Crosslayer Labs | Y Combinator
Winter 2026 batch; detects cross-layer internet impersonation attacks (DNS, BGP, TLS, JS).
Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.
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Evidence-bound summary — expand sections for movement, risks, and signals.
Memo snapshot · May 20, 2026, 6:03 PM
What would change this read
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TL;DR
Seed (YC)Crosslayer Labs
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2026). Investors: Y Combinator. (High).
Funding
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2026). Investors: Y Combinator. (High).
Product / news
2 product/news‑styled row(s); headline risk without filings (High).
Verified facts
Winter 2026 batch; detects cross-layer internet impersonation attacks (DNS, BGP, TLS, JS).
Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.
No open roles indexed yet.
The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.
Source types found
Strongest / recent news-style rows
Wed, May 20, 06:03 PM · confidence 88%high quality
Wed, May 20, 06:03 PM · confidence 85%medium quality
Newest first · 6 event(s)
Source: Blog
Crosslayer Labs Website
Source: Homepage
Crosslayer Labs Website
Source: official_site
Crosslayer Labs Crosslayer Labs Blog Research Get Started Securing web infrastructure Companies and enterprises across the world rely on the web for secure operations. We protect them from ongoing website and API hijacks. Get a Security Assessment Learn More…
Source: official_site
Crosslayer Labs Crosslayer Labs Blog Research Get Started Back to Home Blog Insights on network security, web infrastructure protection, and the latest in cybersecurity research. Featured Post Featured An Inflection Point in the web PKI Henry Birge-Lee June 1…
Winter 2026 batch; detects cross-layer internet impersonation attacks (DNS, BGP, TLS, JS).
Press profile on cross-layer attack detection.
3 row(s)
The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.
Crosslayer Labs Website
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Crosslayer Labs Crosslayer Labs Blog Research Get Started Securing web infrastructure Companies and enterprises across the world rely on the web for secure operations. We protect them from ongoing website and API hijacks. Get a Security Assessment Learn More…
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Crosslayer Labs Crosslayer Labs Blog Research Get Started Back to Home Blog Insights on network security, web infrastructure protection, and the latest in cybersecurity research. Featured Post Featured An Inflection Point in the web PKI Henry Birge-Lee June 1…
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗1 row(s)
Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.
Press profile on cross-layer attack detection.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗1 row(s)
Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.
Winter 2026 batch; detects cross-layer internet impersonation attacks (DNS, BGP, TLS, JS).
Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.
Open source ↗1 row(s)
Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.
Crosslayer Labs Website
Why it matters: Company publishing — post cadence and depth hint at product velocity.
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