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A Kosovar national has pleaded guilty to operating Rydox, a large illegal online marketplace that sold stolen personal information, login credentials, credit card details, and cybercrime tools. [...]
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Microsoft has confirmed that some users may experience desktop loading issues, including black screens, after installing the August 2026 preview updates and subsequent updates. [...]
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(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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A new variant of the MacSync malware targeting macOS systems now uses public iCloud calendar events to deliver new native payloads. [...]
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A new botnet malware called Carbonato is targeting insecure hosts running Docker daemons to install the Hermes Agent AI framework and take control. [...]
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Private GitLab email addresses that allow developers to push issues or tasks to a project are being deliberately exposed in READMEs, contributing guides, and support pages used to collect bug reports. [...]
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Storm-2570 is a ransomware affiliate that uses consistent post-compromise tools and techniques across deployments involving Qilin, DragonForce, Anubis, and BERT ransomware, and provides guidance to help defenders detect and disrupt this activity before ransomware deployment. The post Beyond the ransomware: Tracking Storm-2570’s consistent tradecraft across…
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FedRAMP's new VDR and VER requirements make vulnerability management more continuous, with faster scanning, tighter remediation deadlines, and stronger evidence requirements. Anecdotes explains why the December 7 deadline is just the beginning of a broader shift toward continuous, automated compliance validation. [...]
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A high-severity Roundcube Webmail vulnerability patched in May is now being actively exploited in attacks, according to the Canadian Centre for Cyber Security. [...]
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Microsoft released the KB5124010 September 2026 non-security preview update for Windows 11 24H2 and 25H2, with 46 changes including Bluetooth improvements and the ability to remap the Copilot key. [...]
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This advisory is revoked. Re-investigation confirmed the reported behavior is expected platform configuration and does not expose the protected attribute. The following versions of Siemens Mendix Runtime are affected: Siemens Mendix Runtime vers:all/* (CVE-2026-7891) CVSS Vendor Equipment Vulnerabilities v3 9.1 Siemens Siemens Mendix Runtime Insecure…
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Successful exploitation of these vulnerabilities could allow an attacker to bypass authentication controls, gain unauthorized access to sensitive data and privileged device functionality, modify device configuration, disrupt device operation. The following versions of Botslab G980H Dashcams are affected: G980H dash cam series 30010_QHG980HN5294SysFW+…
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Successful exploitation of these vulnerabilities could allow an attacker to run system level commands or execute arbitrary code. The following versions of Eufy Omni C20, Omni X10 Pro are affected: Omni C20
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CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-5430 WSO2 Multiple Products Path Traversal Vulnerability CVE-2026-71362 Adobe Commerce and Magento Incorrect Authorization Vulnerability These types of vulnerabilities are a frequent attack vector for malicious…
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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies on Wednesday that ransomware gangs are now also exploiting a critical JetBrains TeamCity vulnerability patched in July. [...]
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OpenAI agents targeted public data providers in multiple countries, probing some for vulnerabilities and exploiting a security weakness in an Australian government portal while performing information-retrieval tasks as part of a research project. [...]
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Microsoft has fixed a known issue that breaks the built-in File History backup feature on some Windows systems after installing the September 2026 security updates. [...]
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Yesterday, we received a phishing email with an interesting link. At first sight, it looks like garbage, but every piece of it has been carefully crafted to confuse basic security controls. Here is the defanged link:
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(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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The "third-party.com" domain, commonly used as a placeholder in developer documentation and code examples, is serving a fake Cloudflare verification page that attempts to trick Windows users into executing PowerShell commands. [...]
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A new Android malware-as-a-service (MaaS) platform called RemControl is targeting users through malvertising campaigns that impersonate the TVTap IPTV application. [...]
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Cybersecurity company Check Point has confirmed active exploitation of CVE-2026-85102, a pre-authentication remote code execution (RCE) vulnerability in the VPN certificate-handling functionality of its Security Gateway product. [...]
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Threat actors have moved from probing WordPress sites vulnerable to CVE-2026-87902 to exploiting the flaw to write files to disk that execute shell commands when accessed. [...]
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Cybersecurity researchers have disclosed Go-based malware distributed via two Go Modules and two Terraform providers, marking the first time threat actors are using the centralized repository hosted by HashiCorp as a distribution vector for malicious payloads. According to Aikido, the list of Terraform providers and Go modules is below…
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The private email address GitLab gives you for filing issues by email is a credential. Anyone who gets it can email a patch that GitLab commits in your name, to any branch you can push to, including main, and can start CI/CD jobs that run as you. GitLab shows each user this address behind a button labeled "Email work item to this project." Mail sent to it…
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A financially motivated threat actor is using open-source AI agent frameworks to attack hundreds of online retailers at scale, stealing more than 600,000 credit card records. [...]
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Two MikroTik RouterOS SSH vulnerabilities chained together let attackers take full administrative control of Internet-exposed routers without a password, SSH key, or completed authentication. The chain, which CERT Polska calls MikroTrick, combines an SSH state-machine flaw (CVE-2026-67279) with an argument-injection bug in the RouterOS login process…
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We are announcing ISOC in Microsoft Defender: a foundation built for agentic security that brings leading solutions for SIEM and threat protection together. The post Reimagining the SOC for the agentic era in Microsoft Defender appeared first on Microsoft Security Blog.
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Attackers are increasingly targeting the management systems used to control enterprise infrastructure, with several critical vulnerabilities actively exploited before or shortly after vendors disclosed them. [...]
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A Windows malware called CLOSEDQUORUM is built to take orders from a vote of up to four AI models instead of an attacker's server, Cisco Talos said on September 22. The models can choose to steal Windows credentials, saved browser passwords, and crypto wallet data. Talos has not seen this setup work from start to finish, and the public version of the…
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A Kubernetes user with limited permissions can potentially gain control of an entire Google Cloud organization by exploiting the authority granted to Google Kubernetes Config Connector. Varonis explains how this confused deputy problem can turn a single Kubernetes YAML file into a path to organization-wide privilege escalation. [...]
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Unknown threat actors have managed to compromise two legitimate MemTensor packages across the npm and Python Package Index (PyPI) repositories to push a platform-specific Go-based implant dubbed sckit designed for Windows, Linux, and macOS. According to reports from Aikido, SafeDep, Socket, and StepSecurity, the libraries in question below…
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Arista Networks has released security patches for a zero-day flaw that is being actively exploited and affects VeloCloud Orchestrator (VCO) On-Prem deployments. [...]
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A flaw in cPanel's CalDAV and CardDAV service lets anyone with a cPanel hosting account run code as root and take "full control of the server," the company said on September 22. A second bug in the WP Toolkit plugin, used to install and manage WordPress sites, allows an account holder to change databases that belong to other accounts. cPanel has released…
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Introduction The Federal Bureau of Investigation (FBI) and Cybersecurity and Infrastructure Security Agency (CISA)—hereafter referred to as the “authoring agencies”—have published this fact sheet to highlight considerations for critical infrastructure entities to reduce risk and minimize vulnerabilities when working with third-party industrial control…
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Autonomous security agents are getting good at finding bugs. Nobody has a good way to measure how good. Point one at a realistic target and what comes back is a report the agent wrote about itself: confident prose, a list of findings, and no way to tell which of them happened. Someone with a security background then sits down and checks every claim against…
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Anthropic and OpenAI on Tuesday announced new models, with both artificial intelligence (AI) companies noting that they are continuing to invest in improving alignment to combat risky behavior. Opus 5.5, per Anthropic, is a "major step up from Opus 5," and "achieves the best scores of any model to date on our automated behavioral audit, our alignment suite…
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Microsoft warned that the September 2026 security updates may also break Always On VPN connections on some Windows 11 systems. [...]
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A use-after-free in the Linux kernel's AF_UNIX socket subsystem can be used to escape a container and gain root on the host, security firm DepthFirst said in research published September 22. The flaw, tracked as CVE-2026-80521 (CVSS score: 7.8), was fixed upstream on August 6, but Ubuntu has not shipped the patch for its 26.04, 24.04, or 22.04 LTS…
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Attackers are exploiting a critical flaw in F5 BIG-IP Access Policy Manager (APM) that lets them run code on a BIG-IP system without logging in, F5 says. The flaw, CVE-2026-94127, affects only systems in which APM serves as an OAuth authorization server, issuing access tokens to applications. F5 disclosed it in an advisory on September 22 and has released…
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A Chinese threat actor codenamed UTA0565 has been observed exploiting the recently disclosed Google Chrome-Microsoft Windows exploit chain as zero-days through fake websites. The attacks, detected on September 3 and 4, 2026, involved the chaining of two vulnerabilities in Chrome (CVE-2026-85046, CVE-2026-87491) and one impacting Windows Advanced Local…
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An Armenian man was sentenced to 24 months in prison and 3 years of supervised release for hacking U.S. companies and encrypting their systems in Ryuk ransomware attacks. [...]
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F5 has released security updates to address a critical BIG-IP APM zero-day vulnerability being exploited in remote code execution attacks. [...]
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A new security vulnerability in Next.js could allow attackers to run code on a server via ImageResponse, the feature that generates Open Graph and other social preview images, Vercel said. The risk applies when an app puts values an attacker controls, such as text read from the request URL, into the image. Vercel, which develops Next.js, fixed the flaw on…
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The cyber extortion group known as ShinyHunters on Tuesday claimed it had breached the U.S. Federal Bureau of Investigation and stolen data belonging to current and former employees at the agency. "We have compromised the FBI. We hold very sensitive data on almost ALL FBI Agents and individuals who filed an application with the FBI for a job," the group…
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(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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Security researchers developed an attack that lets hackers with privileged access register a rogue external MFA provider that steals users' passwords during legitimate login attempts. [...]
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Sweden's data privacy regulator, IMY, has imposed a $183,000 (SEK 1.8 million) fine on IT systems provider Miljödata for inadequate security measures leading to a breach in August 2025 affecting 2.2 million people. [...]
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A Chinese-speaking threat actor has been exploiting vulnerabilities in ZyXEL GS1900 Smart Managed Switches and WordPress to steal sensitive data from 996 devices and more than 18,500 records stored in backend databases. [...]
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The ShinyHunters extortion gang claims it breached FBI systems using a new Oracle PeopleSoft zero-day vulnerability, gaining access to internal services and stealing sensitive data on employees and job applicants. [...]
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On Friday, Xavier talked about the newly introduced HTTP Query method. This new method was introduced to allow "GET" requests that include a body. The main reason for this was that GET requests typically do not contain a body. But what if they do?
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Attackers exploited a previously unknown flaw in Check Point's Security Management Server in a handful of targeted attacks on July 23, the company said. The flaw, CVE-2026-93616, allows an attacker who can access the server's web service to run scripts on it without logging in. Check Point released a fix on September 22 for the server that controls…
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A new Windows malware named ClosedQuorum uses Google Gemini, DeepSeek, Qwen, and Mistral AI models to autonomously determine the actions to take during post-compromise stages of an attack. [...]
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WordPress has fixed a critical flaw in its core software that lets an attacker with no account make a site load a PHP file from outside its theme folders. On some servers, that can go further, allowing the attacker to run their own code. The fix shipped on September 22 in WordPress 7.1.2, with fixes for every branch the project still supports, back to 4.7…
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Cybersecurity researchers have disclosed details of a malicious npm package named "tw-pkgprobe-7731" that masquerades as a security tool targeting developers integrating Twilio into their applications, while stealthily attempting to harvest sensitive data. The package, named "tw-pkgprobe-7731," was first uploaded to the npm registry in mid-August 2026 by…
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