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How to choose your passwords?

To protect your information, it is necessary to choose and use robust passwords, that is to say, difficult to find using automated tools and to guess by a third person.

 The strength of a password generally depends primarily on its complexity, but also on various other parameters, explained in detail in the document Security recommendations relating to passwords.

If you want a simple rule: choose passwords of at least 12 characters of different types (uppercase, lowercase, numbers, special characters). (Sources)

Here are some recommendations.

  • Use a unique password for each service. In particular, the use of the same password between his professional e-mail and his personal e-mail is imperatively prohibited;
  • Choose a password that has no connection with you (password made up of a company name, date of birth, etc.);
  • Never ask a third party to generate a password for you;
  • Systematically and as soon as possible change the default passwords when the systems contain them;
  • Renew your passwords with reasonable frequency. Every 90 days is a good compromise for systems with sensitive data;
  • Do not store passwords in a file on a computer station particularly exposed to risk (example: online on the Internet), even less on easily accessible paper;
  • Do not send your own passwords to your personal email;
  • Configure software, including your web browser, so that it does not “remember” your chosen passwords.

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