The company says its platform repairs security flaws the way an engineer would, and customers report cutting triage time by up to 80%.
Pi, an AI security startup, announced it raised $35 million to automate the repair of software security flaws. Calcalist reports the total includes a $25 million Series A led by Third Point Ventures and a $10 million seed round closed in early 2025, led by Brightmind Partners. Investors also include CrowdStrike CEO George Kurtz and Armis founders Yevgeny Dibrov and Nadir Izrael.
Pi’s platform builds what the company calls a “security brain”: a memory of an organization’s source code, cloud infrastructure, design documents, Slack and Microsoft Teams discussions, and past security incidents, including how each one was fixed. The company says that context lets the platform separate flaws that pose real risk from false alarms, then write and apply fixes the way an engineer would. Pi says customers cut the time of sorting real warnings from false alarms by up to 80%.
The company says its users include one of the world’s leading AI labs, cybersecurity companies, a major social network, and companies in the travel and insurance sectors. It did not name them.
Pi was founded in 2025 by CEO Guy Arazi and Chief Product Officer Yoni Ramon. Arazi was a security researcher at Microsoft, where he built defenses and vulnerability detection for Microsoft Defender, Azure, and the Microsoft Security Response Center. Ramon led offensive security at Tesla for more than a decade, running security projects for the company’s vehicle and robotics programs in the US, Europe, and China. He also worked in systems engineering at SpaceX and on projects at other companies led by Elon Musk, including the acquisition of Twitter (now X).
“Models like Anthropic’s Claude-Mythos can now uncover security flaws at a scale no human team can match, but that’s only half the equation for defenders,” said Arazi. “Pi enables organizations to remediate vulnerabilities as quickly as they can be identified.”
Pi has offices in San Francisco and Tel Aviv.
