Practical cybersecurity intelligence for defenders.
The Jewelbug hacker group has been carrying out espionage operations targeting governments and militaries while also engaging in cryptocurrency fraud. [...]
Read Full ArticleMicrosoft has released security patches to address a Windows zero-day vulnerability known as "LegacyHive," disclosed after the July 2026 Patch Tuesday. [...]
Read Full ArticleA recently patched critical vulnerability (CVE-2026-59310) in VMware vCenter Syslog Server is being exploited in an active campaign to deploy a reverse SSH tool for persistence and remote access. [...]
Read Full ArticleThreat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS score: 9.1), which refers to a critical security feature bypass that stems from weak authentication. It was patched by Microsoft as part of its July 2026 Patch Tuesday updates. "The authentication
Read Full ArticleThe first exploitation attempts targeting CVE-2026-71362 were observed shortly after Adobe released patches. The post Adobe Commerce Bug Targeted Immediately After Disclosure appeared first on SecurityWeek.
Read Full ArticleThe trust framework underlying Belgium's electronic ID system was fully compromised by severe vulnerabilities in a key browser extension, showcasing bigger problems with extensions in general.
Read Full ArticleThe North Korean threat actor known as Lazarus Group has been attributed to the zero-day exploitation of a newly patched security flaw impacting Microsoft Windows to deliver a never-before-seen backdoor targeting defense and aerospace companies across France, Germany, Brazil, and India. The activity, per Check Point Research, is part of Operation Dream Job, a long-running cyber espionage and
Read Full ArticleA massive set of 737 free VPN and proxy extensions have been found to mainly target Russian-speaking users seeking access to blocked services with an aim to intercept browser traffic and route them through a proxy infrastructure. The extensions, published across at least 40 Chrome Web Store developer accounts, racked up 75,486 installs. Of those identified, 274 have been found to impersonate 66
Read Full ArticleA newly disclosed flaw in the way OpenAI, Anthropic, and Google carried hidden AI reasoning between API calls let researchers recover internal reasoning and secrets from session logs, including API keys and passwords. The weakness affected encrypted reasoning objects used by the providers' reasoning APIs, where a block created in one session could be replayed into another and, during testing,
Read Full ArticleMicrosoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today.
Read Full ArticleA 26-year-old Canadian man once described as one of the most consequential cybercrime threat actors of 2024 has pleaded guilty to computer fraud and conspiracy to hack and extort more than 165 organizations that used the cloud data storage provider Snowflake. Connor Riley Moucka, of Kitchener, Ontario, also admitted to stealing call and text history records of more than 100 million AT&T customers.
Read Full ArticleA new Russian loader-as-a-service named DOUBLECUP uses ClickFix attacks to hide malicious code in PNG images cached by victims' browsers, ultimately delivering CountLoader to Windows and macOS devices and a new remote access trojan named DeviceManager to Windows systems. [...]
Read Full ArticleFake Xeno Executor installers are infecting unsuspecting Roblox players with malware that provides remote access and steals sensitive information. [...]
Read Full ArticleCybersecurity researchers have discovered a new set of malicious npm packages that target users of Alibaba developer tools with a cross-platform remote access trojan (RAT) as part of a sophisticated, targeted software supply chain attack targeting Chinese-speaking environments. One of the packages in question is "lib-mtop," an unscoped package with the same name as a private Alibaba package
Read Full ArticleMalware running as an ordinary user on a Windows machine can sign into a victim's passkey-protected accounts without a fingerprint, a PIN, or anything at all appearing on the victim's screen. Unit 42 detailed three attack paths against Chrome's Google Password Manager cloud authenticator, which it calls Pass-ta-key, Silver Pass-ta-key and Golden Pass-ta-key; the strongest targets the master key
Read Full ArticleThis week kept coming back to permission. A model crossed a boundary. A wallet trusted bad randomness. Webmail kept an intruder around. Public systems, package feeds, hotel networks, and login flows all gave away more than intended. Some of it was clever. Most of it was just access left lying around: old bugs, exposed gear, poisoned dependencies, weak defaults, and tooling that moved from
Read Full ArticleMany companies are showcasing their products and services this week at the 2026 edition of the Black Hat conference in Las Vegas. The post Black Hat USA 2026 – Summary of Vendor Announcements (Part 1) appeared first on SecurityWeek.
Read Full ArticleThe payments giant says BioCatch’s behavioral and device intelligence will help financial institutions combat account takeovers, scams and other forms of digital fraud. The post Visa to Acquire Fraud Intelligence Firm BioCatch for $2.4 Billion appeared first on SecurityWeek.
Read Full ArticleResearchers from Jesta intercepted and investigated the model, which was attempting to compromise more than 1,200 hosts for proxyjacking and to launch further attacks
Read Full ArticleCVE-2026-13072 is a denial of service vulnerability in MongoDB compute mode. Learn about its impact, affected versions, and mitigation methods.
Read Full ArticleBroadcom has released security updates to fix five vulnerabilities in VMware vCenter, ESX, Workstation, and Fusion, including three critical flaws that allow attackers to bypass authentication, execute arbitrary code, or escape from a virtual machine to the host. [...]
Read Full ArticleGoogle says artificial intelligence is dramatically increasing the number of security vulnerabilities it can find and fix in Chrome, with more than 1,000 security bugs patched across the browser's two most recent releases as it expands its use of AI. [...]
Read Full ArticleThreat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. [...]
Read Full ArticleThreat actors with ties to North Korea have been attributed to a sophisticated macOS malvertising campaign that involves redirecting users to fake web pages displaying a full-screen non-existent update sequence to deliver malware as part of a new iteration of the long-running Contagious Interview campaign. The defining aspect of the attack is that bogus macOS software update screen stealthily
Read Full ArticleA lot of security still comes down to trusting the wrong screen. This week, that screen might be a login page, an install guide, a recruiter call, or a familiar service behaving slightly wrong. Behind it: reused credentials, exposed systems, quiet loaders, abused trust, and exploit paths that should have been harder. Some defenses improved. The loose parts still got found first. Anyway,
Read Full ArticleA now-patched vulnerability in Azure Cosmos DB could have let an attacker escape the service's Gremlin query sandbox and obtain full read and write access to databases across customer tenants, according to Wiz. Wiz, which codenamed the chain CosmosEscape, said the exploit chain began with a crafted query against a Gremlin database controlled by the attacker. From there, code execution on a
Read Full ArticleHidden instructions in a Word document can make Microsoft 365 Copilot rewrite figures in a report, then copy the same instructions into the finished file. Håkon Måløy disclosed the technique on July 28, 144 days after reporting it to Microsoft. In his proof of concept, the internally generated file triggered the same behavior when it was used in a second Copilot drafting session. Måløy's
Read Full ArticleSecurity experts have been sounding the alarm for years about the risks of using generic TV boxes that promise unlimited content streaming for a one-time fee, warning that they secretly rent the user's Internet connection out to strangers. But a groundbreaking new analysis finds these devices also routinely spoof themselves as mobile phones clicking ads on AI-generated websites as part of sprawling operation that seeks to defraud online merchants and advertising networks.
Read Full ArticleIn this edition of Reporters' Notebook, our journalists discuss the ins and outs of Anthropic's Claude Mythos rollout. How seriously should we take its risks? How big of a deal is it?
Read Full ArticleGoogle's DeepMind on Tuesday announced the release of Gemini 3.5 Flash Cyber, a specialized artificial intelligence (AI) model built atop 3.5 Flash that's designed to discover, validate, and patch vulnerabilities quickly and efficiently. According to the tech giant, the model will be exclusively available to governments and trusted partners via CodeMender as part of a limited-access pilot
Read Full ArticleA third SharePoint Server flaw patched by Microsoft as part of its Patch Tuesday update for July 2026 has come under active exploitation, per watchTowr. The vulnerability in question is CVE-2026-50522 (CVSS score: 9.8), a critical deserialization of untrusted data in Microsoft Office SharePoint that could allow an unauthorized attacker to execute code over a network. Microsoft credited DEVCORE
Read Full ArticleThe open-weight Antares models are designed to pinpoint known vulnerabilities in codebases faster and at a fraction of the cost of larger AI models. The post Cisco Launches Low-Cost AI Models for Source Code Security appeared first on SecurityWeek.
Read Full ArticleA flaw in Anthropic's Claude for Chrome browser extension could allow a malicious extension to trigger predefined AI actions by simulating user clicks, potentially allowing it to abuse Claude's access to connected services such as Gmail, Google Docs, Google Calendar, and Salesforce. [...]
Read Full ArticleA new malicious framework called OkoBot is delivering more than 20 payloads in attacks focused on stealing cryptocurrency wallet seed phrases, credentials, and other sensitive data. [...]
Read Full ArticleTraditional security workflows were built for environments that changed at human speed. Token Security explains why AI agents require a new approach: building on a live identity foundation while giving security teams the flexibility to create workflows tailored to their own environments. [...]
Read Full Articlen8n, the workflow automation platform, handed out the wrong accounts at login. On Enterprise instances configured to trust more than one external token issuer, it matched an incoming JWT to a local user on the sub claim alone and ignored iss. A valid token from issuer A carrying a sub that belongs to someone under issuer B logged you in as them. Their password never
Read Full ArticleCybersecurity researchers have called attention to a new modular malware called TELEPUZ that's been spreading via websites infected with ClickFix lures since late April 2026. "The malware is full-featured, lightweight, and modular," Elastic Security Labs researcher Cyril François said in a technical report. "While the number of C2 [command-and-control] domains is currently small, the daily
Read Full ArticleClickLock Stealer, a new macOS infostealer, answers a victim's refusal by killing their apps on a loop until they hand over the login password. It arrives as a command pasted into Terminal, asks for the password behind a fake system dialog, and when the victim cancels, installs two LaunchAgents and quietly exits. At the next login, Finder, the Dock, Spotlight, Terminal, Activity Monitor, and
Read Full ArticleArtificial intelligence and LLMs can be surprisingly ineffective against text salting, allowing phishing emails to slide right into your inbox.
Read Full ArticleSecurity researcher Chaotic Eclipse (aka Nightmare-Eclipse) has released a new proof-of-concept (PoC) exploit called LegacyHive. It has been described as a Windows User Profile Service arbitrary hive load elevation of privileges vulnerability. The Windows User
Read Full ArticleMicrosoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last month. Microsoft attributed the burgeoning patch counts to vulnerability discoveries aided by artificial intelligence.
Read Full ArticleThe Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before being notified by KrebsOnSecurity. Experts say the gaps identified in the agency's initial response provide important lessons that all security teams should absorb.
Read Full ArticleThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified Communications Manager Server that is being actively exploited.
Read Full ArticleThreat actors are creating OpenAI tenants that impersonate legitimate companies and inviting employees to join them, in what appears to be a ploy to trick targets into submitting sensitive company information in chats and projects.
Read Full ArticleAI won't replace GRC analysts, but it can eliminate much of the repetitive work they do. Anecdotes walks through building an agent that continuously monitors controls, identifies evidence gaps, and opens remediation tasks.
Read Full ArticleA flaw in the Linux kernel's traffic-control subsystem can let a local unprivileged user gain root on affected systems. CVE-2026-46331, nicknamed "pedit COW," is an out-of-bounds write in the packet-editing action (act_pedit) that corrupts shared page-cache memory. A public, working exploit appeared within a day of the CVE assignment on June 16. Red Hat rates the flaw as
Read Full ArticleMicrosoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability has now been assigned the CVE identifier CVE-2026-50656 (CVSS score: 7.8), with the tech giant describing it as a privilege escalation flaw. "Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender
Read Full ArticleCVE-2026-42985 is a Remote Desktop Client Remote Code Execution vulnerability associated with CWE-416: Use After Free. The provided executive summary describes the issue as a heap-based buffer overflow that allows an unauthorized attacker to execute code over a network. The vulnerability affects the Remote Desktop Client and can be triggered when a user connects
Read Full ArticleCVE-2026-47291 is a critical remote code execution vulnerability in http.sys, the Windows kernel-mode HTTP driver that underlies IIS, WCF, WinRM, and other Windows HTTP services.
Read Full ArticleSecurity researchers at Zimperium's zLabs have documented a new Android banking trojan, Rokarolla, that targets 217 banking and cryptocurrency apps and packs 137 remote commands. Together, they give an operator near-total control of an infected phone: it lifts lock-screen PINs, reads and sends SMS, rewrites the clipboard to redirect crypto payments, and switches off Google Play
Read Full ArticleA 10-year-old authentication bypass vulnerability discovered in the phpBB forum software allows an attacker to log in as any user, including administrators.
Read Full ArticleMore than 400 packages in the Arch User Repository (AUR) are distributing a Linux rootkit and infostealer malware targeting credentials and access tokens.
Read Full ArticleCISA has ordered U.S. government agencies to secure their Check Point Remote Access VPN and Mobile Access deployments against a critical vulnerability exploited in zero-day attacks by Qilin ransomware affiliates.
Read Full ArticleCisco has released security updates to patch a critical-severity Unified Communications Manager (Unified CM) flaw that allows attackers to gain root privileges. [...]
Read Full ArticleCybersecurity researchers have shed light on a macOS malvertising campaign codenamed Operation FlutterBridge that spreads a new backdoor called FlutterShell. According to Palo Alto Networks Unit 42, the campaign is said to be the next stage of a previously reported activity cluster dubbed JSCoreRunner (aka FileRipple) in late August 2025. The cybercrime group behind the two attack chains is
Read Full ArticleCISA, the FBI, the NSA, the Department of Energy, and other US government partners are warning that hackers are targeting internet-exposed automatic tank gauge (ATG) systems used to monitor fuel and liquid storage tanks across various critical infrastructure sectors. [...]
Read Full ArticleThe Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how to trick Meta's "AI support assistant" bot into resetting account passwords.
Read Full ArticleAccording to the FBI advisory, Kali365 enables threat actors to bypass multi-factor authentication (MFA) protections without directly stealing user passwords. Instead, attackers abuse legitimate Microsoft authentication workflows to trick victims into authorizing attacker-controlled sessions.
Read Full ArticleAn Iranian state-sponsored cyber espionage group known as Nimbus Manticore has been linked to a new wave of highly targeted intrusion campaigns leveraging AI-assisted malware development, SEO poisoning, phishing operations, and trojanized enterprise software installers.
Read Full ArticleThe vulnerability, tracked as CVE-2026-26980, affects Ghost CMS versions 3.24.0 through 6.19.0 and enables unauthenticated attackers to extract sensitive database content, including administrative API keys.
Read Full ArticleRemote Sunrise Helper for Windows 2026.14 - Remote Code Execution.. local exploit for Windows platform
Read Full ArticleMicrosoft has rolled out updates to fix a remote code execution vulnerability impacting SharePoint that could be exploited by bad actors in attacks without requiring any specialized conditions to be met. The vulnerability, tracked as CVE-2026-45659, carries a CVSS score of 8.8. It has been assigned an important severity.
Read Full ArticleApache HTTP Server 2.4.66 - 'mod_http2' Double-Free Denial of Service. CVE-2026-23918 . webapps exploit for Multiple platform
Read Full ArticleLinux Kernel 6.8 - Local Privilege Escalation.. local exploit for Linux platform
Read Full ArticleMicrosoft has disclosed CVE-2026-41096, a critical heap-based buffer overflow vulnerability in Windows DNS that could allow unauthenticated remote code execution. Learn affected systems, detection guidance, and mitigation steps.
Read Full ArticleMicrosoft has patched CVE-2026-41091, a privilege escalation vulnerability affecting Microsoft Defender that was actively exploited in the wild to gain SYSTEM privileges on Windows systems.
Read Full ArticleFoxconn, the world's largest electronics manufacturer, says some of its North American factories are now working to resume normal operations after a cyberattack.
Read Full ArticleMicrosoft has unveiled a new multi-model artificial intelligence (AI)-driven system called MDASH to facilitate vulnerability discovery and remediation at scale, adding that it's being tested by some customers as part of a limited private preview. MDASH, short for multi-model agentic scanning harness, is designed as a model-agnostic system that uses bespoke AI agents for different vulnerability
Read Full ArticleThis webinar will help OT security teams and asset owners stop being cost centers and start being resilience drivers. The post Webinar Today: ROI for Cyber-Physical Security Programs appeared first on SecurityWeek.
Read Full ArticleIn the latest evolution of automated cyberattacks, two threat campaigns heavily leveraged AI agents to support attacks against entities in Mexico and Brazil.
Read Full ArticleArtificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security vulnerabilities in human-made computer code. That reality is on full display this month with some of the more widely-used software makers -- including Apple, Google, Microsoft, Mozilla and Oracle -- fixing near record volumes of security bugs, and/or quickening the tempo of their patch releases.
Read Full ArticleGerman authorities have shut down a relaunch version of the criminal marketplace 'Crimenetwork' that generated more than 3.6 million euros, and arrested its operator. [...]
Read Full ArticleCISA has given U.S. federal agencies four days to secure their networks against a high-severity vulnerability in Ivanti Endpoint Manager Mobile (EPMM) exploited in zero-day attacks.
Read Full ArticleHackers who gained access to the databases of Spanish fast-fashion retailer Zara stole data belonging to more than 197,000 customers, according to data breach notification service Have I Been Pwned.
Read Full ArticleA new Linux zero-day vulnerability, named Dirty Frag, allows local attackers to gain root privileges on most major Linux distributions with a single command.
Read Full ArticleA previously undocumented Linux implant codenamed Quasar Linux RAT (QLNX) is targeting developers' systems to establish a silent foothold as well as facilitate a broad range of post-compromise functionality, such as credential harvesting, keylogging, file manipulation, clipboard monitoring, and network tunneling. "QLNX targets developers and DevOps credentials across the software supply chain,"
Read Full ArticleThreat hunters have flagged a previously undocumented Brazilian banking trojan dubbed TCLBANKER that's capable of targeting 59 banking, fintech, and cryptocurrency platforms. The activity is being tracked by Elastic Security Labs under the moniker REF3076. The malware family is assessed to be a major update of the Maverick, which is known to leverage a worm called SORVEPOTEL to spread via
Read Full ArticleCybersecurity researchers have discovered fraudulent apps on the official Google Play Store for Android that falsely claimed to offer access to call histories for any phone number, only to trick users into joining a subscription that provided fake data and incurred financial loss. The 28 apps have collectively racked up more than 7.3 million downloads, with one of them alone accounting for over
Read Full ArticleThe hackers gained the ability to modify equipment operational parameters, creating a direct risk to the public water supply. The post Polish Security Agency Reports ICS Breaches at Five Water Treatment Plants appeared first on SecurityWeek.
Read Full ArticleIvanti warned customers today to patch a high-severity remote code execution vulnerability in Endpoint Manager Mobile (EPMM) exploited in zero-day attacks.
Read Full ArticleYour security controls aren't failing, they're missing where most of today's work actually happens. Keep Aware shows how browser activity like copy/paste and AI prompts bypass traditional protections. [...]
Read Full ArticleThe cybersecurity firm has not explicitly accused China of being behind the attack, but the evidence suggests it was. The post Palo Alto Zero-Day Exploited in Campaign Bearing Hallmarks of Chinese State Hacking.
Read Full ArticleMitiga researchers say attackers can silently redirect Claude Code MCP traffic, intercept OAuth tokens, and maintain persistent access to connected SaaS platforms.
Read Full ArticleThe fresh browser update resolves critical-severity integer overflow and use-after-free vulnerabilities.
Read Full ArticleCybersecurity firm Trellix disclosed a data breach after attackers gained access to "a portion" of its source code repository. [...]
Read Full ArticleCISA has warned that threat actors have started exploiting the "Copy Fail" Linux security vulnerability in the wild, one day after Theori researchers disclosed it and shared a proof-of-concept (PoC) exploit.
Read Full ArticleOn December 4, 2025, a 17-year-old was arrested in Osaka under Japan’s Unauthorized Access Prohibition Act. The young man had run malicious code to extract the personal data of over 7 million users of Kaikatsu Club, Japan's largest internet cafe chain. When asked, the young man shared his motivation for the hack: he wanted to buy Pokémon cards. In a sense, this is a fairly conventional story.
Read Full ArticleHackers delivered malware via a customer chat channel, infected an analyst’s system, and accessed the internal support portal.
Read Full ArticleCISA has added the bug to its KEV list, and Microsoft has observed limited exploitation, mainly associated with PoC testing.
Read Full ArticleAdvanced Account Security provides stronger login methods, more secure account recovery, shorter sessions, and training exclusion. The post OpenAI Rolls Out Advanced Security for ChatGPT Accounts.
Read Full ArticleA practical breakdown of what happened, why package repository attacks matter, and how security teams can monitor similar risks.
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