September_ultros_key_tms.key

: tms.key (or aws-tms.key ) is often used as an IdentityFile (private key) to authenticate SSH connections to a Traffic Mirror Session (TMS) instance on Zeek.org .

: This suffix typically refers to a cryptographic key or an identity file. September_Ultros_Key_tms.key

: This likely acts as a timestamp or version identifier (e.g., a key rotated or generated in September). Recommendation If you found this file on your system or in a repository: Recommendation If you found this file on your

: Look for a .ssh/config or an .env file in the same directory; these often contain "Host" or "IdentityFile" lines that explain where the key is used. September_Ultros_Key_tms.key

: If this is for work, search your company's internal Confluence or GitHub for "Ultros" or "TMS" to find the specific project it belongs to.