Community-based GPL-licensed network monitoring system
MISP (core software) - Open Source Threat Intelligence and Sharing Platform (formely known as Malware Information Sharing Platform)
Magento 2 Security Suite extension gives store owners the ability to detect the IP addresses that are intentionally attacking their store at any given time. Therefore, they have timely measures to prevent this issue such as blocking those IP addresses or sending warning emails to store owners.
PHP class for the CVSS v3 (Common Vulnerability Scoring System)
Silex security jwt service provider (silex 1.x and 2.x version) allow oauth2 header
A package for serving `security.txt` in Laravel 5.5+, based on configuration settings. https://securitytext.org/
A PHP-based sandboxing library with a full suite of configuration and validation options.