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# Conforms to IETF `draft-foudil-securitytxt-07`
Contact: https://hackerone.com/linkedin
Contact: https://www.linkedin.com/help/linkedin/answer/62924
Canonical: https://www.linkedin.com/.well-known/security.txt
Policy: https://hackerone.com/linkedin?view_policy=true
1 Error
Expires: Missing Expires field
The Expires field is required. It indicates when this security.txt should be considered stale.
How to fix
Add an Expires field with an ISO 8601 date 6-12 months in the future. Expires: 2027-01-01T00:00:00Z Note: The date must be in UTC (ending with Z).
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