Ukraine Aid Groups Targeted Through Fake Zoom Meetings and Weaponized PDF Files

Cybersecurity researchers have disclosed details of a coordinated spear-phishing campaign dubbed PhantomCaptcha targeting organizations associated with Ukraine’s war relief efforts to deliver a remote access trojan that uses a WebSocket for command-and-control (C2). The activity, which took place on October 8, 2025, targeted individual members of the International Red Cross, Norwegian Refugee Council, United Nations […]

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Chinese Threat Actors Exploit ToolShell SharePoint Flaw Weeks After Microsoft’s July Patch

Oct 22, 2025Ravie LakshmananCyber Espionage / Vulnerability Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025. Also targeted were government departments in an African country, as well as government agencies in […]

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Why You Should Swap Passwords for Passphrases

Oct 22, 2025The Hacker NewsData Breach / Enterprise Security The advice didn’t change for decades: use complex passwords with uppercase, lowercase, numbers, and symbols. The idea is to make passwords harder for hackers to crack via brute force methods. But more recent guidance shows our focus should be on password length, rather than complexity. Length […]

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Researchers Identify PassiveNeuron APT Using Neursite and NeuralExecutor Malware

Oct 22, 2025Ravie LakshmananCyber Espionage / Network Security Government, financial, and industrial organizations located in Asia, Africa, and Latin America are the target of a new campaign dubbed PassiveNeuron, according to findings from Kaspersky. The cyber espionage activity was first flagged by the Russian cybersecurity vendor in November 2024, when it disclosed a set of […]

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TARmageddon Flaw in Async-Tar Rust Library Could Enable Remote Code Execution

Oct 22, 2025Ravie LakshmananVulnerability / Data Protection Cybersecurity researchers have disclosed details of a high-severity flaw impacting the popular async-tar Rust library and its forks, including tokio-tar, that could result in remote code execution under certain conditions. The vulnerability, tracked as CVE-2025-62518 (CVSS score: 8.1), has been codenamed TARmageddon by Edera, which discovered the issue […]

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TP-Link Patches Four Omada Gateway Flaws, Two Allow Remote Code Execution

Oct 22, 2025Ravie LakshmananVulnerability / Network Security TP-Link has released security updates to address four security flaws impacting Omada gateway devices, including two critical bugs that could result in arbitrary code execution. The vulnerabilities in question are listed below – CVE-2025-6541 (CVSS score: 8.6) – An operating system command injection vulnerability that could be exploited […]

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PolarEdge Targets Cisco, ASUS, QNAP, Synology Routers in Expanding Botnet Campaign

Oct 21, 2025Ravie LakshmananMalware / Vulnerability Cybersecurity researchers have shed light on the inner workings of a botnet malware called PolarEdge. PolarEdge was first documented by Sekoia in February 2025, attributing it to a campaign targeting routers from Cisco, ASUS, QNAP, and Synology with the goal of corralling them into a network for an as-yet-undetermined […]

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Securing AI to Benefit from AI

Artificial intelligence (AI) holds tremendous promise for improving cyber defense and making the lives of security practitioners easier. It can help teams cut through alert fatigue, spot patterns faster, and bring a level of scale that human analysts alone can’t match. But realizing that potential depends on securing the systems that make it possible. Every […]

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Google Identifies Three New Russian Malware Families Created by COLDRIVER Hackers

Oct 21, 2025Ravie LakshmananCyber Espionage / Threat Intelligence A new malware attributed to the Russia-linked hacking group known as COLDRIVER has undergone numerous developmental iterations since May 2025, suggesting an increased “operations tempo” from the threat actor. The findings come from Google Threat Intelligence Group (GTIG), which said the state-sponsored hacking crew has rapidly refined […]

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Five New Exploited Bugs Land in CISA’s Catalog — Oracle and Microsoft Among Targets

Oct 20, 2025Ravie LakshmananThreat Intelligence / Data Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added five security flaws to its Known Exploited Vulnerabilities (KEV) Catalog, officially confirming a recently disclosed vulnerability impacting Oracle E-Business Suite (EBS) has been weaponized in real-world attacks. The security defect in question is CVE-2025-61884 (CVSS score: […]

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131 Chrome Extensions Caught Hijacking WhatsApp Web for Massive Spam Campaign

Oct 20, 2025Ravie LakshmananBrowser Security / Malware Cybersecurity researchers have uncovered a coordinated campaign that leveraged 131 rebranded clones of a WhatsApp Web automation extension for Google Chrome to spam Brazilian users at scale. The 131 spamware extensions share the same codebase, design patterns, and infrastructure, according to supply chain security company Socket. The browser […]

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MSS Claims NSA Used 42 Cyber Tools in Multi-Stage Attack on Beijing Time Systems

Oct 20, 2025Ravie LakshmananCyber Espionage / National Security China on Sunday accused the U.S. National Security Agency (NSA) of carrying out a “premeditated” cyber attack targeting the National Time Service Center (NTSC), as it described the U.S. as a “hacker empire” and the “greatest source of chaos in cyberspace.” The Ministry of State Security (MSS), […]

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Europol Dismantles SIM Farm Network Powering 49 Million Fake Accounts Worldwide

Oct 19, 2025Ravie LakshmananSIM Swapping / Cryptocurrency Europol on Friday announced the disruption of a sophisticated cybercrime-as-a-service (CaaS) platform that operated a SIM farm and enabled its customers to carry out a broad spectrum of crimes ranging from phishing to investment fraud. The coordinated law enforcement effort, dubbed Operation SIMCARTEL, saw 26 searches carried out, […]

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New .NET CAPI Backdoor Targets Russian Auto and E-Commerce Firms via Phishing ZIPs

Oct 18, 2025Ravie LakshmananThreat Intelligence / Cybercrime Cybersecurity researchers have shed light on a new campaign that has likely targeted the Russian automobile and e-commerce sectors with a previously undocumented .NET malware dubbed CAPI Backdoor. According to Seqrite Labs, the attack chain involves distributing phishing emails containing a ZIP archive as a way to trigger […]

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Researchers Uncover WatchGuard VPN Bug That Could Let Attackers Take Over Devices

Oct 17, 2025Ravie LakshmananVulnerability / VPN Security Cybersecurity researchers have disclosed details of a recently patched critical security flaw in WatchGuard Fireware that could allow unauthenticated attackers to execute arbitrary code. The vulnerability, tracked as CVE-2025-9242 (CVSS score: 9.3), is described as an out-of-bounds write vulnerability affecting Fireware OS 11.10.2 up to and including 11.12.4_Update1, […]

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Identity Security: Your First and Last Line of Defense

Oct 17, 2025The Hacker NewsArtificial Intelligence / Identity Security The danger isn’t that AI agents have bad days — it’s that they never do. They execute faithfully, even when what they’re executing is a mistake. A single misstep in logic or access can turn flawless automation into a flawless catastrophe. This isn’t some dystopian fantasy—it’s […]

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Microsoft Revokes 200 Fraudulent Certificates Used in Rhysida Ransomware Campaign

Oct 17, 2025Ravie LakshmananMalware / Cybercrime Microsoft on Thursday disclosed that it revoked more than 200 certificates used by a threat actor it tracks as Vanilla Tempest to fraudulently sign malicious binaries in ransomware attacks. The certificates were “used in fake Teams setup files to deliver the Oyster backdoor and ultimately deploy Rhysida ransomware,” the […]

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North Korean Hackers Use EtherHiding to Hide Malware Inside Blockchain Smart Contracts

Oct 16, 2025Ravie LakshmananMalware / Blockchain A threat actor with ties to the Democratic People’s Republic of Korea (aka North Korea) has been observed leveraging the EtherHiding technique to distribute malware and enable cryptocurrency theft, marking the first time a state-sponsored hacking group has embraced the method. The activity has been attributed by Google Threat […]

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Hackers Abuse Blockchain Smart Contracts to Spread Malware via Infected WordPress Sites

A financially motivated threat actor codenamed UNC5142 has been observed abusing blockchain smart contracts as a way to facilitate the distribution of information stealers such as Atomic (AMOS), Lumma, Rhadamanthys (aka RADTHIEF), and Vidar, targeting both Windows and Apple macOS systems. “UNC5142 is characterized by its use of compromised WordPress websites and ‘EtherHiding,’ a technique […]

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LinkPro Linux Rootkit Uses eBPF to Hide and Activates via Magic TCP Packets

Oct 16, 2025Ravie LakshmananVulnerability / Malware An investigation into the compromise of an Amazon Web Services (AWS)-hosted infrastructure has led to the discovery of a new GNU/Linux rootkit dubbed LinkPro, according to findings from Synacktiv. “This backdoor features functionalities relying on the installation of two eBPF [extended Berkeley Packet Filter] modules, on the one hand […]

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Beware the Hidden Costs of Pen Testing

Penetration testing helps organizations ensure IT systems are secure, but it should never be treated in a one-size-fits-all approach. Traditional approaches can be rigid and cost your organization time and money – while producing inferior results. The benefits of pen testing are clear. By empowering “white hat” hackers to attempt to breach your system using […]

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