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The OSI Model and Its Two Missing Layers

12 June 2026 at 14:29

Cybersecurity failures now happen beyond the OSI stack. Faulty governance, the human factor, and AI tools create new attack surfaces. After seven years working across cybersecurity, cloud infrastructure, and Zero Trust architecture, Jayal Yadav explains how we got here and what organizations still get wrong. β€œThe original seven layers of the OSI model still matter. […]

The post The OSI Model and Its Two Missing Layers appeared first on Heimdal Security Blog.

When Buyers Discount MSPs With One Big Customer

27 November 2025 at 13:22

Your biggest customer loves you. Three years together. They trust you, pay on time, and refer others. From where you sit, that’s loyalty. From where a buyer sits, that’s a $$$ discount on your exit. This perception gap kills more MSP deals than bad financials. Sam Levy saw it constantly when he led tech mergers […]

The post When Buyers Discount MSPs With One Big Customer appeared first on Heimdal Security Blog.

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