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CYBERSHELL BLOG
Cybersecurity insights from the CyberShell team.

Practical analysis of attack surface management, cloud security, security operations, identity risk, and cybersecurity strategy with actionable insights and recommendations.

Drawn from active engagements across our research and operations teams — real techniques, real infrastructure, and the defenses that hold up.
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Diagram showing that Microsoft Entra ID 'All Users' group includes guest accounts, increasing visibility and risks.

Link Laundering & Device-Code Deception

Phishing hit CyberShell's customers with links laundered through Google and Monday.com, plus a device-code lure that beats MFA. Here's a look at the infrastructure behind these incidents.

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Diagram showing that Microsoft Entra ID 'All Users' group includes guest accounts, increasing visibility and risks.

Middleware: The Overlooked Bridge Into Your Enterprise

An exposed integration platform can turn built-in middleware services into a path from the internet to internal systems, credentials, transaction logs, and downstream partner workflows.

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Diagram showing that Microsoft Entra ID 'All Users' group includes guest accounts, increasing visibility and risks.

When “All Users” Includes All the Guests, Too

Microsoft Entra ID guest accounts can expose legacy All Users group membership. Learn how to identify the risk and tighten guest visibility, group settings, and self-service sign-up.

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