n6 (Network Security Incident eXchange) is a system designed for collecting, managing, and distributing security information through a REST API and web interface for authorized users. Developed by CERT Polska, it facilitates access to data on network threats and incidents. The software is open-source and distributed under the GNU Affero General Public License.

Maltrail is a malicious traffic detection system that utilizes various blacklists and heuristic mechanisms to identify and report suspicious activities such as malware and unauthorized access attempts. It operates on a sensor-server-client architecture, allowing for real-time monitoring and logging of network traffic, and can be set up easily on Linux systems or via Docker. The system supports extensive customization through user-defined lists and integrates various data sources for comprehensive threat detection.