Ascension, a major U.S. health care system with 140 hospitals in 19 states, announced late Thursday that a cyberattack has caused disruptions at some of its hospitals. “Systems that are currently unavailable include our electronic health records system, MyChart (which enables patients to view their medical records and communicate with their providers), some phone systems, […]
(A) Illustrates the final training output of the network, highlighting the areas of class prediction. Shaded regions demarcate these areas, with individual point colors indicating the true labels of the corresponding test samples, demonstrating a general alignment between the network’s predictions and actual classifications. In (B), all test samples were subjected to gradient-based attacks, causing […]
Credit: Pixabay/CC0 Public Domain Cybersecurity programs vary dramatically across the country, a review has found. The authors argue that program leaders should work with professional societies to make sure graduates are well-trained to meet industry needs in a fast-changing field. In the review, published as part of the Proceedings of the 55th ACM Technical Symposium […]
Credit: Pixabay/CC0 Public Domain The news about the Israel-Hamas war is filled with reports of Israeli families huddling in fear from relentless rocket attacks, Israeli tanks and artillery flattening buildings in the Gaza Strip, hundreds of kidnapped hostages imprisoned in subterranean tunnels, and millions of people driven from their homes by fighting. But beyond the […]
Credit: CC0 Public Domain Unfortunately, hackers didn’t need sophisticated skills to pull off one of the nation’s most alarming and consequential health care ransomware attacks. Instead, the cybercriminals who crippled a UnitedHealth Group subsidiary earlier this year took advantage of a basic and obvious security oversight, a revelation made public Wednesday at two congressional hearings. […]
Credit: Pixabay/CC0 Public Domain Taiwan stands out as a beacon of democracy, innovation and resilience in an increasingly autocratic region. But this is under growing threat. In recent years, China has used a variety of “gray zone” tactics to pressure Taiwan to accept the Communist Party’s attempts at unification. This has included an onslaught of […]
A cyber-security experts hold a tablet at the Yves du Manoir stadium, Friday, May 3, 2024 in Colombes, outside Paris. Cyber-security teams working to protect the Paris Games from hackers and other attackers aren’t willing to divulge too much detail about their work. But they no doubt that cyber-criminals are going to keep them busy. […]
Credit: CC0 Public Domain A group of French parliamentarians has sounded the alarm over what they say is an inadequate government response to cyberattacks targeting their computers and attributed to China. The seven deputies and senators said they received virus-infected emails in 2021 sent by a hacker group called APT31, which several countries, including the […]
Credit: Pixabay/CC0 Public Domain Israel’s Iron Dome defense system has long shielded it from incoming rockets. Now it is building a “cyber dome” to defend against online attacks, especially from arch foe Iran. “It is a silent war, one which is not visible,” said Aviram Atzaba, the Israeli National Cyber Directorate’s head of international cooperation. […]
Ukrainian sentenced to 13 years in US prison for role in REvil ransomware attacks. A Ukrainian man was sentenced to more than 13 years in prison in Texas on Wednesday for his role in ransomware attacks by the notorious Russia-based REvil hacking group, the US Justice Department said. Yaroslav Vasinskyi, 24, who was extradited to […]
Andrew Witty, Chief Executive Officer of UnitedHealth Group, testifies at a Senate Finance Committee hearing examining cyber attacks on health care, and the Change Healthcare cyber attack, Wednesday, May 1, 2024, on Capitol Hill in Washington. Credit: AP Photo/Jacquelyn Martin The Change Healthcare cyberattack that disrupted health care systems nationwide earlier this year started when […]
Credit: CC0 Public Domain A feature of the simmering tensions between the US, Israel and Iran has been not just the tit-for-tat missile and drone strikes and assassinations, but accusations of cyberwarfare waged by Iran. On April 23, the US Treasury announced it was sanctioning two Iranian companies and four Iranian individuals for conducting malicious […]
Credit: Pixabay/CC0 Public Domain Qantas apologized Wednesday after a “technology issue” with its mobile app exposed users’ travel details including their names, flights and points. Many frequent fliers posted on social media that they were seeing other passengers’ names, accounts, flight plans, points, and boarding passes. Some reported that the glitch persisted even after the […]
Overview of Latent Guard. Firstly, the team compiled a dataset of safe and unsafe prompts centered around blacklisted concepts (left). Then, they leveraged pre-trained textual encoders to extract features and map them to a learned latent space with their Embedding Mapping Layer (center). Only the Embedding Mapping Layer is trained, while all other parameters are […]
Credit: Pixabay/CC0 Public Domain A team of researchers from the Institute IMDEA Software, Universidad Carlos III de Madrid and NEC Laboratories Europe has introduced a novel framework that promises to improve the efficiency and practicality of verifiable computing. The research, detailed in the paper “Modular Sumcheck Proofs with Applications to Machine Learning and Image Processing” […]
Credit: CC0 Public Domain About 25,500 Philadelphia Inquirer subscribers, employees, former employees, and employees’ family members on company benefit plans may have had their personal information exposed in a May cyberattack, Inquirer publisher and chief executive officer Lisa Hughes said April 26. The company announced in an internal email to employees that outside cybersecurity experts […]
Credit: Pixabay/CC0 Public Domain The Georgia county where tech experts copied the state’s election software after the 2020 election was hit by a cyberattack in April. The secretary of state’s office confirmed the Coffee County cyberattack late April 26 and severed the county’s connection to Georgia’s voter registration system as a precaution. “We took immediate […]
Credit: AI-generated image In February, OpenAI released videos created by its generative artificial intelligence program Sora. The strikingly realistic content, produced via simple text prompts, is the latest breakthrough for companies demonstrating the capabilities of AI technology. It also raised concerns about generative AI’s potential to enable the creation of misleading and deceiving content on […]
Credit: Pixabay/CC0 Public Domain Australia’s top spy on Wednesday urged greater cooperation from the big tech companies, asking them to break a long-held industry taboo by providing access to encrypted messages. Intelligence chief Mike Burgess said encrypted messaging had compromised the ability to root out threats, and said tech companies had a duty to break […]
A person works on a laptop in North Andover, Mass., on June 19, 2017. Cyberattacks on businesses are rising, including small businesses. It’s a troubling trend that can be very costly and time consuming if owners don’t have a plan to deal with them. Credit: AP Photo/Elise Amendola, File Cyberattacks on businesses are rising, including […]
Pages from the United Healthcare website are displayed on a computer screen, Feb. 29, 2024, in New York. UnitedHealth says files with personal information that could cover “a substantial portion of people in America” may have been taken in the cyberattack on its Change Healthcare business. The company said Monday, April 22, 2024 after markets […]
