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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
Max severity Ubiquiti UniFi flaw may allow account takeover
Ubiquiti has patched two vulnerabilities in the UniFi Network Application, including a maximum-severity flaw that may allow attackers to take over user accounts. [...]
https://www.bleepingcomputer.com/news/security/ubiquiti-warns-of-unifi-flaw-that-may-enable-account-takeover/
New ‘Perseus’ Android malware checks user notes for secrets
A new Android malware called Perseus is checking user-curated notes to steal sensitive information, like passwords, recovery phrases, or financial data. [...]
https://www.bleepingcomputer.com/news/security/new-perseus-android-malware-checks-user-notes-for-secrets/
Aura confirms data breach exposing 900,000 marketing contacts
Identity protection company Aura has confirmed that an authorized party gained access to nearly 900,000 customer records containing names and email addresses. [...]
https://www.bleepingcomputer.com/news/security/aura-confirms-data-breach-exposing-900-000-marketing-contacts/
ConnectWise patches new flaw allowing ScreenConnect hijacking
ConnectWise is warning ScreenConnect customers of a cryptographic signature verification vulnerability that could lead to unauthorized access and privilege escalation. [...]
https://www.bleepingcomputer.com/news/security/connectwise-patches-new-flaw-allowing-screenconnect-hijacking/
Marquis: Ransomware gang stole data of 672K people in cyberattack
Marquis, a Texas-based financial services provider, revealed this week that a ransomware gang stole the data of over 670,000 individuals in an August 2025 cyberattack that also disrupted operations at 74 banks across the United States. [...]
https://www.bleepingcomputer.com/news/security/marquis-ransomware-gang-stole-data-of-672-000-people-in-2025-cyberattack/
New “Darksword” iOS exploit used in infostealer attack on iPhones
A new exploit kit for iOS devices and delivery framework dubbed "Darksword" has been used to steal a wide range of personal information, including data from cryptocurrency wallet app. [...]
https://www.bleepingcomputer.com/news/security/new-darksword-ios-exploit-used-in-infostealer-attack-on-iphones/
Apple pushes first Background Security Improvements update to fix WebKit flaw
Apple has released its first Background Security Improvements update to fix a WebKit flaw tracked as CVE-2026-20643 on iPhones, iPads, and Macs without requiring a full operating system upgrade. [...]
https://www.bleepingcomputer.com/news/security/apple-pushes-first-background-security-improvements-update-to-fix-webkit-flaw/
Europe sanctions Chinese and Iranian firms for cyberattacks
The European Union Council has announced sanctions against three entities and two individuals for their involvement in cyberattacks targeting critical infrastructure in the region. [...]
https://www.bleepingcomputer.com/news/security/europe-sanctions-chinese-and-iranian-firms-for-cyberattacks/
New font-rendering trick hides malicious commands from AI tools
A new font-rendering attack causes AI assistants to miss malicious commands shown on webpages by hiding them in seemingly harmless HTML. [...]
https://www.bleepingcomputer.com/news/security/new-font-rendering-trick-hides-malicious-commands-from-ai-tools/
LeakNet ransomware uses ClickFix, Deno runtime in stealthy attacks
The LeakNet ransomware gang is now using the ClickFix technique for initial access into corporate environments and deploys a malware loader based on the open-source Deno runtime for JavaScript and TypeScript. [...]
https://www.bleepingcomputer.com/news/security/leaknet-ransomware-uses-clickfix-and-deno-runtime-for-stealthy-attacks/
New Windows 11 hotpatch fixes Bluetooth device visibility issue
Microsoft has released an emergency update to fix a Bluetooth device visibility issue on hotpatch-enabled Windows 11 Enterprise devices. [...]
https://www.bleepingcomputer.com/news/microsoft/new-windows-11-hotpatch-fixes-bluetooth-device-visibility-issue/
Stryker attack wiped tens of thousands of devices, no malware needed
Last week's cyberattack on medical technology giant Stryker was limited to its internal Microsoft environment and remotely wiped tens of thousands of employee devices. [...]
https://www.bleepingcomputer.com/news/security/stryker-attack-wiped-tens-of-thousands-of-devices-no-malware-needed/
UK’s Companies House confirms security flaw exposed business data
Companies House, a British government agency that operates the registry for all U.K. companies, says its WebFiling service is back online after it was closed on Friday to fix a security flaw that exposed companies' information since October 2025. [...]
https://www.bleepingcomputer.com/news/security/uks-companies-house-confirms-security-flaw-exposed-business-data/
Shadow AI is everywhere. Here’s how to find and secure it.
Shadow AI is quietly spreading across SaaS environments as employees adopt new AI tools without IT oversight. Nudge Security explains how security teams can discover AI apps, monitor usage, and govern risky AI activity. [...]
https://www.bleepingcomputer.com/news/security/shadow-ai-is-everywhere-heres-how-to-find-and-secure-it/
OpenAI says ChatGPT ads are not rolling out globally for now
OpenAI told BleepingComputer that ChatGPT ads on Free and Go plans are not yet rolling out outside the United States, even though some users noticed references to ads in the updated privacy policy. [...]
https://www.bleepingcomputer.com/news/artificial-intelligence/openai-says-chatgpt-ads-are-not-rolling-out-globally-for-now/
CISA urges US orgs to secure Microsoft Intune systems after Stryker breach
CISA warned U.S. organizations to follow Microsoft guidance to strengthen the Intune endpoint management tool after a cyberattack exploited it to wipe medical technology giant Stryker's systems. [...]
https://www.bleepingcomputer.com/news/security/cisa-warns-businesses-to-secure-microsoft-intune-systems-after-stryker-breach/
Critical Microsoft SharePoint flaw now exploited in attacks
A critical Microsoft SharePoint vulnerability patched in January is now being exploited in attacks, the Cybersecurity and Infrastructure Security Agency (CISA) warned. [...]
https://www.bleepingcomputer.com/news/microsoft/critical-microsoft-sharepoint-flaw-now-exploited-in-attacks/
CISA orders feds to patch Zimbra XSS flaw exploited in attacks
CISA has ordered U.S. government agencies to secure their servers against an actively exploited vulnerability in the Zimbra Collaboration Suite (ZCS). [...]
https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-zimbra-xss-flaw-exploited-in-attacks/
Ransomware gang exploits Cisco flaw in zero-day attacks since January
The Interlock ransomware gang has been exploiting a maximum severity remote code execution (RCE) vulnerability in Cisco's Secure Firewall Management Center (FMC) software in zero-day attacks since late January. [...]
https://www.bleepingcomputer.com/news/security/interlock-ransomware-exploited-secure-fmc-flaw-in-zero-day-attacks-since-january/
The Refund Fraud Economy: Exploiting Major Retailers and Payment Platforms
Refund fraud is now a business, with methods and tutorials sold to exploit return policies for profit. Flare shows how fraudsters turn refunds and chargebacks into a repeatable profit model. [...]
https://www.bleepingcomputer.com/news/security/the-refund-fraud-economy-exploiting-major-retailers-and-payment-platforms/
Nordstrom's email system abused to send crypto scams to customers
Customers of upscale department store chain Nordstrom received fraudulent messages from a legitimate company email address that promoted cryptocurrency scams disguised as a St. Patrick's Day promotion. [...]
https://www.bleepingcomputer.com/news/security/nordstroms-email-system-abused-to-send-crypto-scams-to-customers/
GlassWorm malware hits 400+ code repos on GitHub, npm, VSCode, OpenVSX
The GlassWorm supply-chain campaign has returned with a new, coordinated attack that targeted hundreds of packages, repositories, and extensions on GitHub, npm, and VSCode/OpenVSX extensions. [...]
https://www.bleepingcomputer.com/news/security/glassworm-malware-hits-400-plus-code-repos-on-github-npm-vscode-openvsx/
Top 5 Things CISOs Need to Do Today to Secure AI Agents
AI agents are autonomous actors with real access to data and systems, not just copilots. Token Security explains why identity-based access control is critical to prevent misuse and data exposure. [...]
https://www.bleepingcomputer.com/news/security/top-5-things-cisos-need-to-do-today-to-secure-ai-agents/
Microsoft stops force-installing the Microsoft 365 Copilot app
Microsoft has stopped automatically installing the Microsoft 365 Copilot app on Windows devices outside the European Economic Area (EEA) that have the Microsoft 365 desktop client apps. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-stops-force-installing-the-microsoft-365-copilot-app/
Microsoft shares fix for Windows C: drive access issues on Samsung PCs
Microsoft has shared guidance to fix C:\ drive access issues and app failures on some Samsung laptops running Windows 11, versions 25H2 and 24H2. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-shares-fix-for-windows-c-drive-access-issues-on-samsung-pcs/
Microsoft: Enabling Teams Meeting add-in breaks Outlook Classic
Microsoft is working to address a known issue that renders the classic Outlook email client unusable for users who have enabled the Microsoft Teams Meeting Add-in. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-enabling-teams-meeting-add-in-breaks-outlook-classic/
CISA flags Wing FTP Server flaw as actively exploited in attacks
CISA warned U.S. government agencies to secure their Wing FTP Server instances against an actively exploited vulnerability that may be chained in remote code execution attacks. [...]
https://www.bleepingcomputer.com/news/security/cisa-flags-wing-ftp-server-flaw-as-actively-exploited-in-attacks/
Microsoft Exchange Online outage blocks access to mailboxes
Microsoft is working to address an ongoing Exchange Online outage that is preventing customers from accessing their mailboxes and calendars. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-exchange-online-outage-blocks-access-to-mailboxes/
Microsoft pulls Samsung app blocking Windows C: drive from Store
Microsoft has removed the Samsung Galaxy Connect app from the Microsoft Store because it was causing issues on specific Samsung Galaxy Book 4 and desktop models running Windows 11. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-pulls-samsung-app-blocking-windows-c-drive-from-store/
Betterleaks, a new open-source secrets scanner to replace Gitleaks
A new open-source tool called Betterleaks can scan directories, files, and git repositories and identify valid secrets using default or customized rules. [...]
https://www.bleepingcomputer.com/news/security/betterleaks-a-new-open-source-secrets-scanner-to-replace-gitleaks/