On May 7, in ACLU v. Clapper, the Second Circuit Court of Appeals held that the controversial National Security Agency (NSA) telephone metadata collection program—involving the court-ordered ...

The U.S. government has asked a secret surveillance court to allow it to hold telephone metadata for a period beyond the current five-year limit, for use as potential evidence in civil lawsuits ...

Still adjusting to life in the big city? Your mobile phone operator might soon be able to tell. An analysis of a month’s worth of telecoms metadata – more than 698 million call logs – from Shanghai ...

A large number of Americans’ metadata has been stolen in the sweeping cyberespionage campaign carried out by a Chinese hacking group dubbed “Salt Typhoon,” a senior U.S. official told journalists on ...

In a decision that is sure to irk privacy advocates, the Foreign Intelligence Surveillance Court ruled that the National Security Agency (NSA) can temporarily resume its once-secret bulk collection of ...

In developing or war-ravaged countries where government censuses are few and far between, gathering data for public services or policymaking can be difficult, dangerous or near-impossible. Big data is ...

Researchers have devised a way to estimate the distribution of wealth and poverty in an area by studying metadata from calls and texts made on cell phones. Such metadata contains information about the ...

The National Security Agency on Sunday will end its mass collection of data about Americans’ phone calls, 14 years after the counterterrorism program began in secret under the authority of President ...