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6,903 results in Threat Reports
ARToken PhaaS Unveiled: A New Threat to Microsoft 365 Security
In July 2026, Cisco Talos researchers uncovered 'ARToken,' a phishing-as-a-service (PhaaS) platform affiliated with the EvilTokens phishing toolkit. ARToken enables attackers to compromise Microsoft 365 accounts by stealing authentication tokens, establishing persistent access via Primary Refresh Tokens (PRTs), and accessing services like Outlook, SharePoint, and OneDrive. The platform also automates business email compromise (BEC) operations and deploys phishing infrastructure through Cloudflare Workers. ([bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/artoken-phaas-exposes-eviltokens-microsoft-365-phishing-toolkit/?utm_source=openai)) This incident highlights the evolving sophistication of phishing platforms, which now offer advanced capabilities to bypass multi-factor authentication and maintain prolonged access to compromised accounts. Organizations must enhance their security measures to counteract these advanced threats.
North Korean Malicious npm Packages Mimic Rollup Polyfills to Steal Developer Secrets
In July 2026, cybersecurity researchers identified a campaign by North Korean threat actors involving malicious npm packages disguised as Rollup polyfill tools. These packages, including 'rollup-packages-polyfill-core' and 'rollup-runtime-polyfill-core,' closely mimicked legitimate projects to deceive developers. Upon installation, they executed hidden scripts that established remote access and exfiltrated sensitive data such as credentials for AWS, Azure, and cryptocurrency wallets. The attack leveraged a multi-stage delivery mechanism, with initial packages installing secondary payloads that fetched and executed malicious code from external servers. This approach enabled the attackers to evade detection and maintain persistence on compromised systems. ([thehackernews.com](https://thehackernews.com/2026/07/north-korea-linked-npm-packages-mimic.html?utm_source=openai)) This incident underscores a growing trend of sophisticated supply chain attacks targeting open-source ecosystems. By compromising widely used development tools, attackers can infiltrate numerous organizations, highlighting the critical need for enhanced vigilance and security measures in software development practices.
Critical Vulnerabilities in FatFs Expose Millions of Embedded Devices
In July 2026, security firm runZero disclosed seven vulnerabilities in FatFs, a widely used filesystem library for FAT and exFAT formats. These flaws, present in devices like security cameras, drones, and industrial controllers, allow attackers to exploit crafted storage media to corrupt memory and execute arbitrary code. The vulnerabilities, rated Medium to High severity, include issues like integer overflows and buffer overflows, leading to potential device crashes or unauthorized code execution. Notably, CVE-2026-6682 involves an integer overflow during FAT32 volume mounting, which can result in memory corruption and code execution. ([thehackernews.com](https://thehackernews.com/2026/07/unpatched-flaws-disclosed-in-filesystem.html?utm_source=openai)) The widespread use of FatFs in embedded systems, combined with the lack of upstream fixes and the absence of a responsive maintainer, poses significant security risks. Devices relying on FatFs remain vulnerable, and the exploitation of these flaws could lead to persistent operational denial of service or device bricking. Organizations must assess their exposure and implement mitigations to protect against potential attacks. ([thehackernews.com](https://thehackernews.com/2026/07/unpatched-flaws-disclosed-in-filesystem.html?utm_source=openai))
Unprivileged Users Can Gain Root Access via 'Bad Epoll' Vulnerability in Linux Kernel
In July 2026, a critical vulnerability known as 'Bad Epoll' (CVE-2026-46242) was disclosed in the Linux kernel's eventpoll subsystem. This use-after-free flaw allows unprivileged users to escalate their privileges to root, affecting Linux desktops, servers, and Android devices. The vulnerability arises from a race condition where two kernel components attempt to free the same memory object simultaneously, leading to memory corruption and potential system compromise. A proof-of-concept exploit demonstrates a high success rate in achieving root access, even from within restrictive environments like Chrome's renderer sandbox. The discovery of 'Bad Epoll' underscores the challenges in detecting complex race-condition vulnerabilities within critical system components. Despite prior identification of similar flaws by advanced AI models, this particular issue remained undetected, highlighting the need for continuous and comprehensive security assessments. Organizations are urged to apply the available patches promptly to mitigate potential exploitation risks.
Unveiling Avalon: The AI-Assisted Malware Framework with Ransomware Capabilities
In July 2026, cybersecurity researchers identified a new modular malware framework named Avalon, which is distributed through a sophisticated multi-stage phishing campaign. This framework integrates various malicious functionalities, including credential harvesting, lateral movement, remote access, system recovery disruption, and ransomware deployment. The ransomware component, dubbed CrownX, encrypts critical files and delivers ransom notes with payment instructions and deadlines. The attack initiates with a deceptive email containing a link to a password-protected archive on Proton Drive. Within this archive, an ISO image houses a Windows Shortcut file that, when executed, triggers a sequence leading to Avalon's deployment. Avalon employs advanced evasion techniques to bypass detection by security tools from vendors such as Microsoft Defender, SentinelOne, and CrowdStrike. It also targets data from browsers, cryptocurrency wallets, and communication applications, exfiltrating information to a remote server. Additionally, Avalon disrupts system recovery by terminating Volume Shadow Copy Service and deleting shadow copies, complicating incident response efforts. The emergence of Avalon underscores the increasing sophistication of malware threats, particularly those leveraging artificial intelligence to streamline development and enhance capabilities. This trend highlights the need for organizations to adopt proactive security measures, including employee training on phishing awareness, robust endpoint protection, and comprehensive incident response plans to mitigate the risks posed by such advanced threats.
FBI Dismantles NetNut Proxy Network and Popa Botnet in 2026
In July 2026, the FBI, in collaboration with industry partners including Google and Lumen Technologies, seized hundreds of domains associated with NetNut, a residential proxy service operated by Alarum Technologies. This action disrupted the Popa botnet, which had compromised over two million devices, such as smart TVs and streaming boxes, turning them into proxy nodes for cybercriminal activities like content scraping, advertising fraud, and account takeovers. The takedown significantly degraded NetNut's proxy network and business operations, reducing the pool of compromised devices by millions. This incident underscores the persistent threat posed by residential proxy networks exploited by cybercriminals to mask malicious activities. The collaboration between law enforcement and industry partners highlights the importance of coordinated efforts in combating such threats. Organizations should remain vigilant and implement robust security measures to protect against similar vulnerabilities.
FortiBleed Campaign's Link to Inc and Lynx Ransomware Groups Unveiled
In July 2026, the FortiBleed campaign, initially identified as a credential-harvesting operation targeting Fortinet FortiGate firewalls, was linked to ransomware-as-a-service groups Inc Ransom and Lynx. SOCRadar researchers discovered that an operator within the FortiBleed infrastructure was actively engaged in ransom negotiations for both groups, indicating that credentials obtained through FortiBleed were being utilized for ransomware deployment. The campaign compromised approximately 12,000 FortiGate devices, with at least 12 confirmed ransomware deployments resulting in hundreds of encrypted endpoints across affected organizations. ([darkreading.com](https://www.darkreading.com/threat-intelligence/fortibleed-actors-inc-lynx-ransomware-gangs?utm_source=openai)) This incident underscores the evolving threat landscape where initial access brokers collaborate with ransomware operators, amplifying the risk to organizations. The exploitation of network security devices as entry points highlights the critical need for robust perimeter defenses and vigilant monitoring to prevent unauthorized access and subsequent ransomware attacks.
Interpol Impersonation Ransomware Targets Small Businesses in 2026
In July 2026, a ransomware campaign targeted small businesses across multiple regions, including the US, Europe, Asia, and the Middle East. Attackers impersonated Interpol officials, sending phishing emails that claimed the recipient's organization was under investigation for suspicious activity. These emails urged recipients to download a password-protected archive from Proton Drive, purportedly containing evidence. Upon opening, the archive delivered a ransomware payload disguised as a video file, encrypting local systems and prompting victims to contact the attackers via the Tox messaging platform to negotiate payment. ([darkreading.com](https://www.darkreading.com/cyberattacks-data-breaches/attackers-use-interpol-lure-target-small-businesses?utm_source=openai)) This incident underscores the increasing trend of cybercriminals leveraging social engineering tactics to exploit small businesses, which often lack dedicated cybersecurity resources. The campaign highlights the need for heightened awareness and robust security measures to defend against such deceptive attacks.
Chinese AI Models Redefine Cybersecurity Landscape
In June 2026, Chinese companies Zhipu AI and 360 Security Technology released advanced AI models—GLM-5.2 and Tulongfeng, respectively—that significantly enhance vulnerability discovery capabilities. GLM-5.2, an open-weight model, demonstrated performance on par with leading U.S. models like Anthropic's Mythos in identifying software vulnerabilities. Tulongfeng, described as China's version of Mythos, reportedly identified over 3,400 vulnerabilities, with 105 acknowledged by the Chinese government. These developments underscore a rapid advancement in AI-driven cybersecurity tools within China, potentially altering the global cybersecurity landscape. ([techradar.com](https://www.techradar.com/pro/security/chinese-cybersecurity-company-360-unveils-chinas-version-of-mythos-and-yitianzhen-to-automate-cyber-defense?utm_source=openai)) The emergence of these models highlights the increasing accessibility of sophisticated AI tools for both defenders and attackers. The open-source nature of GLM-5.2 raises concerns about potential misuse by malicious actors, as it allows for modification and deployment without restrictions. This trend necessitates a reassessment of current cybersecurity strategies to address the evolving threat landscape posed by AI-enhanced capabilities. ([axios.com](https://www.axios.com/2026/06/25/china-glm-52-open-source-hackers?utm_source=openai))
Iranian Cybercriminal Arrested for $3.4 Billion in Damages
In June 2026, Montenegrin authorities, in collaboration with the FBI, arrested a 39-year-old dual Iranian and Turkish citizen in Kotor. The individual is accused of orchestrating mass cyberattacks since 2013, targeting over 150 U.S. universities and causing damages exceeding $3.4 billion. The stolen data reportedly benefited Iran's Islamic Revolutionary Guard Corps and various Iranian state entities. Extradition proceedings are underway in Montenegro's capital, Podgorica. This arrest underscores the persistent threat posed by state-sponsored cyber activities and highlights the importance of international cooperation in combating cybercrime. Organizations should remain vigilant and enhance their cybersecurity measures to protect against such sophisticated attacks.
PamStealer: A New Threat to macOS Users in 2026
In July 2026, cybersecurity researchers identified a new macOS malware named PamStealer, which masquerades as the legitimate Maccy clipboard manager. Distributed through fake websites, PamStealer employs a two-stage attack chain: an initial AppleScript lure that bypasses macOS's quarantine protections, followed by a Rust-based payload. This payload validates user credentials via macOS's Pluggable Authentication Modules (PAM) before exfiltrating sensitive data, including browser cookies, clipboard contents, and cryptocurrency wallet information. The malware also establishes persistence by creating login items and disguises itself as system components to evade detection. The emergence of PamStealer underscores a growing trend of sophisticated macOS-targeted malware that leverages native system features to enhance stealth and effectiveness. This development highlights the need for macOS users to exercise caution when downloading software and to remain vigilant against increasingly advanced social engineering tactics.
European Parliament Member Targeted with Pegasus Spyware During Investigation
In October 2022 and March 2023, former Member of the European Parliament (MEP) Stelios Kouloglou's mobile device was infiltrated with Pegasus spyware while he was serving on the PEGA committee, which was investigating the misuse of such surveillance tools within the European Union. The Citizen Lab's forensic analysis confirmed these infections, indicating that attackers potentially accessed confidential committee documents and deliberations. The specific government or entity responsible for these attacks remains unidentified. ([citizenlab.ca](https://citizenlab.ca/research/member-of-committee-investigating-spyware-hacked-with-pegasus/?utm_source=openai)) This incident underscores the escalating threat of sophisticated spyware targeting high-profile individuals, including those involved in oversight and investigative roles. It highlights the urgent need for robust cybersecurity measures and regulatory frameworks to protect sensitive information and uphold democratic processes. ([theguardian.com](https://www.theguardian.com/world/2026/jul/03/spyware-used-against-mep-investigating-pegasus-abuses-report-finds?utm_source=openai))