Overview
Adaptive Security, based in New York, United States, has raised $43M in a Series A round on Apr 3, 2025, with participation from a16z. The company next-Generation Security Awareness. The round will be used to accelerate product development, expand the team, and scale go-to-market operations.
Operating in the computer and network security sector, Adaptive Security is positioned to capitalize on growing demand for innovative solutions in this space. The company was founded in 2024 by Brian Long. Brian brings deep domain expertise and a track record of execution that attracted investor confidence in this round. With fresh capital, the company is expected to invest heavily in R&D and talent acquisition, signaling a period of aggressive growth ahead.
Market Outlook
The successful raise validates Adaptive Security's approach and market opportunity. Industry analysts note that companies at this funding stage typically grow headcount by 40-60% within 12 months and make significant technology purchasing decisions in the first quarter post-funding. This makes Adaptive Security's leadership team particularly valuable contacts for B2B outreach in the near term.
Why contact Adaptive Security now
Adaptive Security's $43M Series A raise signals serious investor confidence in their computer and network security play. In the first 90 days post-funding, startups are 3x more likely to respond to outreach and evaluate new partnerships. Their team is hiring, their budget is unlocked, and they need solutions yesterday.
Founders & Contacts
Investors
Company Facts
| Company | Adaptive Security |
| Amount Raised | $43M |
| Funding Round | Series A |
| Date Raised | Apr 3, 2025 |
| Founded | 2024 |
| Industry | Computer and Network Security |
| Founders | Brian Long |
| HQ Location | New York, United States |
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