📖 What is MAC Address Spoofing?
A Layer 2 attack where an attacker changes their device's MAC address to impersonate a legitimate device, often to bypass access controls or hijack traffic.
"Port Security is your primary defense against MAC spoofing at the access layer. Locking down a port to a specific MAC address prevents attackers from successfully impersonating it on that port."
📚 Certification: Certified Network Associate (200-301)
🔑 What are the Key Concepts of MAC Address Spoofing?
- ▸ Impersonating a legitimate MAC address
- ▸ Layer 2 attack
- ▸ Mitigated by Port Security
🎯 How does MAC Address Spoofing appear on the 200-301 Exam?
Describing how an attacker bypasses MAC filtering by spoofing an authorized device's MAC address.
Choosing Port Security as the primary defense against MAC spoofing.
❓ Frequently Asked Questions
What is the goal of MAC address spoofing?
To bypass access controls, hijack traffic intended for another device, or launch a denial-of-service attack.
How can Port Security prevent MAC spoofing?
By limiting the specific MAC addresses allowed on a switch port, preventing an attacker's spoofed MAC from communicating.