# Mysql password security

**URL:** <https://forums.percona.com/t/mysql-password-security/4409>\
**Category:** Other MySQL® Questions\
**Created:** [September 21, 2015, 6:26am UTC](https://forums.percona.com/t/mysql-password-security/4409 "2015-09-21T06:26:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sklam](https://avatars.discourse-cdn.com/v4/letter/s/958977/32.png) [@sklam](https://forums.percona.com/u/sklam)\
**Post date:** [September 21, 2015, 6:26am UTC](https://forums.percona.com/t/mysql-password-security/4409/1 "2015-09-21T06:26:40Z")

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Dear all  
We are running percona mysql cluster 5.5 in production environment. it works fine.

However, is there any information on password security policy, like Password complexity, Minimum length, Password change interval?

thanks a lot