The best way to minimize the chances of your personal data being hacked/leaked is to limit the amount that is collected and stored by your devices and to post as little about yourself online. This recent article from Wired details some great ways to limit what Google collects about you and the amount of time they can hang on to what they do get.

Read the full article here:
https://www.wired.com/story/google-tracks-you-privacy/