Utility of a good password

When you have an account on a computer, only and single access control to this machine is in general your password. Somebody who discovers this key can then work on the machine under your name (possibly without you not realizing any), lira all your files (mails, texts...), destroy these files or more insidiously to modify some of them.

This essential function of the password became even more important with the use of the networks and Internet.

To discover a password, to break it, are all the more easy as this one will have been badly selected.

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