generated: '2026-08-13' method: searched probe: true source: https://trust.doubleverify.com/ program_advertised: true policy_public: false policy: [] contact: [] bug_bounty: platform: null url: null found: false security_txt: served: false note: >- /.well-known/security.txt returns 404 on doubleverify.com, developer.doubleverify.com and trust.doubleverify.com. The one 200 in the estate is on status.doubleverify.com and it is Atlassian's signed file (Canonical https://www.atlassian.com/.well-known/security.txt, Contact security@atlassian.com) served by the Statuspage vendor — not DoubleVerify's, and not counted. evidence: - source: https://trust.doubleverify.com/ kind: trust-center-control-listing http_status: 200 finding: >- DoubleVerify's SafeBase trust centre lists "Responsible Disclosure" as a control under App Security. The program therefore exists and DoubleVerify says so publicly. - source: https://doubleverify.com/.well-known/security.txt kind: rfc9116 http_status: 404 - source: https://doubleverify.com/security kind: disclosure-page http_status: 404 - source: https://doubleverify.com/responsible-disclosure kind: disclosure-page http_status: 404 - source: https://doubleverify.com/vulnerability-disclosure kind: disclosure-page http_status: 404 pointer_decision: emit_vulnerability_disclosure: true emit_security: false rationale: >- The `Security` pointer that the security_disclosure check reads is DELIBERATELY WITHHELD. DoubleVerify advertises a Responsible Disclosure control on its trust centre, but the policy text, the reporting channel and the security contact are all behind SafeBase registration, and no security.txt, no public disclosure page and no bug-bounty listing exists anywhere in the estate. A researcher who finds a vulnerability today cannot reach DoubleVerify without first requesting access to a trust portal. That is the presence of a program, not the publication of a policy, so it is recorded as VulnerabilityDisclosure and not credited as a published security policy. remediation_for_provider: >- Serving an RFC 9116 /.well-known/security.txt on doubleverify.com with Contact and Policy fields — or ungating the Responsible Disclosure page — would close this immediately. x-evidence: fetched: '2026-08-13'