Here's the thing: we're no longer in the olden days of the internet, where you can just use
the same password everywhere and call it a day.
Services get hacked all the time, and if you're using
the same password everywhere, you've given someone access to all of your accounts when one service leaks information.
Sure, having
the same password everywhere makes it easier for you to remember, but it means that one site's security leak compromises all of your accounts.
«If you are a user of a website, your biggest threat is that you re-use
the same password everywhere, so that when a hacker breaks into a weak website, they get your password to strong website (like Google or Twitter),» said Robert Graham, chief executive officer at Atlanta - based Errata Security.
It is a real bad practice to use
the same password everywhere for obvious reasons — all your online accounts would become susceptible to hacking if the password to leak.
You can protect yourself from password leaks by not re-using
the same password everywhere, but you practically have to re-use the same email address everywhere.
Since people have a terrible habit of using
the same password everywhere, you've got a good chance of getting in.
So beware of all this hacking, don't use
same passwords everywhere.
Not exact matches
Using the
same one
everywhere can make you vulnerable if there's a
password or data leak on a site you regularly use.