Latest Cybersecurity News and Articles

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U.S. Seizes NightmareStresser Domains Linked to Hundreds of Thousands of DDoS Attacks

The U.S. Department of Justice (DoJ) on Tuesday announced the court-authorized seizure of internet domains associated with a distributed denial-of-service (DDoS)-for-hire service known as NightmareStresser. The domains in question are: nightmare-stresser[.]com and nightmarestresser[.]org. Visitors to the site are now greeted by a seizure banner that states - "This domain has been seized by the

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Data Broker Radaris Loses Domains in Privacy Fight

The consumer data broker Radaris.com has long had a reputation for ignoring requests to remove personal information from its vast empire of people-search services online. That reputation caught up with the company recently in a lawsuit alleging Radaris violated a New Jersey privacy law that provides for hefty fines against data brokers that publish personal information on state law enforcement officials. In the face of repeated stonewalling and prevarication by attorneys for Radaris, the judge in the case ordered that radaris.com and more than a dozen other data broker domains be transferred to the plaintiffs.

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First Agentic AI Data Breach Reported to Spanish Regulator

Spanish regulators say an AI agent chained together a successful login, vulnerability discovery, and access to personal data in a potential milestone for autonomous cyberattacks. The post First Agentic AI Data Breach Reported to Spanish Regulator appeared first on SecurityWeek.

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Attackers Exploit Issabel Framework Flaw Enabling Unauthenticated OS Command Execution

A critical security flaw in Issabel Framework, a web-based framework for the open-source unified communications PBX software, has come under active exploitation. The vulnerability in question is CVE-2026-89026 (CVSS v3.1 score: 9.8/CVSS v4.0 score: 9.3), which can allow an unauthenticated remote attacker to execute arbitrary operating system (OS) commands by taking advantage of a hard-coded

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Three Threat Groups Target Russian Enterprises With Backdoors, Ransomware, and Wipers

Enterprises in Russia have emerged as the target of three threat activity clusters tracked as NightEagle, Hacking Cat, and Toy Ghouls, according to multiple reports from Kaspersky. The cybersecurity vendor said it has identified attacks mounted by NightEagle (aka APT-Q-95), a threat actor known to be active since at least 2023, that involve new techniques for persistence and lateral movement.

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One Extension Could Hijack AI Assistants Across Chrome, Comet, Edge, Opera Neon and Claude

Security researchers at Forever Security have shown that one ordinary browser extension could take control of the AI assistants built into five Chromium-based products: Gemini Live in Chrome, Perplexity Comet, Microsoft Edge, Opera Neon and the Claude in Chrome extension. Once the extension was installed, it could access each product's built-in AI with a single click. On Comet, Edge,

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Virtual Event Today: Attack Surface Management Summit

Join SecurityWeek today for a virtual summit exploring the strategies and tools organizations need to discover, prioritize, and defend their expanding attack surfaces. The post Virtual Event Today: Attack Surface Management Summit appeared first on SecurityWeek.

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EU Chief Warns of AI-Powered Hacking, Moves to Rein In Social Media

Ursula von der Leyen warns that advanced AI could unleash hacking on an unprecedented scale as Europe prepares new protections against social media’s “capture” of children. The post EU Chief Warns of AI-Powered Hacking, Moves to Rein In Social Media appeared first on SecurityWeek.

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AIUC Raises $40 Million to Certify Enterprise AI Agents

The company provides a standard for AI systems, testing them against risks such as jailbreaks, prompt injections, and unauthorized actions. The post AIUC Raises $40 Million to Certify Enterprise AI Agents appeared first on SecurityWeek.

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Attacker Hijacks AI Coding Assistant Session, Spreads Shai-Hulud Across About 100 Repositories

Mandiant says an attacker hijacked an active AI coding-assistant session at an unnamed software-as-a-service provider and later spread Shai-Hulud across about 100 internal code repositories. Before the repository spread, the assistant recommended software that the attacker had poisoned, and the recommendation was accepted. The worm stole repository secrets and source code for the

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Parallels Desktop Flaw Lets Non-Admin Mac Users Gain Root, but Intel Macs Can't Install Fix

Parallels Desktop for Mac has a flaw that lets an ordinary local account run code as root, the highest level of access on a Mac, software company JFrog said this week. The attack needs code already running on the machine as a normal user, so it does not work over the network. JFrog says the fix is in Parallels Desktop 27, a version that Intel Macs cannot install. Yuval Moravchick, who leads

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Pixel Modem Zero-Day Exploited in Targeted Attacks

Google announced patches for the exploited privilege escalation vulnerability (CVE-2026-58704) on September 15. The post Pixel Modem Zero-Day Exploited in Targeted Attacks appeared first on SecurityWeek.

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US, UK, Dutch Agencies Expose Iranian ‘Chosen Brick’ Surveillance Malware

US, UK, and Dutch government agencies published a report detailing the malware, and the FBI described the abuse of Telegram for C&C. The post US, UK, Dutch Agencies Expose Iranian ‘Chosen Brick’ Surveillance Malware appeared first on SecurityWeek.

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N0va Phishkit Targets US and EU Businesses: A New Challenge for Identity Security

N0va is targeting organizations across North America and Europe with phishing campaigns that impersonate trusted services and abuse legitimate authentication flows. Successful attacks can give threat actors access to valid accounts without relying on obvious malware activity. From there, a single compromised identity can open the door to sensitive data, business systems, and additional cloud

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Unauthenticated RCE Flaws Could Expose 200,000+ WordPress Sites to Takeover

Vulnerabilities in The Events Calendar can provide attackers with remote code execution capabilities. The post Unauthenticated RCE Flaws Could Expose 200,000+ WordPress Sites to Takeover appeared first on SecurityWeek.

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Google Patches Pixel Modem Flaw Amid Signs of Limited Targeted Exploitation

Google has disclosed that a high-severity security flaw in its Pixel Cellular Modem has come under exploitation in the wild. The vulnerability, tracked as CVE-2026-58704 (CVSS score: 8.0), is a privilege escalation flaw. "In Cellular Modem, there is a possible permission bypass due to a logic error in the code," according to a description of the bug in the NIST National Vulnerability Database

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Threat Intelligence Alone Won't Close the Exploitation Gap

A leaked credential shows up in a criminal marketplace, or a vulnerability gets a disclosure advisory, and either one can be weaponized against a real target before most security teams have triaged the alert. Attackers are combining that kind of intelligence with AI-assisted exploitation to accelerate the path from exposure to breach faster than most security programs are built to react.

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Hackuity Raises $19 Million for AI-Powered Vulnerability Management

The company will use the new capital to expand its vulnerability operations platform and support international growth. The post Hackuity Raises $19 Million for AI-Powered Vulnerability Management appeared first on SecurityWeek.

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Acronis cPanel Backup Plugin Vulnerability Exploited in Targeted Attacks

Acronis has warned that a high-severity security flaw in its Backup plugin for cPanel and Web Host Manager (WHM) deployments has been exploited in the wild. The vulnerability, tracked as CVE-2026-87886 (CVSS score: 7.8), is described as a case of local privilege escalation due to insecure file permissions. It affects the following versions - Acronis Backup plugin for cPanel & WHM (Linux

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280,000 Impacted by Premier Medical Group Data Breach

In June 2026, hackers accessed files containing patients’ names, contact information, diagnosis details, and health insurance information. The post 280,000 Impacted by Premier Medical Group Data Breach appeared first on SecurityWeek.