1Lookup · Vulnerability Disclosure

1Lookup Vulnerability Disclosure

Vulnerability disclosure

1Lookup publishes a security page with a named security contact and a documented incident-response plan, and invites reports via a "Report Security Issue" action. It does NOT publish an RFC 9116 security.txt, a formal vulnerability-disclosure policy, safe-harbour terms, or a bug bounty program — so this is a security contact, not a VDP. Recorded as found, with the gap named.

1Lookup runs a coordinated vulnerability disclosure program on Hackerone. A dedicated security contact is published.

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Program: Hackerone

Disclosure Policy

Security Contact

Contact
security@1lookup.io

Source

Vulnerability Disclosure

1lookup-vulnerability-disclosure.yml Raw ↑ 
generated: '2026-08-09'
method: searched
probe: true
source: https://www.1lookup.io/security
description: >-
  1Lookup publishes a security page with a named security contact and a documented incident-response
  plan, and invites reports via a "Report Security Issue" action. It does NOT publish an RFC 9116
  security.txt, a formal vulnerability-disclosure policy, safe-harbour terms, or a bug bounty program —
  so this is a security contact, not a VDP. Recorded as found, with the gap named.
policy: []
policy_url: https://www.1lookup.io/security
contact:
  - security@1lookup.io
report_channel: '"Report Security Issue" action on https://www.1lookup.io/security'
bug_bounty:
  present: false
  platforms_checked: [HackerOne, Bugcrowd, Intigriti]
security_txt:
  present: false
  probed:
    - {url: 'https://www.1lookup.io/.well-known/security.txt', status: 404}
    - {url: 'https://1lookup.io/.well-known/security.txt', status: 404}
    - {url: 'https://app.1lookup.io/.well-known/security.txt', status: 200, note: 'text/html SPA shell, not RFC 9116'}
incident_response:
  documented: true
  plan: 24/7 monitoring with automated response playbooks
  published_targets:
    detection: < 5 minutes
    assessment: < 15 minutes
    containment: < 30 minutes
    resolution: < 2 hours
  source: https://www.1lookup.io/security
evidence:
  - {source: 'https://www.1lookup.io/security', kind: security-page, keywords: [security team, incident response, report security issue, security@1lookup.io]}
gaps:
  - No /.well-known/security.txt (RFC 9116).
  - No published vulnerability-disclosure policy or safe-harbour statement.
  - No bug bounty or coordinated-disclosure program.
  - No PGP key or preferred-languages declaration.
x-evidence:
  - url: https://www.1lookup.io/security
    http_status: 200
    fetched: '2026-08-09'