Armis nabs $65M Series C as IoT security biz grows in leaps and bounds

Armis is helping companies protect IoT devices on the network without using an agent, and it’s apparently a problem that is resonating with the market, as the startup reports 700 percent growth in the last year. That caught the attention of investors, who awarded them with a $65 million Series C investment to help keep accelerating that growth.

Sequoia Capital led the round with help from new investors Insight Venture Partners and Intermountain Ventures. Returning investors Bain Capital Ventures, Red Dot Capital Partners and Tenaya Capital also participated. Today’s investment brings the total raised to $112 million, according to the company.

The company is solving a hard problem around device management on a network. If you have devices where you cannot apply an agent to track them, how do you manage them? Nadir Izrael, company co-founder and CTO, says you have to do it very carefully because even scanning for ports could be too much for older devices and they could shut down. Instead, he says that Armis takes a passive approach to security, watching and learning and understanding what normal device behavior looks like — a kind of behavioral fingerprinting.

“We observe what devices do on the network. We look at their behavior, and we figure out from that everything we need to know,” Izreal told TechCrunch. He adds, “Armis in a nutshell is a giant device behavior crowdsourcing engine. Basically, every client of Armis is constantly learning how devices behave. And those statistical models, those machine learning models, they get merged into master models.”

Whatever they are doing, they seem to have hit upon a security pain point. They announced a $30 million Series B almost exactly a year ago, and they went back for more because they were growing quickly and needed the capital to hire people to keep up.

That kind of growth is a challenge for any startup. The company expects to double its 125 person work force before the end of the year, but the company is working to put systems in place to incorporate those new people and service all of those new customers.

The company plans to hire more people in sales and marketing, of course, but they will concentrate on customer support and building out partnership programs to get some help from systems integrators, ISVs and MSPs, who can do some of the customer hand-holding for them.