# Login and Security

- [Change Email](https://eu.support.backpack.exchange/exchange/login-and-security/change-email.md)
- [Reset Password](https://eu.support.backpack.exchange/exchange/login-and-security/reset-password.md)
- [OTP Passcode](https://eu.support.backpack.exchange/exchange/login-and-security/otp-passcode.md): The most common fixes for OTP (One Time Pass) code issues:
- [Enable 2FA](https://eu.support.backpack.exchange/exchange/login-and-security/enable-2fa.md)
- [Reset 2FA](https://eu.support.backpack.exchange/exchange/login-and-security/reset-2fa.md)
- [I suspect unauthorized access to my account](https://eu.support.backpack.exchange/exchange/login-and-security/i-suspect-unauthorized-access-to-my-account.md): If you believe someone has accessed your Backpack Exchange account without your permission, follow these urgent steps.
- [Troubleshoot connectivity issues](https://eu.support.backpack.exchange/exchange/login-and-security/troubleshoot-connectivity-issues.md): Experiencing connectivity issues with Backpack Exchange? Follow these troubleshooting steps to resolve the problem.


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