Security Risk: High. These files typically contain stolen or leaked login data. Using or distributing this information is often a violation of terms of service and, in many jurisdictions, illegal.

Enable MFA: Activate multi-factor authentication (MFA) on all sensitive accounts to ensure that even a leaked password is not enough for an attacker to gain entry.

Subject: The Queue That Never Ends

But metadata sidecars? Yes.
Hulu’s internal content management system (CMS) generated sidecar files for each video asset: one for technical metadata, one for content classification, one for ad breaks. A text file named old-from-Hulu-Cloud--ken187ken.txt could be the sidecar for a removed episode of an obscure series, where ken187ken was the asset ID in the CMS.

The Mysterious File from Hulu Cloud

such files from unknown sources, as they are often distributed via sites that host malware. Check your own accounts Have I Been Pwned