Jumat, 23 September 2022

Google Alert - Exchange Server

Google
Exchange Server
Daily update September 24, 2022
NEWS
Cybercriminals took control of enterprise Exchange Servers to spread large amounts of spam aimed at signing people up for bogus subscriptions.
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Malicious attackers are using rogue OAuth apps to gain control of Microsoft Exchange servers and spread spam.
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In one such incident, attackers deployed malicious OAuth apps on cloud tenants and took over Exchange servers to carry out spam campaigns.
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Microsoft warns that hackers are using malicious OAuth applications to gain control of Exchange email servers and spread spam to cloud tenants.
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Microsoft has confirmed the breach that allowed a threat actor to gain access to cloud tenants hosting Microsoft Exchange servers.
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A threat actor has deployed malicious OAuth applications on compromised cloud tenants in order to take control of Exchange servers, Microsoft said ...
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Microsoft has exposed a crafty case of OAuth app abuse that allowed the attackers to reconfigure the victim's Exchange server to send spam.
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Threat actors deployed OAuth applications on compromised cloud tenants and then used them to control Exchange servers and spread spam.
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Active Directory · Azure · Bing · BSoD · Database · ERP · Excel · Exchange Server · HoloLens · Internet Explorer · LinkedIn · Mark Hurd ...
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"These changes to the Exchange server settings allowed the threat actor to carry out its primary objective in the attack: to send spam messages," ...
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