Most of your personal data is floating around on the internet and in the hands of data brokers. Sometimes, these brokers' databases are hacked, and your data is stolen and sold on the dark web. In other instances, your data is acquired from brokers by government agencies.Although it's possible to decline when apps and websites request access to your data -- including your location, contacts, and media --  it's almost impossible to enjoy a streaming service or social media platform without relinquishing your email address, phone number, or physical address.Also: The best password managers to safely store your loginsThe ODNI stressed the importance of calling on the federal government to strengthen the legal framework for the protection of American user data. These protections include keeping data from foreign adversaries, limiting the amount of data private companies can collect, and checking the government's powers to ensure it does not violate the rights of Americans.