VMware Inc. /zigman2/quotes/209864107/composite VMW +9.71% has acquired security startup Intrinsic, CNBC reported late Tuesday . Terms of the deal were not announced, but it is part of VMware's expansion of its platform into the public cloud, the enterprise-software company told CNBC. It's the latest purchase in a busy summer for VMware: In June, it announced it would buy cloud-application delivery platform Avi Networks, and in July it acquired AI chip virtualization firm Bitfusion. VMware is also looking to acquire Pivotal Software, according to an SEC filing last week. VMware shares are up 5% this year, compared to the S&P 500's 16% gain.