Security

Ransomware attack before holiday leaves companies scrambling

Businesses around the world rushed Saturday to contain a ransomware attack that has paralyzed their computer networks, a situation complicated in the U.S. by offices lightly staffed at the start of the Fourth of July holiday ...

Security

Costa Rica chaos a warning that ransomware threat remains

Teachers unable to get paychecks. Tax and customs systems paralyzed. Health officials unable to access medical records or track the spread of COVID-19. A country's president declaring war against foreign hackers saying they ...

Security

More than 90% of cyberattacks are made possible by human error

In a ransomware attack, a company's computer systems are locked, and the attacker demands a ransom in cryptocurrency in return for unlocking the system. Malware infects a network of objects connected to the Internet of Things ...

Security

Ransomware attack locks down US prison

A ransomware attack locked down a US jail, knocking out security cameras and leaving inmates confined to their cells, court documents show.

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