INCIDENT EVIDENCE GRAPH

Hotel Wi-Fi attacks use custom malware to breach Microsoft 365 accounts

2026-08-04T00:17:15Z

Microsoft has linked a global campaign targeting hospitality Wi-Fi networks to the Russian threat actor Midnight Blizzard, also known as APT29. [...]

• Victim: Hospitality Wi-Fi networks and Microsoft 365 account users
• Actor: Midnight Blizzard (APT29)
• Method: Custom malware delivered through hotel Wi-Fi attacks to breach Microsoft 365 accounts

Primary evidence

1. Hotel Wi-Fi attacks use custom malware to breach Microsoft 365 accounts

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