Microsoft working to fix Exchange Online mailbox quarantine issue

Published on July 23, 2026

Microsoft is working to resolve an ongoing Exchange Online issue that has been mistakenly quarantining customers' mailboxes since Sunday. [...]

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Check Point warns of SmartConsole zero-day exploited in attacks

July 23, 2026
Israeli cybersecurity firm Check Point Software has addressed an actively exploited zero-day flaw in the company's SmartConsole graphical user interface (GUI) admin panel. [...]

New msaRAT malware uses Chrome, Edge browsers to route C2 traffic

July 23, 2026
The Chaos ransomware gang is using a new backdoor dubbed msaRAT that hides command-and-control (C2) communication by routing it through the Chrome or Edge browsers. [...]