PHP / Security
Security provides an infrastructure for sophisticated authorization systems, which makes it possible to easily separate the actual authorization logic from so called user providers that hold the users credentials. It is inspired by the Java Spring framework.
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.
Provides a list of PHP built-in functions that operate on resources
Adds CORS (Cross-Origin Resource Sharing) headers support in your Laravel application
A database of PHP security advisories
Pure PHP polyfill for ext/sodium
A petite library of encryption functions for PHP