# Account Security

- [What is MPC?](https://support.cregis.com/faq/account-security/what-is-mpc.md)
- [Is There a Risk of MPC Shards Being Stolen?](https://support.cregis.com/faq/account-security/is-there-a-risk-of-mpc-shards-being-stolen.md)
- [Where Are My Assets Stored When Using Cregis?](https://support.cregis.com/faq/account-security/where-are-my-assets-stored-when-using-cregis.md)
- [What is a TEE Environment?](https://support.cregis.com/faq/account-security/what-is-a-tee-environment.md)
- [How to Safely Handle a Lost Recovery Phrase?](https://support.cregis.com/faq/account-security/how-to-safely-handle-a-lost-recovery-phrase.md)
- [How to Safely Handle Lost or Damaged Devices?](https://support.cregis.com/faq/account-security/how-to-safely-handle-lost-or-damaged-devices.md)
- [How to Enable and Disable Address Book Verification?](https://support.cregis.com/faq/account-security/how-to-enable-and-disable-address-book-verification.md)
- [What is a Policy Engine?](https://support.cregis.com/faq/account-security/what-is-a-policy-engine.md)
- [What Should I Do If I Forget My Transaction Password?](https://support.cregis.com/faq/account-security/what-should-i-do-if-i-forget-my-transaction-password.md)


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