ProPublica investigates the threats to privacy in an era of cellphones, data mining and cyberwar, including how citizens are digitally tracked by governments and corporations.
Snowden documents show intelligence agencies conducting surveillance and grabbing data in virtual worlds.
ProPublica has been collecting images that have been deleted by censors from Sina Weibo, "China’s Twitter," since May. We gathered a team of people proficient in Mandarin to read and interpret 527 deleted images collected during a two-week window this summer. The images provide a window into the Chinese elite’s self-image and its fears, as well as a lens through which to understand China’s vast system of censorship.
For five months, we’ve been observing 100 accounts on Sina Weibo, “China’s Twitter,” keeping track of images that are deleted by censors. Those deleted images provide a window onto China’s vast system of censorship.
The federal institute that sets national standards for data encryption has announced it is reviewing all of its previous recommendations.
The agency, President Obama, and members of Congress have all said NSA spying programs have thwarted more than 50 terrorist plots. But there’s no evidence the claim is true.
The decision follows revelations about the NSA’s covert influence on computer security standards.
The university, which works closely with the NSA, apologizes to a professor after he was asked to remove his post.
Newly revealed documents show that the NSA has circumvented or cracked much of the encryption that automatically secures the emails, Web searches, Internet chats and phone calls of Americans and others around the world. The project, referred to internally by the codename Bullrun, also includes efforts to weaken the encryption standards adopted by software developers.
We explain why publishing this story about U.S. and U.K. government efforts to decode enormous amounts of internet traffic previously thought to have been safe is in the public interest.
The White House has opposed efforts to rein in NSA snooping, but only five years ago, Sen. Obama supported substantial reforms.
A detailed snapshot of what's known about the NSA surveillance programs.
A measure to end one NSA program was just defeated in the House by a surprisingly narrow margin. Here are other proposals on the table.
In response to a public records request, the super-snooping spy agency says it doesn’t have the technology.
In a secret effort, the National Security Agency appears to be vacuuming up large swathes of the Internet.
The debate about National Security Agency eavesdropping has left European investigators bemused. U.S. technology collects mountains of data that often aids their cases, they say. But there's no substitute for real human spying.
Officials say National Security Agency intercepts stopped David Coleman Headley's planned attack in Denmark, but sources say a tip from the British led to his capture after the U.S. failed for years to connect multiple reports of terror ties.