13 Free Disk Encryption, Network Authentication And Port Scanning Tools

Data security covers a lot of things nowadays. There are tools that protect your data from attackers in different stages and forms. While some protect your network to avoid the entry of attackers, others encrypt the data. Here are some immensely useful tools.

Disk Encryption Tools: The risk of loss of information is a very realistic threat to anyone using a computer regularly. Data encryption ensures that even if your data is stolen or lost, the attacker has another line of defense to get by first.

1. loop-AES

2. dm-crypt

3. cryptsetup

4. SD4L

5. TrueCrypt

Port Scanners When connecting to servers, it is important to find out whether the systems ports are open or closed. These are the tools that do that.

1. Nmap

2. Unicornscan

3. Zenmap

4. nast (Network Analysis Sniffer Tool)

5. Knocker

Network Authentication Servers: Network authentication is an important aspect in maintaining security. The Rapid Authentication Dial In Service (RADIUS) is usually the choice

1. FreeRADIUS

2. OpenRADIUS

3. BSDRadius