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Ghost-Sender - Universal Email Spoofing against Exchange Online (opens in new tab) 聽馃敀Email Security 聽Content type: Blog

labs.infoguard.ch路路r/sysadmin路Covered by thehackernews.com + 1 more路Open original (opens in new tab)

An analysis of a widely available Exchange Online misconfiguration allowing attackers to spoof internal and external senders.

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