the round, which featured all the company’s existing investors, including Lightspeed Venture Partners, Insight Partners, TLV Partners, Greenspring Associates and Acrew Capital.

Aqua’s software enables large businesses to secure extensive cloud operations, preventing and detecting cyberattacks and automating responses. It will use the series E…

Robert Lavine

Robert Lavine is special features editor for Global Venturing.