HMC Management Consulting|Dipl.-Inform. Univ.  STEFAN HABLE  (equiv. to M.Sc. in Computer Science)

IT Glossary – 2,000+ Terms & Concepts

Information technology explained clearly and concisely – from A as in 'API' to Z as in 'Zero Trust'. For seminars, work, and a quick lookup in between – including on your phone. – Updated:  2026-09-23

Note: This is a fully functional IT glossary. Some additional convenience features available in the German version will be added here later.
One term. One clear explanation. This reference brings together key terms, abbreviations, technologies, products, and concepts from modern IT. The explanations are deliberately concise, technically grounded, and illustrated where an analogy explains more than three definitions. Important connections lead directly to related entries. The glossary is continuously expanded and refined.
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Please use the glossary directly on this website.