Book Image

Practical Network Scanning

By : Ajay Singh Chauhan
Book Image

Practical Network Scanning

By: Ajay Singh Chauhan

Overview of this book

Network scanning is the process of assessing a network to identify an active host network; same methods can be used by an attacker or network administrator for security assessment. This procedure plays a vital role in risk assessment programs or while preparing a security plan for your organization. Practical Network Scanning starts with the concept of network scanning and how organizations can benefit from it. Then, going forward, we delve into the different scanning steps, such as service detection, firewall detection, TCP/IP port detection, and OS detection. We also implement these concepts using a few of the most prominent tools on the market, such as Nessus and Nmap. In the concluding chapters, we prepare a complete vulnerability assessment plan for your organization. By the end of this book, you will have hands-on experience in performing network scanning using different tools and in choosing the best tools for your system.
Table of Contents (19 chapters)
Title Page
Packt Upsell
Contributors
Preface
Index

Disk encryption


It is important to secure any server that manages business critical data and its customers. The fact that servers reside in a secured facility doesn't prevent them from being at risk to data loss or theft. Sometimes storage drives in a server are misplaced during transportation, which can lead to data loss. Another example would be to prevent offline attacks. If data drives are stolen and inserted into another system to boot with another operating system, this basically bypasses the password protection. If that drive isn't encrypted, its information can be retrieved and exposed to unwanted audiences, leaving an organization at risk of regulatory violations, personal lawsuits, and damage to its corporate reputation.

Full-disk encryption

Let's explore the process in detail, looking at how the whole disk encryption works. Full disk encryption encrypts an entire disk drive. When an authenticated user accesses a file from a fully encrypted drive, the encryption technology decrypts...