On the front page of Google today is a notice that today is #DataPrivacyDay. Make sure you enable 2-factor authentication on all your accounts and choose a good password for each.
Here are some ways to make sure you are best protected:
This app is an invaluable part of my security check. It is the easiest way to create, store, and input unique passwords into websites and apps. All you need is one secure password and all the rest is done for you. The app is available across all major platforms and mobile devices so there's really no reason not to use it. Check it out here.
Enable 2FA (two-factor authentication)
If you're like me, you're probably tied to your phone 24/7 (or not far from it at all times). Enabling 2FA is a great way to make sure that even if somebody happens to find your password, it won't do them much good to have it without securing a physical item from your person -- in this case, your phone. Most sites work seamlessly with the Google Authenticator app and I highly encourage everybody to enable 2FA on as many sites and services they use as possible. Here's a list of ways to enable it.
And many more...!