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.
How we categorized the various NSA revelations from the past year.
The measure was inserted into a defense appropriations bill and approved on a voice vote.
Facebook is launching an aggressive technique to track people across the Web.
The merger of online and offline data is bringing more intrusive tracking.
Here are some techniques that anybody can use to protect their privacy online.
Weibo, "China's Twitter," started offering shares on NASDAQ yesterday. Its regulatory disclosures reveal a company's balancing act between censoring too much and too little.
One lesson of the Heartbleed bug is that the U.S. needs to stop running Internet security like a Wikipedia volunteer project.
All the plans purport to end the bulk phone records collection program, but there are big differences.
Files obtained from the archives of the East German secret police show how the Stasi mapped social networks.
Data brokers don't make it easy to see the data they hold about you. Here's what you can do to opt-out.
We lay out more from our story about how the NSA and its British counterpart have been scouring smartphone apps.
New documents show the NSA and its British counterpart have access to advertiser data on smartphone apps, which can include your gender, income, and even whether you're a "swinger."
The conventional wisdom about how to build strong passwords can be counter-productive. Here are some better ways to build passwords that are hard to crack.
President Obama, who delivered a speech on surveillance policy today, has made a series of misleading statements about the NSA.
It’s not easy to keep your data private while surfing the Internet, but here are a few tools that can help.
A new ruling supporting the NSA's metadata surveillance program points to the 9/11 report as evidence for the necessity of such a program. Except the 9/11 report doesn’t contain the evidence the judge says it does.
A panel of experts appointed by President Obama says the U.S. government should get out of the business of weakening technology used to secure communications.