RANSOMWARE

Users of a popular file-sharing program on Mac computers risk a ransomware attack that encrypts data and extorts a bitcoin payment.

Ransomware is one of the fastest-growing types of cyberthreats.

Hackers in Turkey claim they will continue to attack U.S. targets as long as the government supports Kurdish rebels.

The only way to prepare for an attack? Start backing up your computer regularly.

The ransom demand comes after malware is detected on the computer network of Hollywood Presbyterian Medical Center.

Cybercrime operations are increasingly being run like professional businesses — but don't expect to see any IPOs.

With cyberattacks gaining in sophistication and volume, we can expect to see a range of new targets in the year ahead.

Drive-by downloads, widely used on illegal piracy sites, don’t require a user to even click a link in order to allow the bug in.

A new type of ransomware is attempting to turn victims of cybercrime into perpetrators by tempting them to spread the malware to more victims.

The healthcare industry is already breached more often than any other, and ransomware is sophisticated enough to stump the FBI.

Watch out for this malware by avoiding phishing emails or by backing up your hard drive.

Attackers encrypt a user's data and typically give them between 72 hours and one week to pay up.

Attacks by hackers holding access to computers for ransom are typically traced back to Russia or Eastern Europe, where technical skills are in heavy supply, but jobs aren't.

Russian hackers spreading a piece of Android malware disguised as a porn app are targeting users in the U.S., demanding a ransom of $500.

Adult Player, a porn app for Android smartphones, secretly takes pictures of users before locking their device and demanding a $500 ransom.

The world's leading dating website, Match.com, has been putting customers at risk by hosting a malvertising campaign on its U.K. site.

Bogachev led a heist that stole $100 million from American bank accounts.

The campaign was first launched in earnest when the U.S. introduced new sanctions against the Russian government.

Eastern European hackers have infected nearly a million Android owners with a new kind of malware.

The botnet GameOver Zeus is believed to be responsible for more than $100 million in damages to consumers and businesses.

Apple didn't provide any additional information about how "Oleg Pliss" was able to lock Australian iPhones and hold them for ransom.