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Open Circle AG – Zürich
Freilagerstrasse 32
8047 Zürich

Open Circle AG – Bern
Lagerhausweg 30
3018 Bern

Use passwords only once

Imagine the following scenario: Lena uses “Emefuwumi&611!” as a password on Facebook, GMX Mail, Amazon, and her recipe site. Lena’s password may be considered secure because it consists of a combination of letters, numbers, and special characters. But because she uses the same password on several services, it is only as secure as the weakest link in the chain.

Facebook, GMX & Co invest a lot in security. It is unlikely, though not impossible, that hackers can get hold of passwords there. The situation is completely different for the recipe site. Security doesn’t play a major role for its operators, since there are only recipes to be found there. But because Lena uses the same password (and email as username) everywhere, attackers can also gain access to her email or Facebook account.

Test now!

Do you think you could be affected too? Check your most used usernames here.

How can I easily remember a secure password?

  • Variant 1: Take a long enough sentence e.g. “This is my secure password that I can remember really well!” If you take the first letters and punctuation marks, this results in: TimsptIcrrw! If you add numbers, the password becomes even more secure.
  • Variant 2: Take a phonetically well-sounding letter combination, but which does not make a word, and supplement it with a special character and a number. For example, Etiwunaki%273. Your brain can remember such a password much better than a non-sounding letter combination. Try it out. You can generate password suggestions here.

Basic rules of password security

  • Use strong passwords that consist of letters, numbers, and special characters and are at least 14 characters long.
  • Use a separate strong password per service.
  • Use appropriate software tools to store your passwords. This will eliminate the need to remember most passwords!
  • Create passwords that you need to know by heart (e.g. computer login or password manager master password) using the method described here.
  • Do not write down your passwords anywhere. Not even in a document on your PC. If you do this anyway, treat this piece of paper or document at least like the access to your safe!
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