// glossary entry
Extension (TYPO3)
Definition: A functionality extension for TYPO3, similar to an app on a smartphone, it is installed to add new features such as news, a shop, or forms.
Everyday analogy: The core TYPO3 system is like a car. Extensions are like roof racks, a tow hitch, or heated seats, you only install what you really need.
How we use it: We check every extension for its maintenance status, security, and impact on performance. Outdated extensions are the most common entry point for attacks.
// synonyms
- TYPO3 Extension
- TYPO3 Module
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