Days after the global cyber attack, U.K. police are trying to figure out whether it was an established network of criminals, state-backed hackers or bored teenagers that crippled the country’s health service. The malware campaign affected more than 200,000 computers …
Governments turned their attention to a possible new wave of cyber threats on Tuesday after the group that leaked U.S. hacking tools used to launch the global WannaCry “ransomware” attack warned it would release more malicious code. The fast-spreading cyber …
Behind the rise of ransomware lies the rise of bitcoin, the virtual currency of choice for hacker blackmailers who steal huge amounts of sensitive data. That doesn’t mean bitcoin is inherently to blame, but it does suggest that business has …
Businesses that failed to update Microsoft Windows-based computer systems that were hit by a massive cyber attack over the weekend could be sued over their lax cyber security, but Microsoft Corp. itself enjoys strong protection from lawsuits, legal experts said. …
Many companies outside the United States may not have cover for a recent computer-system attack, leaving them potentially with millions of dollars of losses because there has been relatively little take-up of cyber insurance, insurers say. A massive ransomware worm …
Governments and companies around the world began to gain the upper hand against the first wave of an unrivaled global cyber attack, even as the assault was poised to continue claiming victims this week. More than 200,000 computers in at …
The cyber attack that spread rapidly around the globe was stifled when a security researcher disabled a key mechanism used by the worm to spread, but experts said the hackers were likely to return as many computers remain at risk. …
Extortionist hackers who may be using leaked computer exploits from the U.S. National Security Agency infiltrated computers in dozens of countries in a fast-spreading attack that forced British hospitals to turn away patients and breached systems at Spain’s Telefonica SA …
Suspected Russia-backed hackers have launched exploratory cyber attacks against the energy networks of the Baltic states, sources said, raising security concerns inside the West’s main military alliance, NATO. Lithuania, Latvia and Estonia, all members of NATO and the European Union, …
Ukraine on Wednesday accused Russian hackers of targeting its power grid, financial system and other infrastructure with a new type of virus that attacks industrial processes, the latest in a series of cyber offensives against the country. Oleksandr Tkachuk, Ukraine’s …
