IDS & IPS Guide 🛡️🚨

1. What are IDS & IPS?

IDS detects suspicious activity, while IPS actively blocks malicious traffic.

2. Key Difference

IDS → Monitor + Alert
IPS → Monitor + Block

3. Types

NIDS → Network-based
HIDS → Host-based

4. How it Works

Traffic → Analyze → Detect → Alert/Block

5. Detection Methods

Signature-based → Known attacks
Anomaly-based → Unusual behavior

6. Tools

Snort → IDS/IPS
Suricata → Advanced detection
OSSEC → Host-based IDS

7. Real Use Cases

• Detect cyber attacks 🚨
• Protect enterprise networks 🏢
• Monitor traffic 📊
• Security operations (SOC) 🛡️