Microsoft · Israel · Pentagon · Fortune Technology
Inside the $8 billion cybersecurity acquisition that helped ServiceNow’s stock buck the ‘Saaspocalypse’ fears
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In 2007, Assaf Rappaport was 24 years old and working inside Unit 81, an elite technology division of the Israeli Defense Forces that builds hardware and surveillance tools.
Key facts
- Eventually, Insight Partners acquired Armis in 2020 for roughly $1.1 billion dollars, with $100 million from CapitalG and a rollover from several existing shareholders
- Revenue hit $3.99 billion, up 24%, and the company said its AI products had crossed $1 billion in annual contract value
- It was $5 million at an $11 million post valuation
- In 2007, Assaf Rappaport was 24 years old and working inside Unit 81, an elite technology division of the Israeli Defense Forces that builds hardware and surveillance tools
Summary
For weeks, a friend had repeatedly badgered him about a 19-year-old soldier he was serving alongside, named Yevgeny Dibrov, insisting Rappaport needed to meet him. Soon after, the two men spoke on the phone, one of them a teenager, the other already a rising figure inside Israeli military intelligence. In April 2026, ServiceNow paid $7.75 billion cash for Dibrov’s company, Armis, a platform that monitors every connected device on an enterprise network—medical equipment, industrial systems, or other “internet of things” devices—and then flags the ones that pose a security risk. It was the largest acquisition in ServiceNow’s history and the second-biggest pure startup exit in Israeli tech ever. (By coincidence, Rappaport holds the top spot with Google’s $32 billion acquisition in 2025 of Wiz, a cloud cybersecurity company.