Intrusion Detection System
An Intrusion Detection System (IDS) is a security tool that monitors network traffic or system activities for malicious actions or policy violations. It analyzes data to detect suspicious patterns, such as unauthorized access attempts or malware, and generates alerts for administrators. IDS can be network-based (NIDS) to inspect traffic or host-based (HIDS) to monitor individual devices.
Developers should learn and use IDS to enhance application and infrastructure security, especially in environments handling sensitive data or facing cyber threats. It's crucial for compliance with regulations like GDPR or HIPAA, and for detecting attacks like DDoS or SQL injection in real-time. Use cases include securing web applications, cloud deployments, and corporate networks.