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Storm Chasing: How We Hacked Your Cloud

ID: 962673dc-99e6-58ad-8a92-a06106074a4e

STIX ID: report--962673dc-99e6-58ad-8a92-a06106074a4e

Feed Name: Black Hills Infosec Blog

Threat Score
70/100

Date Published: 2016-05-26

Date Updated: 2026-04-27

Author: BHIS

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This blog post recounts a black-box external assessment where attackers password-sprayed Office 365 accounts, used a compromised mailbox to enumerate the Outlook address book and SharePoint (discovering sensitive documents and VPN configuration), then used that information to connect via VPN and escalate to domain admin; the author recommends enabling multi-factor authentication and coordinating third-party pentest authorization.

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