Trend Micro recommends changing your password regularly.
For Europe, the Middle East, Africa: https://euq.hes.trendmicro.eu
For all other regions: https://euq.hes.trendmicro.com
Passwords must contain 8 to 32 alphanumeric characters. Trend Micro recommends using a long password. Strong passwords contain a mix of letters, numbers, and special characters.