Machine unlearning gets a practical privacy upgrade 2025-07-17 at 09:08 By Mirko Zorz Machine learning models are everywhere now, from chatbots to credit scoring tools, and they carry traces of the data they were trained on. When someone asks to have their personal data erased under laws like the GDPR, their data also needs to […]
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AsyncRAT evolves as ESET tracks its most popular malware forks 2025-07-15 at 12:50 By Sinisa Markovic AsyncRAT is an open-source remote access trojan that first appeared on GitHub in 2019. It includes a range of typical RAT capabilities, such as keylogging, screen capture, credential theft, and more. Its simplicity and open-source design have made it
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Train Hack Gets Proper Attention After 20 Years: Researcher 2025-07-14 at 18:22 By Eduard Kovacs A vulnerability affecting systems named End-of-Train and Head-of-Train can be exploited by hackers to cause trains to brake. The post Train Hack Gets Proper Attention After 20 Years: Researcher appeared first on SecurityWeek. This article is an excerpt from SecurityWeek
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ClickFix attacks skyrocketing more than 500% 2025-06-26 at 12:02 By Sinisa Markovic ClickFix, a deceptive attack method, saw a surge of more than 500% in the first half of 2025, making it the second most common attack vector after phishing, according to ESET’s latest Threat Report. The report, which looks at trends from December 2024
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The tiny amplifier that could supercharge quantum computing 2025-06-25 at 09:34 By Anamarija Pogorelec Quantum computers are built to handle problems that are far too complex for today’s machines. They could lead to major advances in areas like drug development, encryption, AI, and logistics. Photo by Chalmers University of Technology Now, researchers at Chalmers University
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CURBy: A quantum random number generator you can verify 2025-06-17 at 08:01 By Sinisa Markovic NIST and the University of Colorado Boulder have created a public service that delivers random numbers using quantum mechanics. Called the Colorado University Randomness Beacon (CURBy), the system offers a daily stream of certifiable random numbers generated through a process
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Enemies with benefits: RansomHub and rival gangs share EDRKillShifter tool 2025-03-26 at 17:02 By Help Net Security ESET researchers have published an in-depth analysis highlighting significant shifts within the ransomware landscape, spotlighting the rise of RansomHub. This relatively new ransomware-as-a-service operation has quickly come to dominate the scene. “The fight against ransomware reached two milestones
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China-linked FamousSparrow APT group resurfaces with enhanced capabilities 2025-03-26 at 17:02 By Help Net Security ESET investigated suspicious activity on the network of a trade group in the United States that operates in the financial sector. While helping the affected entity remediate the compromise, they made an unexpected discovery in the victim’s system: malicious tools
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Hackers pose as employers to steal crypto, login credentials 2025-02-20 at 12:03 By Help Net Security Since early 2024, ESET researchers have been tracking DeceptiveDevelopment, a series of malicious campaigns linked to North Korea-aligned operators. Disguising themselves as software development recruiters, these threat actors lure victims with fake job offers and deliver software projects embedded
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New UEFI Secure Boot bypass vulnerability discovered (CVE-2024-7344) 2025-01-16 at 12:03 By Help Net Security ESET researchers have identified a vulnerability (CVE-2024-7344) impacting most UEFI-based systems, which allows attackers to bypass UEFI Secure Boot. The issue was found in a UEFI application signed with Microsoft’s “Microsoft Corporation UEFI CA 2011” third-party certificate. Exploiting this vulnerability
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BadRAM: $10 hack unlocks AMD encrypted memory 2024-12-11 at 13:16 By Mirko Zorz Cybersecurity researchers have identified a vulnerability (CVE-2024-21944, aka BadRAM) affecting ADM processors that can be triggered by rogue memory modules to unlock the chips’ encrypted memory. The SPD chip can be modified using an off-the-shelf microcontroller. The researchers used a Raspberry Pi
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Data scientists create tool to spot fake images 2024-12-02 at 06:02 By Help Net Security Pixelator v2 is a tool to spot fake images. It uses a new combination of image veracity techniques with capability beyond what can be seen by the human eye. It can identify subtle differences in images with greater accuracy than
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ESET researchers analyze first UEFI bootkit for Linux systems 2024-11-27 at 18:18 By Help Net Security ESET Research has discovered the first UEFI bootkit designed for Linux systems, named Bootkitty by its creators. Researchers believe this bootkit is likely an initial proof of concept, and based on ESET telemetry, it has not been deployed in
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What bots mean for businesses and consumers 2024-10-02 at 06:31 By Help Net Security Simple bots have existed since the early to mid-2000s when organizations had no means to protect themselves or their website’s users from them. Yet today, despite having tools to protect against these simple bots, two in three organizations have made no
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Open source maintainers: Key to software health and security 2024-09-30 at 07:01 By Help Net Security Open source has become the foundation of modern application development, with up to 98% of applications incorporating open-source components and open-source code accounting for 70% or more of the typical application. In this Help Net Security video, Donald Fischer,
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New MIT protocol protects sensitive data during cloud-based computation 2024-09-26 at 12:02 By Help Net Security Deep-learning models have found applications across various industries, from healthcare diagnostics to financial forecasting. However, their high computational demands often require powerful cloud-based servers. This dependency on cloud computing raises notable security concerns, particularly in sensitive sectors like healthcare.
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Rethinking privacy: A tech expert’s perspective 2024-09-26 at 06:33 By Help Net Security Data privacy has become one of the most pressing challenges of our time, but it didn’t happen overnight. The proliferation of data collection, coupled with the rise of advanced technologies like artificial intelligence and machine learning, has made it easier to piece
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Vulnerability allows Yubico security keys to be cloned 2024-09-04 at 13:31 By Zeljka Zorz Researchers have unearthed a cryptographic vulnerability in popular Yubico (FIDO) hardware security keys and modules that may allow attackers to clone the devices. But the news is not as catastrophic as it may seem at first glance. “The attacker would need
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Stolen, locked payment cards can be used with digital wallet apps 2024-08-19 at 21:32 By Zeljka Zorz Fraudsters can add stolen payment cards to digital wallet apps and continue making online purchases even after victims’ report the card stolen and the bank blocks it, computer engineers with University of Massachusetts Amherst and Pennsylvania State University
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“Perfect” Windows downgrade attack turns fixed vulnerabilities into zero-days 2024-08-08 at 13:01 By Zeljka Zorz A researcher has developed a downgrade attack that can make Windows machines covertly, persistently and irreversibly vulnerable, even if they were fully patched before that. A downgrade attack exploiting the Windows Update process The direction of SafeBreach researcher Alon Leviev’s
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