CallSign · Vulnerability Disclosure

Callsign Vulnerability Disclosure

Vulnerability disclosure

CallSign publishes a vulnerability disclosure policy for reporting security issues. A machine-readable /.well-known/security.txt is served. A dedicated security contact is published.

CompanyArtificial IntelligenceIdentityAuthenticationFraud PreventionBehavioral BiometricsSecurityFintech
Program: security.txt present

Disclosure Policy

Security Contact

Contact
mailto:security@callsign.com

Source

Vulnerability Disclosure

callsign-vulnerability-disclosure.yml Raw ↑ 
generated: '2026-07-18'
method: searched
probe: true
source: https://www.callsign.com/.well-known/security.txt
contact:
- mailto:security@callsign.com
evidence:
- source: https://www.callsign.com/.well-known/security.txt
  kind: security.txt (live probe)

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Tools for security posture

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  • find_securityBrowse and filter every security artifact in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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Call it yourself

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This security artifact 
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All security posture 
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