Microsoft likely to buy cybersecurity firm RiskIQ, pay more than $500 mn

RiskIQ's customers include Facebook Inc, BMW AG, American Express Co and the US Postal Service

Microsoft Corp. has agreed to acquire RiskIQ, a security software maker, as the tech giant tries to expand its products and better protect customers amid a rising tide of global cyberattacks, according to people familiar with the matter.

The deal will be announced as soon as the next few days, said the people, who asked not to be identified speaking about an acquisition that isn’t yet public. Microsoft will pay more than $500 million in cash for the company, one of the people said.

San Francisco-based RiskIQ makes cloud software for detecting  security threats, helping clients understand where and how