The ex-Meta VP behind a notorious spy tool just raised $180M for AI security
The founder now asking enterprises to trust AI with their laptops once built one of Silicon Valley’s most notorious surveillance tools. Roi Tiger co-created Onavo, the app Meta turned into a scheme to spy on its rivals. His new company, Glow, wants to do something close to the opposite.
Glow has emerged from stealth with $180m in funding at a $1.2bn valuation. Sequoia, Cyberstarts, Greenoaks and Redpoint Ventures led the round, with Index Ventures, Lux Capital and others joining. Founded in 2025 and split between Tel Aviv and Palo Alto, the startup already employs close to 100 people.
Prevention over detection
Its pitch inverts how most security works. Today’s tools mostly spot threats and respond after the fact. Glow wants to prevent them, using AI agents that map everything running on a device, judge the risk, and block unapproved software before it lands.
“Prevention was always the right answer in...
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