Hotmail users worldwide have problems sending emails, with messages flagged as spam or not delivered after Microsoft misconfigured the domain's DNS SPF record.
The Knight ransomware is being distributed in an ongoing spam campaign that pretends to be TripAdvisor complaints.
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Microsoft has released the optional KB5028244 Preview cumulative update for Windows 10 22H2 with 19 fixes or changes, including an update to the Vulnerable Driver Blocklist to block BYOVD attacks.
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The QBot malware operation has started to abuse a DLL hijacking flaw in the Windows 10 WordPad program to infect computers, using the legitimate program to evade detection by security software.
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Cybersecurity researchers and IT admins have raised concerns over Google's new ZIP and MOV Internet domains, warning that threat actors could use them for phishing attacks and malware delivery.
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