Google chrome is probably the worst in protecting your passwords since it stores them in plain text and it can be accessed by any user accessing google chrome. Other browsers are storing them with login protection e.g. Firefox supports master password to protect all saved passwords.
There are many security threats related to password strength, password reuse, plain text password storage, password hashing and password encryption. In this article we are not focusing on any of those threats, However we are trying to demonstrate that anyone can see your saved password in any browser very easily by following below simple steps. A pro hacker will not even consider this a hack since its so simple and does not even require special knowledge or understanding of hacking or use of any sophisticated hacking tools.
Let me remind you that the purpose of this tutorial is demonstrate how unsafe your passwords are with browser save password feature. Therefore try to avoid using the password save features if you system can be accessed by untrusted people.
It may happen sometimes when you leave your work computer unlocked for few minutes. Therefore must be a strong reason for leaving your workstation locked when stepping out (even if for few minutes).
Please do not use this technique unethically.