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Adaptive Security

Adaptive Security is a security training and phishing simulation platform protecting businesses from AI-driven and emerging threats. Adaptive Security was founded by Andrew Jones and Brian Long in 2022 and is backed by investors that include Abstract, Andreessen Horowitz, Bain Capital Ventures, Capital One Ventures, Citi Ventures, nVentures, and OpenAI Startup Fund.[1][2][4][12]

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2024 Founded1 Recorded event37 People on the graph

Overview

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].

Adaptive Security was founded in 2024 and is co-founded by CEO Brian Long. [5]

The company lists its office at 120 Broadway, 12th Floor, New York, NY 10271. [11]

Growth & traction

The company stated it had more than 500 enterprise customers as of December 2025, having publicly launched in January 2025. [8]

The company's website states that more than 1,000 security teams use the platform. [9]

Customers

Named customers listed on the company website include PayPal, Xerox, Bose, Figma, Ramp, Perplexity and MLB. [10]

Funding & milestones

1 events found for Adaptive Security

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Recorded history so far. Original currencies are preserved; amounts in different currencies are not added together. Debt, grants, acquisitions and listings are separate event types. Undated events appear last.

Profile narrative

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]

Leadership & org chart

Backers

  • 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

  • Eniac Ventures

    NYC-based pre-seed and seed venture capital firm

  • Abstract

    San Francisco venture capital firm with $3.3 billion in assets under management investing in seed and early-stage companies.

  • CVCiti Ventures
  • 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.

  • OpenAI Startup Fund

    OpenAI Startup Fund invests in startups with ideas about AI. The fund provides investment in early-stage companies.

  • COCapital One Ventures

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