YC Spring 2026 (P26) founder

Kareem Selim

Founder of RASPIRE, Autonomous Runtime Security

RASPIREb2bsecurity2 public signals

Company

Kareem Selim is listed as a founder of RASPIRE. RASPIRE is the first line of defense for applications against AI-powered fraud attacks, API abuse, and runtime threats. Unlike code scanners and pentesting tools that identify vulnerabilities before release, RASPIRE operates like a security expert running inside applications, monitoring, detecting, and blocking attacks 24/7 in real time. All without writing a single line of code.

Founder traction evidence

Public posts and activity attributed directly to this founder.

  1. LinkedIn

    RASPIRE (YC P26) is joining Y Combinator!

    RASPIRE (YC P26) is joining Y Combinator! Hassan Mostafa and I spent years breaking and fixing apps for banks and fintechs, and saw firsthand that protecting the backend is only half the problem. As vibe coding makes it easier than ever to build and ship apps, protecting the...

  2. LinkedIn

    Last week, as our YC batch was coming to an end, we had the chance to hear Paul Graham talk about how Y Combinator started, the struggles they faced in the early days, and how it became what many people call the "Harvard of Startups."

    Last week, as our YC batch was coming to an end, we had the chance to hear Paul Graham talk about how Y Combinator started, the struggles they faced in the early days, and how it became what many people call the "Harvard of Startups." It was one of those moments that makes you...