The Series D round of funding was led by Blackstone Tactical Opportunities and Insight Venture Partners, along with existing investors unnamed which but previous backers include strategics like Capital One, Dell Ventures, DFJ, Fairhaven, Khosla, KKR and Ten Eleven .

The company is already working with over 1,000 companies and millions of endpoints, with clients including government agencies and large businesses, and says that its billings have grown over 1,000 percent since first being launched in 2012, and customer numbers 785 percent in that period, making it one of the fastest-growing among all security startups.

We re enthusiastic about supporting the terrific management team at Cylance, a company well-positioned for growth with a strong foundation in the cyber-security space, he said in a statement.

Cylance tells me that this latest round will be used to ramp up its sales and marketing globally, with target customers running the gamut from the largest financial institutions to the smallest dental office in Malaysia.

In fact, right now Cylance is mainly working companies in the former of these two categories but will soon be launching more tools and pricing for SMBs, which was always the bigger ambition, said McClure.

Our goal of reinventing endpoint security by using machine learning to think like a cyber hacker has been achieved and we now must ensure that it is put in the hands of security leaders inside enterprises, organizations, governments and small businesses as quickly as possible.

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