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Joe Hertvik

Joe Hertvik PMP owns Hertvik & Associates, an IT infrastructure and marketing management consultancy. Joe provides contract services for IT environments including project management, data center, network, infrastructure and IBM i management. His company also provides marketing, content strategy and content production services for B2B IT industry companies. Joe has produced over 1,000 articles and IT-related content for various publications and tech companies over the last 15 years. Joe can be reached via email at and on LinkedIn.

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The OSI Model in 7 Layers: How It’s Used Today

The OSI Model is not old news...In fact, it's still in use across the entire internet today! Read on to see exactly how these 7 layers work.
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NOC vs SOC: Comparing Network & Security Operations Centers

NOCs and SOCs are functions no business can ignore. Understand the different goals and responsibilities so you can succeed at network & security operations.