Valve Employees will never ask you for personal or account information, on Steam or anywhere else. You can safely ignore anyone who claims to have mistakenly reported you - that will not get you banned. If you need help with your Steam account, go to https://help.steampowered.com/ .
Beware of scamsValve employees (including myself) are not on Discord or any other social media asking you for personal information. You can't get banned from someone claiming to have mistakenly reported you. Only share your information with Steam customer support through the official website
Steam Support
Log in to your Steam account to get help with your Steam games, contact Steam Support, request refunds, and more. Help is also available if you can't log in, need to reset your password, or recover a hijacked account.
https://help.steampowered.com/