Many default Gmail settings may not appeal to you you may wish that specific options were switched on or off if you only knew they existed. Click here to learn how this feature can be used against you. The function is called “Confidential Mode,' and the Department of Homeland says it could present a significant security threat to users. Google recently added a new feature to its Gmail redesign. That’s not all the bad news for Gmail users. Click here to stop it and disconnect third-party apps from your Gmail account. If you are worried about this practice, I’ve got your back. Recently, the Wall Street Journal reported some third-party developers were collecting data on Gmail users. That’s about 1 in 7 people on Earth actively using this free email platform in 74 different languages. Watch Video: Useful Gmail settings you'll wish you knew sooner