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Site title: Managed Detection & Response and Cybersecurity Incident Response | Critical Start

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CRITICALSTART® Security Advisory: OAuth Device Code Phishing Campaign harshita Tue, 04/21/2026 - 14:46

On April 20, 2026, Critical Start's Cyber Research Unit (CRU) investigated a large-scale phishing campaign targeting CRITICALSTART® employees and potentially its customer base. The campaign uses social engineering lures with subjects such as "...


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Security Advisory on OAuth Device Code Phishing Campaign harshita Tue, 04/21/2026 - 14:33

A large-scale phishing campaign exploits Microsoft OAuth device code authentication to bypass MFA entirely. Attackers use self-spoofed emails with NDA and HR lures that pass email authentication checks. Victims authenticate on Microsoft's legitimate portal using attacker-genera...


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No Asterisk, Ep4: Improving Your Microsoft Security Posture: From Risk to Resilience harshita Fri, 04/17/2026 - 15:22

83% of security professionals experience breaches despite having tools in place — often due to simple misconfigurations. In this webinar, Critical Start's Field CISO Tim Bandos demonstrates PAT, a free tool that analyzes your...


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