The Lumma infostealer malware operation is gradually resuming activities following a massive law enforcement operation in May, which resulted in the seizure of 2,300 domains and parts of its infrastructure. [...]

​​Microsoft has released the KB5062660 preview cumulative update for Windows 11 24H2 with twenty-nine new features or changes, with many gradually rolling out, such as the new Black Screen of Death and Quick Machine Recovery tool. [...]

Microsoft is rolling out significant changes to Windows 11 24H2 as part of the Windows Resilience Initiative, designed to reduce downtime and help devices recover from serious failures, as well as an overhaul of the all-too-familiar BSOD crash screens. [...]

A new variant of the banking trojan 'Coyote' has begun abusing a Windows accessibility feature, Microsoft's UI Automation framework, to identify which banking and cryptocurrency exchange sites are accessed on the device for potential credential theft. [...]

CISA and the FBI warned on Tuesday of increased Interlock ransomware activity targeting businesses and critical infrastructure organizations in double extortion attacks. [...]

AMEOS Group, an operator of a massive healthcare network in Central Europe, has announced it has suffered a security breach that may have exposed customer, employee, and partner information. [...]

Cisco is warning that three recently patched critical remote code execution vulnerabilities in Cisco Identity Services Engine (ISE) are now being actively exploited in attacks. [...]

The United Kingdom's government is planning to ban public sector and critical infrastructure organizations from paying ransoms after ransomware attacks. [...]

Hackers with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft SharePoint zero-day vulnerability chain. [...]

Microsoft is asking businesses to reach out for support to mitigate a known issue causing Cluster service and VM restart issues after installing this month's Windows Server 2019 security updates. [...]

The Clear Linux OS team has announced the shutdown of the project, marking the end of its 10-year existence in the open-source ecosystem. [...]

Ring is warning that a backend update bug is responsible for customers seeing a surge in unauthorized devices logged into their account on May 28th. [...]

ExpressVPN has fixed a flaw in its Windows client that caused Remote Desktop Protocol (RDP) traffic to bypass the virtual private network (VPN) tunnel, exposing the users' real IP addresses. [...]

Veeam warned customers today that a recently released Recovery Orchestrator version blocks Web UI logins after enabling multi-factor authentication (MFA). [...]

The House of Dior (Dior) is sending data breach notifications to U.S. customers informing them that a May cybersecurity incident compromised their personal information. [...]

Over 1,000 CrushFTP instances currently exposed online are vulnerable to hijack attacks that exploit a critical security bug, providing admin access to the web interface. [...]

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A newly rebranded extortion gang known as "World Leaks" breached one of Dell's product demonstration platforms earlier this month and is now trying to extort the company into paying a ransom. [...]

Microsoft has released emergency SharePoint security updates for two zero-day vulnerabilities tracked as CVE-2025-53770 and CVE-2025-53771 that have compromised services worldwide in "ToolShell" attacks. [...]