Adaptive Security raised $43 million in a Series A funding round led by OpenAI and Andreessen Horowitz. The funding will be used to enhance their AI-driven cybersecurity solutions.
Amount Raised
$43 Million
Round Type
Series A
New YorkArtificial IntelligenceSecurityCyber SecurityMachine LearningNetwork SecurityInvestors
Description
OpenAI is funding the cybersecurity it wants to see in the world. The company leads a $43 million Series A fundraising round for Adaptive Security, an AI cybersecurity firm. This is OpenAI’s Startup Fund's first investment in a cybersecurity company. Adaptive Security utilizes AI to train employees to recognize and respond to security threats.
Quick answer
Adaptive Security raised $43 Million in a Series A round, dated April 4, 2025. Investors: OpenAI and Andreessen Horowitz. Adaptive Security is based in New York, New York, United States.
- How much did Adaptive Security raise?
- Adaptive Security raised $43 Million in a Series A round on April 4, 2025.
- Who invested in Adaptive Security?
- OpenAI and Andreessen Horowitz are named as investors in this round.
- What does Adaptive Security do?
- Adaptive Security is OpenAI’s investment for AI cyber threats.
- Where is Adaptive Security based and how big is it?
- Adaptive Security is based in New York, New York, United States. Fundz records about 160 employees.
- Who are the decision-makers at Adaptive Security?
- Fundz holds 1 contact at Adaptive Security. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Security and Cyber Security around the same time
Companies in the same sectors as Adaptive Security that raised within 45 days of this round, from Fundz verified event records.
- Kenzo Security raised $4.5M (Seed) on April 22, 2025.
- Cursor raised an undisclosed amount (Funding Round) on April 21, 2025.
- Exaforce raised $75M (Series A) on April 17, 2025.
- Gomboc AI raised $13M (Seed) on February 19, 2025.
- Spektrum Labs raised $7.2M on May 16, 2025.
- Kovr.ai raised $3.6M (Seed) on May 14, 2025.
Who to call at Adaptive Security, and when
A new round usually means Adaptive Security is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Adaptive Security raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Adaptive Security, from your own LinkedIn network
Works inside ChatGPT and Claude. Ask who to call at Adaptive Security. With Fundz connected, it knows.
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Fundz sees it the moment Adaptive Security raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
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Funding Insights
What this usually meansAdaptive Security raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
145 of these a day, filtered to the companies you pick, with the decision-maker attached.
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