Ghost sender: Exchange Online lets fake emails through without any problems
Heise Security (DE)·2h·Reputable
Not all corporate customers of Microsoft's mail service are affected. A testing service creates clarity and shows the possible effects.
Categories cybersecurity · government-security · data-protection
Original source / advisory ↗Published
6/10/2026, 2:58:00 PM
Fetched
6/10/2026, 3:19:32 PM
Trust
reputable · 80/100
Language
de