Atlanta is still in the throes of a major cyberattack. How vulnerable are cities like Chicago to hackers using ransomware?

Facebook’s “disregard and misuse” of users’ personal data allowed a foreign firm to profile 50 million voters without their consent prior to the 2016 election, and according to a new lawsuit, it may have violated Illinois state law.

A British firm is accused of using personal Facebook data of millions to help Donald Trump’s presidential campaign in 2016.

Mayor Rahm Emanuel says the city is suing consumer reporting agency Equifax after last month’s massive breach that exposed 143 million consumers to possible identity theft—including 5.4 million Illinoisans.

The governor said a bill requiring mobile apps to seek users’ permission before collecting and sharing their geolocation data would cost the state jobs without “materially” improving privacy protections.

Some 143 million Americans may have had personal information stolen in the cyberattack of credit-reporting company Equifax. What you need to do immediately.

The man behind a weekly gathering of Chicago web developers tells us how they use their tech skills for good.

Of Illinois’ 12.8 million residents, an estimated 5.4 million may have been impacted by the Equifax data breach. We review what you can do to protect yourself from potential identity fraud.

Should cellphone users be better notified when apps seek their location data? Proponents of a new bill say more transparency is needed, but opponents say the measure is bad for business.

Can a collectible card game teach cybersecurity skills to middle school students? A UIC professor wants to get young people excited about computer science and interested in high-demand, high-paying careers.

President Donald Trump signed a law Monday night allowing internet providers to sell your browser history. How worried should you be?

How Hardik Bhatt wants to protect state agencies from hackers. 

The State Board of Elections computer hack may have been smaller than first thought. Now it seems the personal information of only 90,000 Illinois voters was compromised. How safe is voter information? We get the latest.

The FBI wants Apple to unlock an iPhone belonging to one of the people behind December's mass shooting in San Bernardino, California. Apple says it's taking a stand for privacy rights, while the FBI says it's merely trying to conduct the most thorough investigation possible.

We are joined by author Peter W. Singer to talk cybersecurity, his new book and what you need to know to protect yourself online. Read an excerpt.

In the wake of disclosures by former National Security Agency analyst Edward Snowden of massive and pervasive government surveillance, we talk with two cybersecurity experts.