There's a portion of config-sample.php that's headed'Authentication Unique Keys.' You will find. A hyperlink is fix hacked wordpress within that part of code.You change, copy the contents that you return, and have to enter that link into your browser. That makes it harder for attackers to generate a'logged-in' dessert for your site.
The one I recommend, and the more powerful approach, is to use one of the generation and storage plugins available for your browser. Lots of people like RoboForm, but I think after a free trial period, you have to pay for it. I use the free version of Lastpass, and I recommend it for those who use Firefox or Internet Explorer. That will generate a knockout post passwords for you.
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