The former head of the CIA has said "we kill people based on metadata", but as Australia introduces new data retention laws, the country's security chief says he's "not quite sure" what the fuss is about. So what is the truth behind data retention, and why does it matter?
To learn what the NSA can glean from metadata, Stanford students developed Metaphone, an app that analyzes phone records. How sensitive was the uncovered info? CNET's Sumi Das reports.
Make sure you're not communicating more than you intend to when sharing files and uploading images by excising some of the data about your data.
Passage of the USA Freedom Act has reversed the controversial national security policy created after the September 11, 2001, terrorist attacks.
A study conducted by Stanford University graduate students has demonstrated that a lot of personal information can be gleaned just based on the phone calls you make.
Find out which photo-sharing and storage site best suits your needs with this deep dive into the top online photo services.
The US government has long argued that the program is legal under the controversial Patriot Act, but a federal appeals court sees things differently.
HDMI 2.0a is the latest update to the HDMI specification. Here's what it is, and what it means, and why you should care.
Telecommunications and internet service providers will now be required to store their customers' metadata for at least two years under laws that passed the Australian parliament with little opposition.
It's time you sat down and organized your music collection, once and for all. Here's some tips to help you come up with a system for the madness.