A recent leak of 360 million MySpace accounts means that many people will soon know all too well why reusing passwords is a bad idea. Facebook CEO Mark Zuckerbergs Twitter, Pinterest, and LinkedIn accounts were compromised. In this article we explain how to invent and remember unique and reliable passwords for an infinite number of websites. If you have any doubt, youd better change all of your passwords as soon as possible. If keeping track of many passwords is too hard, use a good Password Manager and be safe!”]
Source: https://www.kaspersky.com/blog/change-passwords-now/12284/