Password rules for the central BTU account

Basics:

The BTU account includes a user name (login) and a password. The password consists of at least six characters and must contain at least two character classes (e.g. letters and numbers), and is case-sensitive. In addition, words, login names and proper names are not permitted and will be rejected.

Validity period:

You can use a password to log in to the central services of IT Services for one year. 14 days before your password expires, you will receive an e-mail asking you to change your password.

Password change:

You can use the following web portal to change your password:
www.b-tu.de/account

You will need a current browser to do this. Please choose a password for your account that meets the general requirements for a password:

1. a password is a character string with at least 2 character classes. Character classes are defined as:

  • Upper case letters
  • Lower case letters
  • numerals
  • special characters

2. The characters of the various character classes should be used in random order.

3. permitted are

  • 6 to 16 characters
  • a maximum of 2 consecutive identical characters

4. not permitted

  • Passwords that are derived from your name or login name
  • Passwords that could appear in dictionaries (including foreign ones)
  • Sequences of adjacent keys on the keyboard, e.g. qwerty
  • Function keys and German umlauts
  • Palindromes, i.e. mirrored character groups , e.g. abc11cba
  • Passwords that are written down and stored in a publicly accessible place!

5. Above all: CHOOSE A PASSWORD THAT YOU CANNOT FORGET!

Tip: Combine the first letters of a saying or a song to create a password and add special characters or numbers (if these are not already present in the text).

Example: My Password is easy, but secure! ⇒ ‘MPie,as!’

Notes:

The new password is immediately active for all central services of the computing centre. These central services include, for example:

  • central mail service
  • wireless LAN
  • VPN service
  • LAN access in public areas of the BTU

If you no longer know your current password, please contact the account administration with your matriculation number: account(at)b-tu.de.