Question

What are some of the common security weaknesses inherent in Unix or Linux based systems and what techniques can be used to harden these systems against an attack?

Answer 1

The answer is below

Step-by-step explanation:

1. Lack of password enforcement

2. Outdated third party applications: this includes outdated software such as Apache, PHP, MySQL, OpenSSL, and VNC

3. General lack of patch management for the OS

4. General lack of system hardening:

5. Lack of backups

Ways to hardened the Linux/Unix based computer system is do the following:

1. Perform minimal Installation: this involves, installing softwares that are necessary, and limiting the number of admin users on the computer system.

2. Carry out Code Auditing: this is a means of preventing security issues, by withing more secure softwares to prevent variable declarations, or otherwise unexpected logic.

3. Ensure there is a Traffic filter firewall: this will helps to attacks from external users or hackers. Install, Web Applicatio firewall, which helps to filter out traffic.

4. Carry out Softwares updates: a software update can help prevent or guide against security leaks in a software

5. Install security updates only: this is done by filtering out the security-related programs and only upgrade packages which are referred to in the custom file.