Adaptive Security is a New York City company that operates an AI deepfake and phishing simulation platform designed to strengthen organizational human defenses against social-engineering attacks[1]. The company was founded in 2024[2] by Brian Long and Andrew Jones[1]. Its platform enables organizations to test and improve employee resilience to social engineering threats through simulated attacks[1].
Funding
- Series B, $81M
with Abstract, Andreessen Horowitz, Bain Capital Ventures, Capital One Ventures, Citi Ventures, NVentures, OpenAI Startup Fund
Funding history
- On 2 April 2025 the company announced a 43 million dollar round led by Andreessen Horowitz and the OpenAI Startup Fund, with Abstract Ventures, Eniac Ventures, CrossBeam Ventures and K5 also participating.[6]
- On 16 December 2025 the company announced an 81 million dollar Series B led by Bain Capital Ventures with NVentures, the OpenAI Startup Fund, Andreessen Horowitz, Abstract Ventures, Capital One Ventures and Citi Ventures participating, bringing total funding to 146.5 million dollars.[7]
Traction
- The company stated it had more than 500 enterprise customers as of December 2025, having publicly launched in January 2025.[8]
Customers
- Named customers listed on the company website include PayPal, Xerox, Bose, Figma, Ramp, Perplexity and MLB.[10]
Backers
Abstract
San Francisco venture capital firm with $3.3 billion in assets under management investing in seed and early-stage companies.
Andreessen Horowitz
Venture capital firm investing across technology sectors with a dedicated AI practice
Bain Capital Ventures
Venture firm investing across apps, infrastructure, commerce, fintech, healthcare, physical AI and security
- FCapital One Ventures
- FCiti Ventures
Eniac Ventures
NYC-based pre-seed and seed venture capital firm
NVentures
NVIDIA venture capital arm, investing in technology visionaries across robotics and edge AI, AI factories and infrastructure, and scientific computing, with portfolio companies including Skild AI, Emerald AI and Contextual AI.
- FOpenAI Startup Fund
Something wrong or missing? Send a correction. Fixed within 24 hours.