Cybersecurity researchers have warned of an actively expanding botnet dubbed Tsundere that’s targeting Windows users. Active since mid-2025, the threat is designed to execute arbitrary JavaScript code retrieved from a command-and-control (C2) server, Kaspersky researcher Lisandro Ubiedo said in an…
Category: The Hacker News
ShadowRay 2.0 Exploits Unpatched Ray Flaw to Build Self-Spreading GPU Cryptomining Botnet
Oligo Security has warned of ongoing attacks exploiting a two-year-old security flaw in the Ray open-source artificial intelligence (AI) framework to turn infected clusters with NVIDIA GPUs into a self-replicating cryptocurrency mining botnet. The activity, codenamed ShadowRay 2.0, is an…
ThreatsDay Bulletin: 0-Days, LinkedIn Spies, Crypto Crimes, IoT Flaws and New Malware Waves
This week has been crazy in the world of hacking and online security. From Thailand to London to the US, we’ve seen arrests, spies at work, and big power moves online. Hackers are getting caught. Spies are getting better at…
New Sturnus Android Trojan Quietly Captures Encrypted Chats and Hijacks Devices
Cybersecurity researchers have disclosed details of a new Android banking trojan called Sturnus that enables credential theft and full device takeover to conduct financial fraud. “A key differentiator is its ability to bypass encrypted messaging,” ThreatFabric said in a report…
CTM360 Exposes a Global WhatsApp Hijacking Campaign: HackOnChat
CTM360 has identified a rapidly expanding WhatsApp account-hacking campaign targeting users worldwide via a network of deceptive authentication portals and impersonation pages. The campaign, internally dubbed HackOnChat, abuses WhatsApp’s familiar web interface, using social engineering tactics to trick users into…
Iran-Linked Hackers Mapped Ship AIS Data Days Before Real-World Missile Strike Attempt
Threat actors with ties to Iran engaged in cyber warfare as part of efforts to facilitate and enhance physical, real-world attacks, a trend that Amazon has called cyber-enabled kinetic targeting. The development is a sign that the lines between state-sponsored…
TamperedChef Malware Spreads via Fake Software Installers in Ongoing Global Campaign
Threat actors are leveraging bogus installers masquerading as popular software to trick users into installing malware as part of a global malvertising campaign dubbed TamperedChef. The end goal of the attacks is to establish persistence and deliver JavaScript malware that…
Hackers Actively Exploiting 7-Zip Symbolic Link–Based RCE Vulnerability (CVE-2025-11001)
A recently disclosed security flaw impacting 7-Zip has come under active exploitation in the wild, according to an advisory issued by the U.K. NHS England Digital on Tuesday. The vulnerability in question is CVE-2025-11001 (CVSS score: 7.0), which allows remote…
Python-Based WhatsApp Worm Spreads Eternidade Stealer Across Brazilian Devices
Cybersecurity researchers have disclosed details of a new campaign that leverages a combination of social engineering and WhatsApp hijacking to distribute a Delphi-based banking trojan named Eternidade Stealer as part of attacks targeting users in Brazil. “It uses Internet Message…
WrtHug Exploits Six ASUS WRT Flaws to Hijack Tens of Thousands of EoL Routers Worldwide
A newly discovered campaign has compromised tens of thousands of outdated or end-of-life (EoL) ASUS routers worldwide, predominantly in Taiwan, the U.S., and Russia, to rope them into a massive network. The router hijacking activity has been codenamed Operation WrtHug…
Application Containment: How to Use Ringfencing to Prevent the Weaponization of Trusted Software
The challenge facing security leaders is monumental: Securing environments where failure is not an option. Reliance on traditional security postures, such as Endpoint Detection and Response (EDR) to chase threats after they have already entered the network, is fundamentally risky…
ServiceNow AI Agents Can Be Tricked Into Acting Against Each Other via Second-Order Prompts
Malicious actors can exploit default configurations in ServiceNow’s Now Assist generative artificial intelligence (AI) platform and leverage its agentic capabilities to conduct prompt injection attacks. The second-order prompt injection, according to AppOmni, makes use of Now Assist’s agent-to-agent discovery to…
EdgeStepper Implant Reroutes DNS Queries to Deploy Malware via Hijacked Software Updates
The threat actor known as PlushDaemon has been observed using a previously undocumented Go-based network backdoor codenamed EdgeStepper to facilitate adversary-in-the-middle (AitM) attacks. EdgeStepper “redirects all DNS queries to an external, malicious hijacking node, effectively rerouting the traffic from legitimate…
Fortinet Warns of New FortiWeb CVE-2025-58034 Vulnerability Exploited in the Wild
Fortinet has warned of a new security flaw in FortiWeb that it said has been exploited in the wild. The medium-severity vulnerability, tracked as CVE-2025-58034, carries a CVSS score of 6.7 out of a maximum of 10.0. “An Improper Neutralization…
Sneaky 2FA Phishing Kit Adds BitB Pop-ups Designed to Mimic the Browser Address Bar
The malware authors associated with a Phishing-as-a-Service (PhaaS) kit known as Sneaky 2FA have incorporated Browser-in-the-Browser (BitB) functionality into their arsenal, underscoring the continued evolution of such offerings and further making it easier for less-skilled threat actors to mount attacks…
Meta Expands WhatsApp Security Research with New Proxy Tool and $4M in Bounties This Year
Meta on Tuesday said it has made available a tool called WhatsApp Research Proxy to some of its long-time bug bounty researchers to help improve the program and more effectively research the messaging platform’s network protocol. The idea is to…
Seven npm Packages Use Adspect Cloaking to Trick Victims Into Crypto Scam Pages
Cybersecurity researchers have discovered a set of seven npm packages published by a single threat actor that leverages a cloaking service called Adspect to differentiate between real victims and security researchers to ultimately redirect them to sketchy crypto-themed sites. The…
Beyond IAM Silos: Why the Identity Security Fabric is Essential for Securing AI and Non-Human Identities
Identity security fabric (ISF) is a unified architectural framework that brings together disparate identity capabilities. Through ISF, identity governance and administration (IGA), access management (AM), privileged access management (PAM), and identity threat detection and response (ITDR) are all integrated into…
Iranian Hackers Use DEEPROOT and TWOSTROKE Malware in Aerospace and Defense Attacks
Suspected espionage-driven threat actors from Iran have been observed deploying backdoors like TWOSTROKE and DEEPROOT as part of continued attacks aimed at aerospace, aviation, and defense industries in the Middle East. The activity has been attributed by Google-owned Mandiant to…
Researchers Detail Tuoni C2’s Role in an Attempted 2025 Real-Estate Cyber Intrusion
Cybersecurity researchers have disclosed details of a cyber attack targeting a major U.S.-based real-estate company that involved the use of a nascent command-and-control (C2) and red teaming framework known as Tuoni. “The campaign leveraged the emerging Tuoni C2 framework, a…