Of all of the recent technological developments that have expanded the surveillance capabilities of law enforcement agencies at the expense of individual privacy, perhaps the most powerful is cell ...

Authorities around the world can use your cell phone to track your location and potentially access other sensitive private information about you. One possible protection from this data collection is a ...

The U.S. National Security Agency collects five billion records every day tracking cell phone movements around the world, according to documents leaked by former NSA contractor Edward Snowden. In ...

Many law enforcement agencies across the U.S. track mobile phones as part of investigations, but only a minority ask for court-ordered warrants, according to a new report released Monday by the ...

The Department of Homeland Security is adopting powerful new tools to monitor noncitizens. Privacy advocates are worried they erode privacy rights for immigrants and Americans alike.

Capitalizing on all the information we put into our cell phones, Verizon Wireless is selling all our app usage and location information to marketers, reports CNET's Declan McCullagh. Part of what it ...

What just happened? A pivotal legal decision has emerged from Nevada, where a federal judge has questioned the constitutionality of a controversial investigative tool known as a "tower dump." This law ...