From VMware to what’s next: Protecting data during hypervisor migration

Hypervisor migrations can introduce hidden risks that threaten data availability and recovery. Acronis explains why verified backups and cross-platform recovery are essential during VMware transitions. [...]

https://www.bleepingcomputer.com/news/security/from-vmware-to-whats-next-protecting-data-during-hypervisor-migration/

 Microsoft investigates classic Outlook sync and connection issues

​Microsoft is investigating several issues causing email synchronization and connection problems when using the classic Outlook desktop client. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-investigates-classic-outlook-sync-and-connection-issues/

 Poland's nuclear research centre targeted by cyberattack

Poland's National Centre for Nuclear Research (NCBJ) says hackers targeted its IT infrastructure, but the attack was detected and blocked before causing any impact. [...]

https://www.bleepingcomputer.com/news/security/polands-nuclear-research-centre-targeted-by-cyberattack/

 FBI seeks victims of Steam games used to spread malware

The FBI is asking gamers who installed Steam titles containing malware to provide information as part of an ongoing investigation into eight malicious games uploaded to the gaming platform. [...]

https://www.bleepingcomputer.com/news/security/fbi-seeks-victims-of-steam-games-used-to-spread-malware/

 Microsoft: Windows 11 users can't access C: drive on some Samsung PCs

Microsoft is investigating a new issue affecting some Samsung laptops running Windows 11 after installing the February 2026 security updates, in which users lose access to their C:\ drive and are unable to launch applications. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-windows-11-users-cant-access-c-drive-on-some-samsung-pcs/

 AppsFlyer Web SDK hijacked to spread crypto-stealing JavaScript code

The AppsFlyer Web SDK was temporarily hijacked this week with malicious code used to steal cryptocurrency in a supply-chain attack. [...]

https://www.bleepingcomputer.com/news/security/appsflyer-web-sdk-used-to-spread-crypto-stealer-javascript-code/

 Microsoft re-releases Windows 11 OOB hotpatch to fix RRAS RCE flaw

Microsoft has released an out-of-band (OOB) update to fix a security vulnerabilities affecting Windows 11 Enterprise devices that receive hotpatch updates instead of the regular Patch Tuesday cumulative updates. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-re-releases-windows-11-oob-hotpatch-to-fix-rras-rce-flaw/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/

 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/