The original assets and U and other multiple assets were stolen at the same time. It must be that the private key was leaked. It is necessary to check the risks in time to avoid secondary attacks:
1. Check the websites you have visited recently, the applications and third-party tools you have used
2. Check whether you have clicked on unknown links or downloaded suspicious files
3. Use trusted antivirus software to scan all devices
4. Check whether the private key/mnemonic has been passed and whether you have encountered social engineering attacks
5. Replace the new secure backup wallet
