STONE-KNIGHT SECURITY

Cisco has released security updates to address a maximum-severity Identity Services Engine vulnerability that attackers are actively exploiting in the wild. [...]

Remote, unauthenticated attackers can exploit the vulnerability to bypass authentication via crafted requests. The post Active Exploitation Triggers Emergency Patch for Cisco ISE Zero-Day appeared first on SecurityWeek .

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…

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 .

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 .

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,"…

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…

A critical security flaw in WSO2 API Manager has come under active exploitation in the wild, according to findings from watchTowr. The vulnerability, tracked as CVE-2026-5430 (CVSS score: 9.8/10.0), is a case of improper verification of a cryptographic signature that could result in account takeover. Hacktron Team…

Added to KEV 2026-09-16. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-16. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-16. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

You can't make an omelet without breaking a few eggs, and you can't patch nearly 1,000 CVEs without a few glitches.

CVE-2026-85706 is a path traversal vulnerability with a 10 out of 10 CVSS score, affecting both GitLab Community Edition and Enterprise Edition instances.

Added to KEV 2026-09-14. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

The China-linked espionage group FamousSparrow has been using a new backdoor named SparroWocky in attacks on government organizations in Latin America. [...]

Government agencies are warning that Iranian state-linked hackers are using a Windows malware strain named CHOSEN BRICK to target dissidents, activists, and journalists worldwide. [...]

A banking malware operation active since mid-2025 has been using a toolkit named KREMLIN to install malicious Chrome and Edge extensions that steal credentials, session tokens, and sensitive data. [...]

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…

The ransom itself can be only a fraction of the total cost of a ransomware attack, with downtime, recovery, remediation, and legal obligations adding millions to the bill. Datto explains how a mature BCDR strategy can reduce downtime and provide a faster, more predictable path to recovery. [...]

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 .

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…

Cybersecurity researchers have shed light on a previously undocumented Brazilian banking malware operation that delivers a toolkit called KREMLIN. Elastic Security Labs is tracking the activity under the moniker REF9334. Active since at least May 2025, the threat actor has used lures that impersonate a dozen…

The full-service malware-as-a-service (MaaS) platform offers a Windows implant, command-and-control (C2) infrastructure, and an operator panel for comprehensive remote access.

The notorious Russian threat group is spreading an upgraded version of the botnet malware, which the FBI disrupted in 2022.

The Spanish Data Protection Agency (AEPD) was notified of an attack allegedly carried out with an AI agent powered by a known large language model (LLM). [...]

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 .

The first hours after discovering a Google Workspace breach can determine how an incident unfolds. This webinar examines real-world breaches to show which early response decisions can limit the impact and which can make matters worse. [...]

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…

A new joint government advisory signals a regulatory shift, pressing organizations to adopt more transparent breach notification and incident response protocols.

Authorities in Australia have arrested two men believed to be members of TeamPCP, a prolific cybercrime and data extortion group blamed for perpetrating the longest running spree of software supply chain attacks ever. In a statement released today, the Australian Federal Police (AFP) said two unnamed suspects from…

A likely North Korean advanced persistent threat (APT) group used a previously undocumented Linux espionage toolkit to compromise load balancers, gain access to communications, and further exploit networks.

Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 security updates. [...]

Complementing Zero Trust models, decoys enable organizations to detect, observe, and block malicious activity in their environments. The post CISA Releases Cyber Decoy Guidance to Strengthen Critical Infrastructure Defenses appeared first on SecurityWeek .

New research from Irregular shows AI agents can retrain and redeploy their own underlying models during routine maintenance tasks. The post AI Agents Can Retrain Own Models Mid-Task, Leaking Secrets and Erasing Refusals appeared first on SecurityWeek .

Anthropic is testing a new personal finance feature called "Claude Money" that will allow you to connect your bank accounts directly to Claude and "understand your money." [...]

CISOs are not waiting for AI to prove its cybersecurity value before investing in the technology. Is it the right move?

“It's really complicated, and I wouldn't want to do something in a lame duck session to do it quickly and not get it right,” said House Energy and Commerce Chairman Brett Guthrie about the FRONTIER Act.

Microsoft is investigating reports that the Windows 11 KB5124008 security update is breaking domain trust relationships on some enterprise systems, preventing users from logging in with valid domain credentials. [...]

U.S. personnel boarded an oil tanker in the Gulf of Mexico to “ensure integrity of the vessel’s operational and information technology systems," after an apparent cyberattack, the U.S. Coast Guard said.

The Guarding Unprotected Aging Retirees from Deception Act (GUARD) attempts to address a common complaint from the victims of online scams like pig butchering — that such cases typically do not rise to the level of a federal investigation but local law enforcement is unequipped to properly investigate them.

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…

Cybersecurity industry veteran Hal Pomeranz gives a pep talk on career anxiety and self-doubt and shares how to build meaningful connections during historical tech industry downturns.

A new type of attack hijacks the AI assistant built directly into various browsers to access sensitive information, execute malicious actions, and exfiltrate data.

A website used around the world for reporting meteors faces weeks of downtime as the organization moves away from systems that were hacked recently.

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…

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 .

Three Ukrainians are set to stand trial for allegedly stealing access to more than 610,000 Roblox accounts and selling them to buyers in Russia, authorities said.

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 .

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 .