Crosslayer Labs (Founding)
Funding Details
Awarder
YCombinator
Date Award
February 10, 2026
Vertical
B2B,Security
Company Info
Founding Year
2026
Market
B2B
Location
San Francisco, CA, USA
Coinvestors
YCombinator
Company Description

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.

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