Certified Ethical Hacker (CEH) Preparation Guide: Lesson-Based Review of Ethical Hacking and Penetration Testing

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

A. SheikhCertified Ethical Hacker (CEH) Preparation Guidehttps://doi.org/10.1007/978-1-4842-7258-9_3

3. Enumeration

Ahmed Sheikh¹  

(1)

Miami, FL, USA

 

Enumeration involves connecting to a system, so it takes port scanning to the next level. Since enumeration is a more intrusive part of testing, you must have the organization’s permission as an ethical hacker. You are attempting to retrieve information and gain access to servers by using the employee logon accounts. In this chapter, you will learn about enumeration techniques, how to establish a null session, and how to identify enumeration countermeasures. You will learn about important concepts involving active ...