Too Long; Didn't Read
You are trusting various internet companies with your passwords. With data breaches becoming more common (like <a href="https://www.wired.com/story/change-your-twitter-password-right-now/">this</a>, <a href="https://www.businessinsider.com/quora-says-it-had-massive-hack-that-may-have-affected100-million-users-2018-12?IR=T">this </a>and <a href="https://www.vice.com/en_us/article/a3qpk5/t-mobile-hack-data-breach-api-customer-data">this</a>), is your data safe? How to know whether your password has been stolen? And what do you do if the unfortunate has happened?