AI agent data security firm Sentra closes $150M Series C led by Capital One Ventures

November 4: AI agent data security company Sentra announced it has completed a $150 million Series C funding round led by Capital One Ventures, with existing investors including Bessemer Venture Partners, Zeev Ventures, Standard Investments, Munich Re Ventures and Key1 Capital also participating. Capital One will appoint a representative to the board. Sentra said it grew more than 300% year-over-year over the past year, and the new funds will be used to expand its AI agent data access governance and control and data-at-rest protection capabilities, and to open up new markets. Sentra's total funding has now exceeded $250 million.