From corporate America to the local town’s little league, we rely on digital networks to communicate, store information, and conduct transactions. Securing these networks is critical to prevent cyber-attacks and thwart any criminal activity. Network Security encompasses a multitude of techniques and methodologies. For this unit’s discussion, we want to explore packet sniffers.

• Define what a packet sniffer is. 
• How do these packet sniffers work? 
• How are packet sniffers used to prevent Network attacks? 
• Research a specific packet sniffer and explain its features.