Hot fix

A hot fix is a workaround or solution to a single customer-reported issue. Hot fixes are issue-specific, and therefore are not released to all customers. For non-Windows hot fixes, applying a hot fix typically requires stopping program daemons, copying the hot fix file to overwrite its counterpart in your installation, and restarting the daemons.

Security patch

A security patch focuses on security issues suitable for deployment to all customers. Non-Windows patches commonly include a setup script.

Patch

A patch is a group of hot fixes and security patches that solve multiple program issues. Trend Micro makes patches available on a regular basis. Non-Windows patches commonly include a setup script.