Danish intelligence officials blamed Russia for orchestrating cyberattacks against Denmark's critical infrastructure, as part of Moscow's hybrid attacks against Western nations. [...]

WatchGuard has warned customers to patch a critical, actively exploited remote code execution (RCE) vulnerability in its Firebox firewalls. [...]

Grocery delivery service Instacart will refund $60 million to settle FTC claims that it misled customers with false advertising and unlawfully enrolled them in paid subscriptions. [...]

This month's extended security update for Windows 11 broke Message Queuing (MSMQ), which is typically used by enterprises to manage background tasks. [...]

Hackers gained access to an online coding repository belonging to the University of Sydney and stole files with personal information of staff and students. [...]

The Clop ransomware gang is targeting Internet-exposed Gladinet CentreStack file servers in a new data theft extortion campaign. [...]

An automated campaign is targeting multiple VPN platforms, with credential-based attacks being observed on Palo Alto Networks GlobalProtect and Cisco SSL VPN. [...]

Law enforcement has seized the servers and domains of the E-Note cryptocurrency exchange, allegedly used by cybercriminal groups to launder more than $70 million. [...]

NIS2 puts identity and access controls under the spotlight, with weak passwords and poor authentication now a compliance risk. Specops Software explains how to align password policies and MFA with NIS2 requirements. [...]

French authorities arrested two crew members of an Italian passenger ferry suspected of infecting the ship with malware that could have enabled them to remotely control the vessel. [...]

Hewlett Packard Enterprise (HPE) has patched a maximum-severity vulnerability in its HPE OneView software that enables attackers to execute arbitrary code remotely. [...]

Microsoft has confirmed that recent Windows updates trigger RemoteApp connection failures on Windows 11 24H2/25H2 and Windows Server 2025 devices in Azure Virtual Desktop environments. [...]

The Zeroday Cloud hacking competition in London has awarded researchers $320,000 for demonstrating critical remote code execution vulnerabilities in components used in cloud infrastructure. [...]

French authorities arrested a 22-year-old suspect on Tuesday for a cyberattack that targeted France's Ministry of the Interior earlier this month. [...]

Amazon's AWS GuardDuty security team is warning of an ongoing crypto-mining campaign that targets its Elastic Compute Cloud (EC2) and Elastic Container Service (ECS) using compromised credentials for Identity and Access Management (IAM). [...]

Threat actors are abusing the legitimate device-linking feature to hijack WhatsApp accounts via pairing codes in a campaign dubbed GhostPairing. [...]

​Cisco warned customers today of an unpatched, maximum-severity Cisco AsyncOS zero-day actively exploited in attacks targeting Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. [...]

SonicWall warned customers today to patch a vulnerability in the SonicWall SMA1000 Appliance Management Console (AMC) that was chained in zero-day attacks to escalate privileges. [...]

A ransomware gang exploited the critical React2Shell vulnerability (CVE-2025-55182) to gain initial access to corporate networks and deployed the file-encrypting malware less than a minute later. [...]