Storm-2755 payroll pirate campaign targeting Canadian employees
Campaign
Summary
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The Storm-2755 campaign is stealing Canadian employees' salary payments by hijacking accounts through Microsoft 365 phishing pages, creating immediate payroll-diversion risk. The operation uses adversary-in-the-middle (AiTM) token theft to replay sessions and bypass MFA. After access is gained, the operators hide HR messages and alter direct deposit details in Workday or by email.
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Timeline
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10.04.2026 14:56 2 articles · 3mo ago
Storm-2755 payroll diversion campaign targeting Canadian employees
Initial DisclosureStorm-2755 is targeting Canadian employees in payroll pirate attacks that push victims toward malicious Microsoft 365 sign-in pages, including domains such as bluegraintours[.]com, use malvertising or SEO poisoning to steal authentication tokens and session cookies, replay the stolen sessions in adversary-in-the-middle (AiTM) activity to bypass MFA, hide HR email about direct deposit or bank details, and update payroll banking information through email or direct access to Workday.
Show sources
- Microsoft: Canadian employees targeted in payroll pirate attacks — www.bleepingcomputer.com — 10.04.2026 14:56
- Microsoft: Canadian employees targeted in payroll pirate attacks — www.bleepingcomputer.com — 10.04.2026 14:56