Many people use auto-fill passwords for their convenience. What you might not know is that hackers and advertisers can use them to get access to websites and other applications and gather sensitive information. Learn more about the risks of using autocomplete passwords.

Advertisements and “helpful” suggestions based on your internet browsing habits can be troubling. But what’s even more alarming is that hackers have found another way of tracking you via seemingly harmless autocomplete passwords. Here’s what you need to know.

Passwords are a double-edged sword. If you make them too simple, they’ll be easy to guess; if you make them too complex, they’ll be impossible to remember. One solution is to create an uncrackable password and save it to your browser. Unfortunately, recent research suggests that tactic could drastically reduce your privacy.