APT24 Deploys BADAUDIO in Years-Long Espionage Hitting Taiwan and 1,000+ Domains

A China-nexus threat actor known as APT24 has been observed using a previously undocumented malware dubbed BADAUDIO to establish persistent remote access to compromised networks as part of a nearly three-year campaign. “While earlier operations relied on broad strategic web compromises to compromise legitimate websites, APT24 has recently pivoted to using more sophisticated vectors targeting […]

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Salesforce Flags Unauthorized Data Access via Gainsight-Linked OAuth Activity

Nov 21, 2025Ravie LakshmananData Breach / SaaS Security Salesforce has warned of detected “unusual activity” related to Gainsight-published applications connected to the platform. “Our investigation indicates this activity may have enabled unauthorized access to certain customers’ Salesforce data through the app’s connection,” the company said in an advisory. The cloud services firm said it has […]

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ShadowRay 2.0 Exploits Unpatched Ray Flaw to Build Self-Spreading GPU Cryptomining Botnet

Nov 20, 2025Ravie LakshmananVulnerability / Cloud Computing 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 evolution of a prior wave that was observed […]

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Tsundere Botnet Expands Using Game Lures and Ethereum-Based C2 on Windows

Nov 20, 2025Ravie LakshmananBotnet / Malware 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 analysis published today. There are currently no details on […]

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CTM360 Exposes a Global WhatsApp Hijacking Campaign: HackOnChat

Nov 20, 2025The Hacker NewsOnline Fraud / Web Security 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 compromising their accounts. Investigators identified thousands […]

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New Sturnus Android Trojan Quietly Captures Encrypted Chats and Hijacks Devices

Nov 20, 2025Ravie LakshmananMalware / Mobile Security 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 shared with The Hacker News. “By capturing content […]

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Iran-Linked Hackers Mapped Ship AIS Data Days Before Real-World Missile Strike Attempt

Nov 20, 2025Ravie LakshmananCyber Warfare / Threat Intelligence 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 cyber attacks and kinetic warfare are increasingly […]

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TamperedChef Malware Spreads via Fake Software Installers in Ongoing Global Campaign

Nov 20, 2025Ravie LakshmananMalvertising / Artificial Intelligence 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 facilitates remote access and control, per a new […]

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Hackers Actively Exploiting 7-Zip Symbolic Link–Based RCE Vulnerability (CVE-2025-11001)

Nov 19, 2025Ravie LakshmananVulnerability / Threat Intelligence 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 attackers to execute arbitrary code. It has been […]

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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 Access Protocol (IMAP) to dynamically retrieve command-and-control (C2) addresses, allowing the threat actor to update […]

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WrtHug Exploits Six ASUS WRT Flaws to Hijack Tens of Thousands of EoL Routers Worldwide

Nov 19, 2025Ravie LakshmananVulnerability / Threat Intelligence 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 by SecurityScorecard’s STRIKE team. Southeast Asia and European […]

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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 and contributes significantly to the half-trillion-dollar annual cost of cybercrime. Zero Trust fundamentally shifts this […]

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EdgeStepper Implant Reroutes DNS Queries to Deploy Malware via Hijacked Software Updates

Nov 19, 2025Ravie LakshmananCyber Espionage / Malware 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 infrastructure used for software updates to attacker-controlled infrastructure,” […]

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ServiceNow AI Agents Can Be Tricked Into Acting Against Each Other via Second-Order Prompts

Nov 19, 2025Ravie LakshmananAI Security / SaaS Security 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 execute unauthorized actions, enabling attackers to copy […]

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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 at scale. Push Security, in a report shared with The Hacker News, said it observed […]

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Researchers Detail Tuoni C2’s Role in an Attempted 2025 Real-Estate Cyber Intrusion

Nov 18, 2025Ravie LakshmananMalware / Social Engineering 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 relatively new, command-and-control (C2) tool (with a free […]

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Iranian Hackers Use DEEPROOT and TWOSTROKE Malware in Aerospace and Defense Attacks

Nov 18, 2025Ravie LakshmananCyber Espionage / Malware 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 a threat cluster tracked as UNC1549 (aka Nimbus […]

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Microsoft Mitigates Record 15.72 Tbps DDoS Attack Driven by AISURU Botnet

Nov 18, 2025Ravie LakshmananIoT Security / Botnet Microsoft on Monday disclosed that it automatically detected and neutralized a distributed denial-of-service (DDoS) attack targeting a single endpoint in Australia that measured 15.72 terabits per second (Tbps) and nearly 3.64 billion packets per second (pps). The tech giant said it was the largest DDoS attack ever observed […]

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Google Issues Security Fix for Actively Exploited Chrome V8 Zero-Day Vulnerability

Nov 18, 2025Ravie LakshmananBrowser Security / Vulnerability Google on Monday released security updates for its Chrome browser to address two security flaws, including one that has come under active exploitation in the wild. The vulnerability in question is CVE-2025-13223 (CVSS score: 8.8), a type confusion vulnerability in the V8 JavaScript and WebAssembly engine that could […]

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New EVALUSION ClickFix Campaign Delivers Amatera Stealer and NetSupport RAT

Nov 17, 2025Ravie Lakshmanan Cybersecurity researchers have discovered malware campaigns using the now-prevalent ClickFix social engineering tactic to deploy Amatera Stealer and NetSupport RAT. The activity, observed this month, is being tracked by eSentire under the moniker EVALUSION. First spotted in June 2025, Amatera is assessed to be an evolution of ACR (short for “AcridRain”) […]

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5 Reasons Why Attackers Are Phishing Over LinkedIn

Phishing attacks are no longer confined to the email inbox, with 1 in 3 phishing attacks now taking place over non-email channels like social media, search engines, and messaging apps. LinkedIn in particular has become a hotbed for phishing attacks, and for good reason. Attackers are running sophisticated spear-phishing attacks against company executives, with recent […]

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RondoDox Exploits Unpatched XWiki Servers to Pull More Devices Into Its Botnet

Nov 15, 2025Ravie LakshmananMalware / Vulnerability The botnet malware known as RondoDox has been observed targeting unpatched XWiki instances against a critical security flaw that could allow attackers to achieve arbitrary code execution. The vulnerability in question is CVE-2025-24893 (CVSS score: 9.8), an eval injection bug that could allow any guest user to perform arbitrary […]

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