Tag: ghost-sender

security

Ghost-Sender: Exchange Online lässt gefälschte E-Mails anstandslos durch2heise Security

10.06.2026

Ghost-Sender: Exchange Online lässt gefälschte E-Mails anstandslos durch2heise Security Quelle: Heise Security Ticker

security

Microsoft Exchange Flaw Lets Attackers Spoof Any Email Address

09.06.2026

“Ghost-Sender" is the result of a widespread misconfiguration, according to researchers, and evidence indicates it’s being actively abused in the wild.

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