Is Docker good for security?

Docker containers are, by default, quite secure; especially if you run your processes as non-privileged users inside the container. You can add an extra layer of safety by enabling AppArmor, SELinux, GRSEC, or another appropriate hardening system.

What is a bastion host provide an example of when a bastion host should be used and how?

A bastion host is a server whose purpose is to provide access to a private network from an external network, such as the Internet. Because of its exposure to potential attack, a bastion host must minimize the chances of penetration. For example, you can use a bastion host to mitigate the risk of allowing SSH […]

What is Docker bench security?

The Docker Bench for Security is a script that checks for dozens of common best-practices around deploying Docker containers in production. The tests are all automated, and are inspired by the CIS Docker Community Edition Benchmark v1. 1.0.

What are two security benefits of a Docker based application?

They include:

• Transparency. It’s easy to look inside a container image, or the Dockerfile on which it is based, to understand what runs inside the container.
• Modularity.
• Smaller attack surfaces.
• Easy updates.
• Environment parity.

How do I connect to bastion host with putty?

Start putty, enter the Bastion Host IP and SSH port 22 for bastion host access. Select the private key . ppk file, which will be used for authentication. Click on SSH -> X11.

How do you harden a bastion host?

Hardening SSH using AWS Bastion and MFA

1. Prevent your production servers from exposing it to public networks.
2. Use Multi Factor Authentications (MFA).
3. Log each and every activity performed by user on servers.
4. Define strong access policies.
5. Setup the alerts.

How do you harden a docker container?

Let’s look more closely at five ways to harden Docker images.

1. Restrict network port accessibility. The first recommendation for securing containers involves network ports.
2. Limit build data.
3. Keep image size small.
4. Reduce exposure.
5. Use Docker Compose.
6. Transcript.