Hackers

Ransomware encrypts data on infected machines, then typically asks users to pay ransoms.

U.S. Defense Department has announced plans to attack ISIS "on all fronts."

The Caliphate Cyber Army attacked Add Google Online instead.

The website of Solar UK was hit with a cyber attack from the so-called Caliphate Cyber Army.

U.S. cyber intelligence firm iSight Partners linked the incident to a Russian hacking group known as "Sandworm."

Hackers responsible for Microsoft attacks tell 'Newsweek' they are "protesting major companies".

A suspected member of the Anonymous hacking collective was picked up by the FBI.

Cybersecurity experts tell Newsweek the decision of the L.A. hospital to pay hackers a ransom will lead to an increase in such attacks.

Patients at a California hospital have been forced to move to nearby medical facilities.

The 15-year-old, who uses the online moniker "Cracka", was arrested by police in the U.K.

Hundreds of North Korean state websites were knocked offline.

The Internet may seem like the Wild West, but these people are out to keep you safe: hackers.

Consumer watchdog advises parents on how best to protect Internet-enabled baby monitors from hackers.

Experts tell Newsweek more needs to be done to protect against disturbing baby monitor incidents.

Cybersecurity lapses have left critical Ukrainian infrastructure like a "powder keg", security researchers have said.

Hackers defaced Tsinghua University's website with an image of masked horsemen carrying an ISIS flag.

Russian hackers target facilities to further Putin's expansionist foreign policy.

A teenage hacker has taken control of the personal Verizon account of the U.S. Director of National Intelligence

Hackers targeting Donald Trump's website tell Newsweek that they will continue attacks against the presidential candidate.

The anti-ISIS New World Hackers group performed a cyber attack live on-air.

Alonzo Knowles, 23, allegedly offered to sell the stolen content to an undercover federal agent.

Infiltration raised concerns about security of U.S. infrastructure, Wall Street Journal says.

The social media company issues first-ever warning of hacking by "state-sponsored actors."

Keyboard warriors—official and otherwise—are trying to degrade and destroy ISIS's online propaganda efforts and expose its schemes.

The extremist group offer instructions to its members on how to avoid cyber attacks.

The hacking compromised information in 83 million household and small business accounts.

The online hackers said they will publish their list on Thursday.

Anonymous tweeted last week that it has seized a KKK Twitter account, and the personal information of hundreds of KKK members.

The Associated Press said the attempted hacks appeared to have been thwarted by threat-monitoring product.

Included in the data dump: usernames and email addresses, among other information.