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intermediate20-30 minutes
How to Identify Unknown Network Devices
Track down mystery devices on your network using MAC address lookup
❌ The Problem
Unknown devices appearing on network could be security threats
✅ The Solution
Use MAC address lookup to identify device manufacturers and types
Your Progress
0 of 7 steps completedStep-by-Step Instructions
Step 1
List all connected devices from router/switch
Step 2
Extract MAC addresses of unknown devices
Step 3
Use MAC lookup tool to find manufacturer
Step 4
Cross-reference with device inventory
Step 5
Check for spoofed MAC addresses
Step 6
Block unauthorized devices
Step 7
Implement MAC address filtering
Tools You\'ll Need
💡 Pro Tips
- • Take your time with each step - rushing can lead to mistakes
- • Document your findings as you go for future reference
- • Test changes in a safe environment before applying to production
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