Part of a wave of DDoS attacks that lasted for weeks, the assault was a UDP flood mainly originating from Google Cloud. The post Cloudflare Blocks Record-Breaking 11.5 Tbps DDoS Attack appeared first on SecurityWeek.
The transaction is valued up to $150 million, including performance-based retention awards, a Varonis spokesperson told SecurityWeek. The post Varonis Acquires Email Security Firm SlashNext appeared first on SecurityWeek.
Cybersecurity researchers have disclosed a stealthy new backdoor called MystRodX that comes with a variety of features to capture sensitive data from compromised systems. “MystRodX is a typical backdoor implemented in C++, supporting features like file management, port forwarding, reverse shell, and socket management,” QiAnXin XLab said in a reportRead More »Researchers Warn of MystRodX Backdoor Using DNS and ICMP Triggers for Stealthy Control
The Midnight Blizzard cyberspies used compromised websites to trick users into authorizing devices they controlled. The post Amazon Disrupts Russian Hacking Campaign Targeting Microsoft Users appeared first on SecurityWeek.
The vulnerability (CVE-2025-55177) was exploited along an iOS/macOS zero-day in suspected spyware attacks. The post WhatsApp Zero-Day Exploited in Attacks Targeting Apple Users appeared first on SecurityWeek.
The Harsh Truths of AI Adoption MITs State of AI in Business report revealed that while 40% of organizations have purchased enterprise LLM subscriptions, over 90% of employees are actively using AI tools in their daily work. Similarly, research from Harmonic Security found that 45.4% of sensitive AI interactions areRead More »Shadow AI Discovery: A Critical Part of Enterprise AI Governance
In the early 1960s, National Security Agency cryptanalyst and cryptanalysis instructor Lambros D. Callimahos coined the term “Stethoscope” to describe a diagnostic computer program used to unravel the internal structure of pre-computer ciphertexts. The term appears in the newly declassified September 1965 document Cryptanalytic Diagnosis with the Aid of aRead More »1965 Cryptanalysis Training Workbook Released by the NSA
Cybersecurity researchers have flagged a Ukrainian IP network for engaging in massive brute-force and password spraying campaigns targeting SSL VPN and RDP devices between June and July 2025. The activity originated from a Ukraine-based autonomous system FDN3 (AS211736), per French cybersecurity company Intrinsec. “We believe with a high level ofRead More »Ukrainian Network FDN3 Launches Massive Brute-Force Attacks on SSL VPN and RDP Devices
When you visit almost any website, you’ll see a pop-up asking you to accept, decline, or customize the cookies it collects. Sometimes, it just tells you that cookies are in use by default. We randomly checked 647 websites, and 563 of them displayed cookie notifications. Most of the time, usersRead More »Cookies and how to bake them: what they are for, associated risks, and what session hijacking has to do with it
The threat actor known as Silver Fox has been attributed to abuse of a previously unknown vulnerable driver associated with WatchDog Anti-malware as part of a Bring Your Own Vulnerable Driver (BYOVD) attack aimed at disarming security solutions installed on compromised hosts. The vulnerable driver in question is “amsdk.sys” (versionRead More »Silver Fox Exploits Microsoft-Signed WatchDog Driver to Deploy ValleyRAT Malware
