Crosslayer Labs is a cybersecurity company that protects, monitors and defends Internet presence [1]. Founded in 2026, the company is based in New York City, NY, USA [2] and participated in Y Combinator's Winter 2026 batch [3]. The company operates with a team of 3 [4]. Crosslayer Labs detects impersonation attacks on websites and APIs through "outside-in" monitoring of customer infrastructure [5]. The platform discovers and monitors Internet dependencies including DNS, BGP, TLS certificates, and Javascript, correlating signals across different layers of the Internet stack to identify attack patterns [5]. The company's founding team previously invented the MPIC standard, which has been adopted by major certificate authorities including Google, Apple, and Amazon [5]. The MPIC standard secures over 700 million websites through the issuance of over 3 billion digital certificates and functions as a global Internet standard [5].
About
- Crosslayer Labs detects impersonation attacks on websites and APIs. We provide "outside-in" monitoring of customer infrastructure, comprehensively discovering and monitoring all Internet dependencies, including DNS, BGP, TLS certs, Javascript. We correlate signals from different layers of the Internet stack to identify attack patterns. Our alerts are actionable and contain root cause analysis/remediation recommendations. Our founding team is world renowned for previously inventing the MPIC standard adopted by all the major CAs including Google, Apple, Amazon. The MPIC standard is securing over 700 million websites via the issuance of over 3 billion digital certificates, and is now a global internet standard that protects every single HTTPS connection.[5]
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