You just plugged in a USB device you found. This drive was placed here as part of an authorized security awareness exercise by your organization's security team.

In a real attack, this single action could have installed malware, stolen your credentials, or given an attacker a foothold into the corporate network all before you noticed anything was wrong. Nothing malicious happened here.

What you should do instead
No sensitive data was collected, this notice is for educational purposes only. Please safely eject the drive and hand it back to the IT or security team.