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US Government Accuses Chinese AI Firms of Distilling Frontier Models

US agencies claim Chinese companies covertly extracted billions of tokens from OpenAI, Anthropic, Google Gemini, and SpaceX's Grok to reduce development costs.

U.S. Disrupts Xinbi Guarantee Scam Marketplace, Freezes $52.8 Million in Crypto

The U.S. Department of Justice (DoJ) on Wednesday announced coordinated actions aimed at an illicit online marketplace called Xinbi Guarantee that offered scam services, including seizing Telegram channels used to run the service, confiscating two cryptocurrency wallets, and deploying the Scam Center Strike Force to Madagascar to help disrupt 13 scam compounds run by Chinese organized crime

HelmGuard Raises $7.3 Million for Agentic GRC and Security

The company will increase its US market presence and will expand its engineering and go-to-market teams. The post HelmGuard Raises $7.3 Million for Agentic GRC and Security appeared first on SecurityWeek.

AI Is Giving Lesser-Resourced Attackers Nation-State-Level Reach, Google Warns

Criminal and state-sponsored adversaries are increasingly using AI to automate and scale their attacks, according to GTIG. The post AI Is Giving Lesser-Resourced Attackers Nation-State-Level Reach, Google Warns appeared first on SecurityWeek.

US says Chinese firms extracted billions of tokens from frontier AI models

U.S. cybersecurity and intelligence agencies say that six Chinese AI companies conducted industrial-scale distillation attacks on American frontier AI models since at least late 2024. [...]

Four Spy Groups Used the Same Chrome and Windows Exploit Kit Within a Week

Multiple espionage-motivated threat activity clusters have been found deploying a previously undocumented exploit kit called BlueMoon that chains together multiple vulnerabilities in Microsoft Windows and Google Chrome. The first in-the-wild use of BlueMoon has been attributed to the China-aligned state-sponsored group tracked as APT31 (aka Bronze Vinewood, Judgement Panda, JungleBamboo,

Android’s September 2026 Updates Patch 180 Vulnerabilities

The security updates resolve critical flaws across Android’s Framework, System, and Kernel components. The post Android’s September 2026 Updates Patch 180 Vulnerabilities appeared first on SecurityWeek.

Chipmaker Patch Tuesday: Nvidia, AMD, Arm Issue Security Advisories

Major chipmakers announced patches for vulnerabilities recently discovered in their products. The post Chipmaker Patch Tuesday: Nvidia, AMD, Arm Issue Security Advisories appeared first on SecurityWeek.

Veradigm warns of patient data breach after ransomware gang claims attack

Healthcare technology company Veradigm disclosed a data breach after a cybersecurity incident at one of its third-party vendors exposed patients' personal data. [...]

Identity-Based AI Attack Threatens Security of Enterprise Data

"Workflow identity hijacking" can bypass standard security controls and hijack an organization's data by sending a basic request through an unauthenticated entry point.

Fortinet Patches Critical Vulnerabilities in FortiMonitorOnSight, Chrome Extension

The critical, unauthenticated bugs allow attackers to bypass authentication and proxy a user’s browser traffic. The post Fortinet Patches Critical Vulnerabilities in FortiMonitorOnSight, Chrome Extension appeared first on SecurityWeek.

Infostealer Logs Expose Replayable AI Tokens That Can Bypass MFA

Cybercriminals are hijacking artificial intelligence (AI) user accounts via information stealer logs to create "stolen keys" that grant illicit access to tools from model providers like Google, Anthropic, and others. Information stealers like Lumma Stealer or Vidar are equipped to harvest a wide range of data from compromised systems. This can include credential, session tokens, and API

MFA's Weakest Link: Account Recovery Is the New Attack Path

MFA makes account takeover harder, but attackers are increasingly targeting the recovery processes used to reset passwords and authentication methods. Specops explains why stronger identity verification at the service desk is critical to preventing social engineering attacks from turning account recovery into account takeover. [...]

US Agencies Warn China Is Systematically Extracting Frontier AI Capabilities

Distillation is an ‘attack’ against an AI model designed to capture outputs, understand reasoning processes, and subsequently train a different model. The post US Agencies Warn China Is Systematically Extracting Frontier AI Capabilities appeared first on SecurityWeek.

Meta Launches Personal AI Agent, Muse, Emphasizes Safety and Privacy

Muse runs on a dedicated, secure virtual machine that houses both the agent and the user’s data. The post Meta Launches Personal AI Agent, Muse, Emphasizes Safety and Privacy appeared first on SecurityWeek.

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2025-25249 Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability CVE-2026-19490 Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability CVE-2026-87491 Google Chromium V8 Out of Bounds Write Vulnerability CVE-2026-2

Webinar: Learn How to Answer “Are We Exposed?” Faster After a New CVE

A major vulnerability is disclosed. The alert lands immediately. Then comes the harder question: Are we actually exposed? For many security teams, answering that means jumping between vulnerability scanners, endpoint tools, cloud inventories, SBOMs, repositories, and application data to build enough context to act. As AI accelerates vulnerability discovery and research, that delay matters more

DeepSeek Harness Flaw Let AI Agents Disable Their Own File Sandbox Without Approval

A flaw in DeepSeek Harness, DeepSeek's open-source tool for running AI coding agents on a developer's machine, let a sandboxed agent turn off its own sandbox with a single command. The tool runs an agent's commands inside an operating-system sandbox, so that an agent working on untrusted files cannot write outside its workspace. The agent could remove that limit by calling the tool's own web

ICS Patch Tuesday: Schneider Electric, Siemens Fix Critical Flaws

AVEVA and Rockwell Automation also released patches for vulnerabilities affecting industrial control system products. The post ICS Patch Tuesday: Schneider Electric, Siemens Fix Critical Flaws appeared first on SecurityWeek.

Alby Hub Critical Flaw Could Let Attackers Take Over Internet-Exposed Bitcoin Wallets

Bitcoin wallet company Alby has warned of a critical flaw in Alby Hub that could have let an attacker take over a wallet and send its funds, but only where the owner had made the Hub reachable from the internet. Alby Hub is a self-hosted Lightning wallet, meaning the owner runs it on their own computer or server, and it holds their bitcoin. The flaw affects versions v1.7.0 through

Ivanti Patches Critical Flaws Across Enterprise Security Products

Six critical vulnerabilities in Neurons for ITSM could enable remote code execution, while Sentry and EPMM received patches for authentication bypass flaws. The post Ivanti Patches Critical Flaws Across Enterprise Security Products appeared first on SecurityWeek.

Over 36,000 exposed Plex servers vulnerable to recent flaws

Over 36,000 Plex Media servers exposed online remain unpatched against multiple security vulnerabilities and are vulnerable to attacks. [...]

This Key Will Self-Destruct: An Open Standard for Revocable API Keys

Every leaked credential should be dead, or dying, within sixty seconds of being found. Here's a proposal to make that the default. The post This Key Will Self-Destruct: An Open Standard for Revocable API Keys appeared first on SecurityWeek.

New Phishing Attack Creates Malicious Pages Inside the Victim’s Browser

Attackers are using trusted Microsoft services and blob URLs to generate stealthy phishing pages that leave defenders with no static website to detect or block. The post New Phishing Attack Creates Malicious Pages Inside the Victim’s Browser appeared first on SecurityWeek.

Chrome 153 Patches Seventh Zero-Day of 2026

The Chrome update includes 230 security fixes, and users are advised to update their browsers as soon as possible. The post Chrome 153 Patches Seventh Zero-Day of 2026 appeared first on SecurityWeek.

U.S. Agencies Accuse China AI Firms of Distilling Claude, GPT, Gemini, and Grok

U.S. cybersecurity and intelligence agencies have accused China-based artificial intelligence (AI) companies of conducting "systematic extraction" of proprietary functionalities and capabilities of American frontier models through distillation attacks. The activity has been described as occurring at an industrial-scale and one that forms the "core" of their AI development strategy, according to

Chrome V8 Zero-Day Exploited in the Wild Enables Code Execution Inside Sandbox

Google on Thursday released updates to patch 230 security vulnerabilities, including one that has come under active exploitation in the wild. The medium-severity vulnerability, assigned the CVE identifier CVE-2026-87491 (CVSS score: N/A), has been described as an out-of-bounds bug in V8, Chrome's JavaScript and WebAssembly engine. "Out-of-bounds write in V8 in Google Chrome prior to

Man gets 15 years for extorting women with AI-generated porn videos

An Ohio man was sentenced to 15 years in prison for multiple cybercrimes, including sextortion and cyberstalking of numerous victims using AI-generated sexually explicit content. [...]

New cPanel Flaw Lets a Hosting Account With Mail Privileges Run Code as Root

cPanel has patched a flaw that it says lets a single hosting account take control of an entire server. An authenticated account holder with mail-related privileges can create files of their choosing on the server through EmailTrack and, from there, run code as the root user. cPanel published the advisory on September 8 and says every supported version of cPanel and WHM is affected.

F5 BIG-IP APM Malware Injects a PHP Web Shell Into Memory, Evading Disk Scans

Malware linked to break-ins at F5 BIG-IP Access Policy Manager appliances hides a PHP web shell in memory instead of in a file on disk, Sophos said in an analysis published on September 7. When Apache loads any of the three appliances' own PHP scripts, the malware adds the web shell to the copy held in memory, so a check of the file on disk can come back clean. Those three scripts are

New Microsoft Defender 'ShieldCrash' zero-day grants SYSTEM access

An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldCrash" right after Microsoft rolled out its September 2026 Patch Tuesday security updates. [...]

Researcher Drops New Microsoft Defender PoC Showing ShieldBreak Patch Can Be Bypassed

The security researcher known as Chaotic Eclipse has dropped a proof-of-concept (PoC) for yet another zero-day in Microsoft Defender. The vulnerability, codenamed ShieldCrash, is assessed to be a patch bypass for CVE-2026-69414 (CVSS score: 7.8), also called ShieldBreak, which the researcher reported last month. "Microsoft has failed to properly patch ShieldBreak CVE-2026-69414," Chaotic

Google warns of new Chrome zero-day bug exploited in attacks

Google has patched 230 vulnerabilities on Tuesday, including another actively exploited Chrome zero-day bug, the seventh such vulnerability patched since the start of the year. [...]

SAP Patches CVSS 10.0 Kernel Flaw Enabling Unauthenticated Remote Code Execution

SAP has released security updates to address multiple vulnerabilities, including a maximum-severity flaw in SAP Extended Passport (EPP) Processing that could have a severe impact on the confidentiality, integrity, and availability of the application The vulnerability, tracked as CVE-2026-44756 (CVSS score: 10.0), has been described as a case of memory corruption. Discovered and reported by SAP

Microsoft Patches Record 974 Flaws, Including Two Exploited Windows Zero-Days

Microsoft on Tuesday broke Patch Tuesday records by addressing an earth-shattering 974 vulnerabilities spanning its software portfolio, including two flaws that it said have been actively exploited in the wild. These include 723 flaws in Windows, 111 in Office and Office 2016, 62 in SQL, and 22 in Developer Tools. Of these, over 110 shortcomings have been assigned a critical severity rating.

N-able N-central Pre-Auth RCE Flaw Exploited in the Wild

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a maximum-severity security flaw impacting N-able N-central to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by September 11, 2026. The vulnerability in question is CVE-2026-86218 (CVSS score: 10.0), which has been described as a

Microsoft adds age-awareness APIs that can tell if users are children, teens, or adults

Microsoft is adding new age-awareness APIs to Windows 11 that will allow apps to determine whether someone is a child, teenager, or adult without exposing their exact date of birth. [...]

Microsoft Plugs Nearly 1,000 Security Holes

Microsoft Corp. today issued updates to plug at least 974 security holes in its Windows operating systems and other software, by far its biggest single patch batch ever. Microsoft says artificial intelligence is helping to speed the discovery of vulnerabilities, but security experts warn that many organizations already are struggling to prioritize the more human-intensive endeavor of testing and d

Patch Tuesday Sets Another Record With 974 CVEs

Attackers are actively exploiting two of the vulnerabilities and another 58 are more likely to be exploited, according to Microsoft.

Attackers Use Multi-Hop Google Redirects for Phishing Campaign

Threat actors are abusing multiple Google services to evade detection, ultimately harvesting credentials or installing ScreenConnect remote access.

OpenAI Agents Took Over Wiki Site Before Hugging Face Attack

Researchers and OpenAI disagree on whether the earlier incident involving DseWiki, which the company did not disclose, was a “hack."

DoppelCart fraud network uses 119,000 fake shops to steal credit cards

A massive operation dubbed "DoppelCart" uses more than 119,000 domains to run a network of fake e-shops that steal payment card details. [...]

The EU CRA's Real Question: What Shipped, and When Did You Know?

The EU Cyber Resilience Act's vulnerability reporting requirements take effect September 11, giving software vendors as little as 24 hours to report actively exploited flaws. ActiveState explains why knowing exactly what shipped and when vulnerabilities were discovered will be critical to meeting the new requirements. [...]

Hackers breach F5 BIG-IP APM devices to deploy Linux rootkit

A Linux rootkit targeting devices in F5 BIG-IP APM environments can intercept PHP file loading and inject a fileless web shell directly into memory, avoiding the need to write malicious code to disk. [...]

Microsoft Patches Record 974 Vulnerabilities, Including Two Exploited Zero-Days

The record-breaking September security update fixes two exploited privilege-escalation zero-days and 20 potentially wormable vulnerabilities. The post Microsoft Patches Record 974 Vulnerabilities, Including Two Exploited Zero-Days appeared first on SecurityWeek.

Microsoft releases Windows 10 KB5122878 extended security update

Microsoft has released the Windows 10 KB5122878 extended security update, which includes this month's record-breaking September 2026 Patch Tuesday fixes, along with a few bug fixes. [...]

Adobe Patches Over 170 Vulnerabilities, Including Commerce Zero-Day

Tracked as CVE-2026-75650, the exploited defect allows unauthenticated attackers to execute arbitrary code. The post Adobe Patches Over 170 Vulnerabilities, Including Commerce Zero-Day appeared first on SecurityWeek.

Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-days

Today is Microsoft's September 2026 Patch Tuesday, with security updates released for a record-breaking 966 flaws, including two actively exploited zero-day vulnerabilities. [...]

Windows 11 cumulative updates KB5124008 & KB5122880 released

Microsoft has released Windows 11 KB5124008 and KB5122880 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]

ClickFix Campaigns Abuse Legitimate Services for Persistent Access

Two separate attacks demonstrate how threat actors are finding new ways to compromise organizations by using the popular social engineering tactic.

The Hidden Instructions That Can Hijack AI Agents

Malicious prompts concealed in documents, metadata, emails, images and code can manipulate autonomous agents into taking dangerous actions. The post The Hidden Instructions That Can Hijack AI Agents appeared first on SecurityWeek.

Hackers Return $263 Million Stolen From Liquid Network

Alleged ‘white-hat’ hackers drained $320 million from Liquid’s federation wallet, demanding a bug fix. The post Hackers Return $263 Million Stolen From Liquid Network appeared first on SecurityWeek.

ShinyHunters hackers claim breach of Florida "DAVID" DMV database

The ShinyHunters extortion gang claims it breached an online platform for the Florida Department of Motor Vehicles database known as "DAVID" and stole over 200,000 records about drivers in the state. [...]

OpenAI says ChatGPT outage causes image generation errors

OpenAI is investigating an ongoing incident causing ChatGPT image generation failures and delays when uploading files. [...]

Slim Spider Steals Crypto Custody Secrets From Brazilian Financial Institution

A previously undocumented financially motivated threat actor has been linked to attacks targeting Brazilian financial institutions since at least March 2026. Cybersecurity company CrowdStrike is tracking the Brazil-based activity cluster under the name Slim Spider. "The adversary demonstrates deep operational knowledge of Brazilian financial infrastructure, including the instant payment

August updates trigger 0xc0000409 errors on Windows Server 2016

Microsoft says the August 2026 security update may trigger 0xc0000409 errors on Windows Server 2016 systems where the Compatibility Appraiser diagnostic service is enabled. [...]

Cylake Raises $245 Million Ahead of Cybersecurity Platform Beta

The startup founded by Palo Alto Networks’ Nir Zuk has raised $290 million to build an AI-native security platform for highly regulated organizations that cannot rely on the public cloud. The post Cylake Raises $245 Million Ahead of Cybersecurity Platform Beta appeared first on SecurityWeek.

SAP warns of maximum severity 'OVERPASS' kernel vulnerability

SAP has addressed 20 vulnerabilities across multiple products in its September 2026 security updates, including a maximum-severity memory corruption flaw in the SAP Kernel code. [...]