Using a different password for every different website is one of the best things you can do to improve your security. I use 1Password and you should too. The Wirecutter from the NY Times agrees.
Watch your hack.
Learn more about privacy oriented browsers.
This Times article gives a good summary of easy things you can do.
Find how what you share can affect your life.
Troy Hunt has more details.
Here’s some advice.
These steps can help you use your phone to maintain internet security.
Gizmodo has some advice.
Learn more here.