The Nest system has set up several security precautions to ensure that such an occurrence will not occur in the future, We can have confidence that the Nest Thermostat will ensure the safety of our homes. For example, data is encrypted before being transmitted to and from the device. When you log into the Nest app, you'll be required to enter a code from your phone along with your password. So, you can rely on the Nest Thermostat to protect your home securely.