TYPO3 v9 has reached its end-of-life September 30th, 2021 and is not maintained by the community anymore. Looking for a stable version? Use the version switch on the top left.

You can order Extended Long Term Support (ELTS) here: TYPO3 ELTS.

Security Guidelines

This chapter describes some typical risks and advises how to protect a TYPO3 site in order to ensure it is and stays secure and stable.