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Jerrad Dahlager
Jerrad Dahlager, CISSP, CCSP Cloud Security Architect Β· Adjunct Instructor
About me β†’

GigaWiper Detection as Code: Testing the Sentinel Repositories Preview

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Microsoft published its technical analysis of GigaWiper on July 9, 2026. Microsoft describes it as a modular backdoor with destructive capabilities, including scheduled-task persistence, RabbitMQ-over-AMQP command C2, Redis status and output …

From Authorization to Action: Operationalizing CISA's Microsoft Cloud Logs Playbook in Sentinel

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CISA released the Microsoft Expanded Cloud Logs Implementation Playbook on January 15, 2025. Its implementation guidance remains a practical baseline for deciding which Microsoft cloud audit signals belong in a defensible logging program. That is …

Block Device Code Phishing in Entra Without Breaking Legit Workflows

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Device code phishing is nasty because the user does not hand over a password. They hand over a session. The lure sends the victim to a legitimate Microsoft device sign-in page. The victim enters a short code. Entra ID issues tokens to the attacker’s …

Detecting Infostealer Session Hijacking with Microsoft Sentinel

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Nearly 70% of incidents in the Americas now begin with stolen or misused accounts. Infostealers are the engine behind that number – families like Lumma, RedLine, and Vidar export browser cookies and session tokens directly from the victim’s machine, …

Detecting OAuth Redirect Abuse with Microsoft Sentinel and Entra ID

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On March 2, 2026, Microsoft published an advisory on OAuth redirection abuse enabling phishing and malware delivery. Microsoft described phishing-led campaigns where attackers register OAuth apps with attacker-controlled redirect URIs, then send …