Three Critical Resources You Should Use to Harden Your Linux Server

CIS benchmarks. CIS benchmarks provide the best practice configuration guidelines utilized in various areas including academia and government. ...
STIG viewer. ...
Lynis.

How do I harden my Linux server?
How do I harden my server?
What is hardening process in Linux?
What is the best way to harden the system?
How do you secure a server?
What can I do with my Linux server?
Why do you think companies often fail to harden their servers adequately?
How do I harden my firewall?
Why is it so critical to harden applications as well as servers?
How do I know if my Linux server is hardening?
What is the process of hardening?
How you secure your Windows and Linux server?

How do I harden my Linux server?

A few basic Linux hardening and Linux server security best practices can make all the difference, as we explain below:

Use Strong and Unique Passwords. ...
Generate an SSH Key Pair. ...
Update Your Software Regularly. ...
Enable Automatic Updates. ...
Avoid Unnecessary Software. ...
Disable Booting from External Devices. ...
Close Hidden Open Ports.

How do I harden my server?

Here we look at 5 ways you can carry out simple hardening of your servers.

Keep Your Servers' Operating Systems Updated. ...
Enforce The Use Of Strong Passwords. ...
Update or Remove Third Party Software. ...
Leverage Local Protection Mechanisms – Fire-walling & Anti-Virus. ...
Advanced Configuration Hardening.

What is hardening process in Linux?

In computing, hardening is usually the process of securing a system by reducing its surface of vulnerability, which is larger when a system performs more functions; in principle a single-function system is more secure than a multipurpose one. ... There are various methods of hardening Unix and Linux systems.

What is the best way to harden the system?

Operating system hardening: Apply OS updates, service packs, and patches automatically; remove unnecessary drivers, file sharing, libraries, software, services, and functionality; encrypt local storage; tighten registry and other systems permissions; log all activity, errors, and warnings; implement privileged user ...

How do you secure a server?

Secure Server Connectivity

Establish and Use a Secure Connection. ...
Use SSH Keys Authentication. ...
Secure File Transfer Protocol. ...
Secure Sockets Layer Certificates. ...
Use Private Networks and VPNs. ...
Monitor Login Attempts. ...
Manage Users. ...
Establish Password Requirements.

What can I do with my Linux server?

Top 10 Uses for Linux (Even If Your Main PC Runs Windows)

Learn More About How Computers Work.
Revive an Old or Slow PC. ...
Brush Up on Your Hacking and Security. ...
Create a Dedicated Media Center or Video Game Machine. ...
Run a Home Server for Backup, Streaming, Torrenting, and More. ...
Automate Everything In Your Home. ...
Work with Hard Drives and Partitions. ...
Host a Web Site or Webapp. ...

Why do you think companies often fail to harden their servers adequately?

I think companies often fail to harden their servers adequately because it is very difficult, time-consuming, and expensive. Some companies may not have all of these resources available. 2.

How do I harden my firewall?

Maximise the benefits of your Pen Test

Keep Your Firewalls' Operating Systems Updated. ...
Configure Strong & Non-Default Passwords. ...
Configure Suitable Remote Management Access. ...
Harden Your Rule-base. ...
Undertake Regular Rule-base Housekeeping.

Why is it so critical to harden applications as well as servers?

Applied in an effective manner, hardening will improve the resiliency of the existing cyber-security environment of organizations. So organizations should verify their information system vulnerabilities on a periodic basis through Vulnerability Analysis & Penetration Testing and apply appropriate hardening techniques.

How do I know if my Linux server is hardening?

You can view current status of SELinux mode from the command line using 'system-config-selinux', 'getenforce' or 'sestatus' commands. If it is disabled, enable SELinux using the following command. It also can be managed from '/etc/selinux/config' file, where you can enable or disable it.

What is the process of hardening?

The hardening process consists of heating the components above the critical (normalizing) temperature, holding at this temperature for one hour per inch of thickness cooling at a rate fast enough to allow the material to transform to a much harder, stronger structure, and then tempering.

How you secure your Windows and Linux server?

10 Easy Ways to Secure your Windows Server

Install only required OS components. ...
Keep the 'Admin' account secure. ...
Setup User Account Policies. ...
Employ the Principle of “Least Privilege“ ...
Disable unnecessary network ports and services. ...
Enable Windows Firewall and Antivirus. ...
Use Windows BitLocker Drive Encryption.