At its core, privacy is the agency individuals assert over what information about themselves they share and to whom they share that information. Online, concerns about privacy manifest themselves everywhere—from surveillance by government agencies like the NSA and the FBI to corporate data-collection by tech companies like Facebook and Google.

Is Trump doing enough to keep this major privacy agreement alive?
The fate of a major U.S.–E.U. privacy pact hangs in the balance.
15 things you need to know about Tor
There's much more to Tor than just black markets and porn.
Use an iPhone? Here’s what this Trump-linked data firm knows about you
A firm hired by the Trump campaign knows a lot about you.
Sarahah has been covertly uploading your address book to its servers
The app's founder says it's for a planned feature.
ICE plans to outsource data collection on 500,000 people a month
The move signals ICE’s plans to employ more advanced technology in its civil immigration enforcement.
The quiet war against ownership
A major conflict is shaping up between the owners of smart devices and the companies that produced them.
iRobot may sell maps of users’ home layouts in the future
Your data can always be sold to the highest bidder. Always.
U.K.’s new age verification system may impact your porn viewing habits
The implications aren't confined to across the pond.
Verizon security error leaves millions of customer records exposed
The data included names, addresses, account details, and PINs.
Here’s how to find out which apps are leaking your personal data
The Lumen Privacy Monitor app was created to discover how much of your personal data is being sent to tracking services.
How a VPN works—and why experts think you should use one
Here's what you need to know about this reliable privacy tool.
Judge tosses lawsuit alleging Facebook eavesdrops on its users
Another defeat for Facebook opponents.
Everything you need to know about Facebook’s privacy policy
Locking down your Facebook account is easier than you think.
Students will betray their friends’ online privacy for pizza
98 percent of students gave away their friend's email address for pizza.
This tool exposes browsing habits on Capitol Hill
Privacy activists are fighting back.
How to safely access the deep web
Curious about the deep web? Here's everything you need to know to get started.