Cloudflare on Thursday said it autonomously blocked the largest ever distributed denial-of-service (DDoS) attack ever recorded, which hit a peak of 7.3 terabits per second (Tbps). The attack, which was detected in mid-May 2025, targeted an unnamed hosting provider. “Hosting providers and critical Internet infrastructure have increasingly become targets of DDoS attacks,” Cloudflare’s Omer
A new attack technique could be used to bypass Microsoft’s Driver Signature Enforcement (DSE) on fully patched Windows systems, leading to operating system (OS) downgrade attacks. “This bypass allows loading unsigned kernel drivers, enabling attackers to deploy custom rootkits that can neutralize security controls, hide processes and network activity, maintain stealth, and much more,” SafeBreach
Cybersecurity researchers have detailed two novel methods that can be used to disrupt cryptocurrency mining botnets. The methods take advantage of the design of various common mining topologies in order to shut down the mining process, Akamai said in a new report published today. “We developed two techniques by leveraging the mining topologies and pool…
A Russian-speaking cybercrime gang known as Crazy Evil has been linked to over 10 active social media scams that leverage a wide range of tailored lures to deceive victims and trick them into installing malware such as StealC, Atomic macOS Stealer (aka AMOS), and Angel Drainer. “Specializing in identity fraud, cryptocurrency theft, and information-stealing malware,…
Nation-state threat actors backed by Beijing broke into a “handful” of U.S. internet service providers (ISPs) as part of a cyber espionage campaign orchestrated to glean sensitive information, The Wall Street Journal reported Wednesday. The activity has been attributed to a threat actor that Microsoft tracks as Salt Typhoon, which is also known as FamousSparrow…
Cybersecurity researchers have warned of a new scam campaign that leverages fake video conferencing apps to deliver an information stealer called Realst targeting people working in Web3 under the guise of fake business meetings. “The threat actors behind the malware have set up fake companies using AI to make them increase legitimacy,” Cado Security researcher…
The U.S. government on Tuesday announced the launch of the U.S. Cyber Trust Mark, a new cybersecurity safety label for Internet-of-Things (IoT) consumer devices. “IoT products can be susceptible to a range of security vulnerabilities,” the U.S. Federal Communications Commission (FCC) said. “Under this program, qualifying consumer smart products that meet robust cybersecurity standards will…
Japanese and U.S. authorities have formerly attributed the theft of cryptocurrency worth $308 million from cryptocurrency company DMM Bitcoin in May 2024 to North Korean cyber actors. “The theft is affiliated with TraderTraitor threat activity, which is also tracked as Jade Sleet, UNC4899, and Slow Pisces,” the agencies said. “TraderTraitor activity is often characterized by…
Two critical security flaws impacting the Spam protection, Anti-Spam, and FireWall plugin WordPress could allow an unauthenticated attacker to install and enable malicious plugins on susceptible sites and potentially achieve remote code execution. The vulnerabilities, tracked as CVE-2024-10542 and CVE-2024-10781, carry a CVSS score of 9.8 out of a maximum of 10.0. They were addressed…
A new malware campaign is exploiting a weakness in Discord’s invitation system to deliver an information stealer called Skuld and the AsyncRAT remote access trojan. “Attackers hijacked the links through vanity link registration, allowing them to silently redirect users from trusted sources to malicious servers,” Check Point said in a technical report. “The attackers combined…
