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Adaptive Security

Adaptive Security

Private
New York City, New YorkCybersecurityhttps://www.adaptivesecurity.com/

Last Round

Venture -

Series Unknown

Jun 5, 2026

Total Funding Raised

$146.5M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Adaptive Security is a cybersecurity company that develops an AI-native platform for security awareness training, phishing simulations, and real-time threat triage to protect organizations from AI-powered social engineering attacks.

Sector

Cybersecurity

Verticals

Application Security, Cloud Security, Threat Intelligence, Incident Response, Zero Trust

Business Model

B2B

Customer Profile

Subscription SaaS

AI Layer

Application

Keywords

threat detectionincident responseAI securityAI agent securitycybersecurity platformautomated securitysecurity operationsSOCphishing simulationsecurity awareness trainingenterprise securitySaaS securitydeepfake detectionsocial engineering defenseexposure analysis

Historical Pricing

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Caplight Momentum Score

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Adaptive Security Comparables

Compare Adaptive Security with similar companies based on industry and business-model similarity.

Adaptive Security comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Doppel
74%
Harmonic Security
67%
CrowdStrike
67%

Adaptive Security Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Venture - Series UnknownJun 5, 2026
Series BDec 16, 2025
Series ASep 9, 2025

Key People

Founding team and executive leadership

Brian Long

Co-Founder and CEO

Founding Team

Brian Long

CEO Co-Founder

Founding Team

Adaptive Security Investors

Notable investors and investment history

Adaptive Security investors
InvestorRounds
Andreessen HorowitzSeries B, Venture - Series Unknown, Series A
Bain Capital VenturesVenture - Series Unknown, Series B
Citi VenturesSeries B, Venture - Series Unknown
Eniac VenturesSeries B, Series A
Gallery VenturesSeries B, Series A
NVenturesSeries B, Venture - Series Unknown
Crossbeam Venture PartnersSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 24, 2026

    Grew 20% QoQ, from 237 to 285 employees.

  • Aug 21, 2026

    Monthly visitors increased 46% MoM.

Adaptive Security Filings

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Adaptive Security filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Adaptive Security's valuation, stock price, and market status.

Is Adaptive Security a public or private company?

Adaptive Security is a private company.

What is the current stock price of Adaptive Security?

Adaptive Security is a private company with no public stock price. No recent secondary market data is available.

How much is Adaptive Security worth (valuation)?

Valuation information for Adaptive Security is not publicly available.

Can I buy Adaptive Security stock?

Adaptive Security shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Adaptive Security's last funding round?

Adaptive Security's most recent funding round was Series B on December 16, 2025.

Who are the main investors in Adaptive Security?

Key investors in Adaptive Security include Andreessen Horowitz, Bain Capital Ventures.

Will Adaptive Security IPO soon?

No public IPO plans have been announced for Adaptive Security.

How can I track Adaptive Security secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Adaptive Security's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersNew York City, New York
Employee Range246
Year Founded2024
Last FundingJun 5, 2026

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