| # Security Policy | |
| ## Supported Versions | |
| | Version | Supported | | |
| | ------- | ------------------ | | |
| | 4.0.x | :white_check_mark: | | |
| | 3.0.x | :white_check_mark: | | |
| | 2.4.x | :white_check_mark: | | |
| | < 2.4.x | :x: | | |
| ## Reporting a Vulnerability | |
| For information on how to report a new security problem please see [here](https://www.apache.org/security/). | |
| Our existing security advisories are published [here](http://ws.apache.org/wss4j/security_advisories.html). |