Sequoia doubles down on Cymphony as AI agents create new enterprise security risks

Sequoia Capital has invested $30 million in Cymphony, a startup focused on securing enterprise environments against risks posed by AI agents. Cymphony provides a 'workforce graph' to help security teams track access and identity for both human employees and non-human AI entities.
Why it matters
As AI agents gain autonomous access to sensitive corporate data, traditional security models are becoming obsolete, creating a new market for AI-specific identity management.
As AI agents gain access to the same sensitive corporate data and systems as human workers while operating at machine speed, enterprises are prone to new security risks. Storied venture firm Sequoia Capital is betting big on that shift, backing startup Cymphony as it emerges with $30 million in funding to help companies keep their growing AI workforce in check.
The funding includes a $25 million Series A co-led by Sequoia and SMBC Fin Atlas Beyond Fund, valuing the New York- and Tel Aviv-based startup at more than $100 million after investment. The round follows a previously undisclosed seed investment from Sequoia.
AI agents do not necessarily go through the same access and identity controls as employees, but they have access to multiple systems and handle large amounts of corporate data. This makes it hard for enterprises to track who has access to what.
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