Networking All-in-One For Dummies, 8th Edition

Chapter 4

Cybersecurity

IN THIS CHAPTER

Assessing the risk for security

Looking at two pillars of cybersecurity

Identifying the most important protection and recovery measures

Examining standardized cybersecurity frameworks

Looking closer at the NIST Cybersecurity Framework

As an IT professional, cybersecurity is the thing most likely to keep you awake at night. Consider the following scenarios:

• Your phone starts ringing like crazy at 3 o’clock one afternoon because no one anywhere on the network can access any of their files. You soon discover that your network has been infiltrated by ransomware, nefarious software that has encrypted every byte of data on your network, rendering it useless to your users until you pay a ransom to recover the data.
• Your company becomes a headline on CNN because a security breach has resulted in the theft of your customers’ credit card information.
• On his last day of work, a disgruntled employee copies your company contact list and other vital intellectual ...