Hundreds of planned medical operations and outpatient appointments at London hospitals were delayed last week, after a ransomware attack on a lab services provider that helps manage blood transfusions. The attack resulted in delays to more than 800 scheduled procedures …
The FBI said it has dismantled what is likely the world’s largest botnet — an army of 19 million infected computers — that was leased to hackers for cybercrimes. The botnet, which was spread across more than 190 countries, enabled …
The crypto sector suffered one of its biggest security incidents this year after a hacker swiped $63 million from a blockchain-based game. The game, Munchables, confirmed the incident in a post on X on Wednesday and said it would try …
A Russian state-sponsored hacking group that stole sensitive data from Microsoft Corp. executives is trying to leverage that information to compromise the company’s source code and internal systems, according to the technology giant. A hacking group Microsoft first identified in …
UnitedHealth Group Inc. services are starting to be restored more than two weeks after a cyberattack on its Change Healthcare subsidiary snarled the US health system. Some parts of the network that handle payments and medical claims will come back …
In a message posted to, and then quickly deleted from their darknet site, the hackers blamed for striking the UnitedHealth Group said on Wednesday they stole millions of sensitive records, including medical insurance and health data, from the company. In …
President Joe Biden will sign an executive order designed to implement new cybersecurity requirements for the nation’s port owners and operators amid growing concerns that hackers could roil crucial supply chains. The order will give the US Coast Guard new …
Nation-state hackers are using artificial intelligence to refine their cyberattacks, according to a report published by Microsoft Corp. on Wednesday. Russian, North Korean, Iranian and Chinese-backed adversaries were detected adding large-language models, like OpenAI’s ChatGPT, to their toolkit, often in …
Microsoft Corp. said a Russian-linked hacking group attacked its corporate systems, getting into a “small number” of email accounts, including those of senior leadership and employees who work in cybersecurity and legal. The company said it’s acting immediately to fix …
The US Justice Department seized websites belonging to a notorious Russian-speaking ransomware group, upending hackers that have extorted millions of dollars from victims around the world. The website for the extortion group BlackCat, also known as ALPHV or Noberus, on …