This may go without saying, but it’s never a good idea to use identical credentials between private and public, or personal and professional, systems. For example, if you’ve got both a personal email account and a work email account, using the same password is dangerous. On one hand, if your work account is compromised – or worse, if there’s a nefarious administrator at your work – your personal correspondence are at risk. On the other hand, if your personal account is compromised (which is what happened to Twitter in March (cnet)) you put your job and your companies Intellectual Property at risk.
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