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AI model beats CAPTCHA every time

A trio of AI researchers at ETH Zurich, Switzerland, has modified an AI-based, picture-processing model to solve Google's reCAPTCHAv2 human-testing system.

Encrypted 'Ghost' app: What we know

Police revealed Tuesday they had infiltrated and taken down an encrypted chat app called Ghost used by criminals across the world.

'Good complexity' can make hospital networks more cybersecure

In May, a major cyberattack disabled clinical operations for nearly a month at Ascension, a health care provider that includes 140 hospitals across the U.S. Investigators tracked the problem to malicious ransomware that had ...

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London hospitals hit by cyber attack

Major London hospitals cancelled some operations on Tuesday after a cyber-attack on a key service supplier had a "major impact", particularly on blood transfusions, the National Health Service (NHS) said.

Russia ramps up disinfo ahead of Paris Games: Microsoft

Russia is waging an intense disinformation campaign aimed at tarnishing the reputation of the International Olympic Committee and stoking fears of violence at this summer's Paris Games, according to a new report from Microsoft's ...

Four arrested in international anti-malware sweep

Authorities arrested four people and took down or disrupted more than 100 servers in the "largest ever" operation against botnets that deploy ransomware, Europol said Thursday.