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Microsoft Executives’ Emails Breached by Russia Hackers

ID: 799cb4b7-a187-522c-ad81-ce09f558fe15

STIX ID: report--799cb4b7-a187-522c-ad81-ce09f558fe15

Feed Name: HackRead

Threat Score
85/100

Date Published: 2024-01-20

Date Updated: 2026-04-22

Author: Waqas

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Microsoft disclosed that Russia-linked APT Nobelium (Midnight Blizzard) exploited a compromised legacy test account to access and exfiltrate a small percentage of employee email accounts — including executives, cybersecurity and legal staff — detected in January 2024; Microsoft removed the actor’s access, reported no customer data loss, and continues investigation with law enforcement.

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