Book Image

Enterprise Cloud Security and Governance

By : Zeal Vora
Book Image

Enterprise Cloud Security and Governance

By: Zeal Vora

Overview of this book

Modern day businesses and enterprises are moving to the Cloud, to improve efficiency and speed, achieve flexibility and cost effectiveness, and for on-demand Cloud services. However, enterprise Cloud security remains a major concern because migrating to the public Cloud requires transferring some control over organizational assets to the Cloud provider. There are chances these assets can be mismanaged and therefore, as a Cloud security professional, you need to be armed with techniques to help businesses minimize the risks and misuse of business data. The book starts with the basics of Cloud security and offers an understanding of various policies, governance, and compliance challenges in Cloud. This helps you build a strong foundation before you dive deep into understanding what it takes to design a secured network infrastructure and a well-architected application using various security services in the Cloud environment. Automating security tasks, such as Server Hardening with Ansible, and other automation services, such as Monit, will monitor other security daemons and take the necessary action in case these security daemons are stopped maliciously. In short, this book has everything you need to secure your Cloud environment with. It is your ticket to obtain industry-adopted best practices for developing a secure, highly available, and fault-tolerant architecture for organizations.
Table of Contents (11 chapters)

Access control list

We generally work with a basic set of access control with the help of chmod, chown, and chgrp commands that are available in Linux. Although they are useful, they do not provide granular control with respect to individual users.

Use case

There is a file named file.txt and the permissions associated with the file are as follows:

-rw-rw---- 1 kplabs kplabs 0 Jun 23 23:15 file.txt

There is a requirement where we need to give the users, Bob and Andy, read access to file.txt and James should have the rwx access to the file, and no one else apart from the owner and the three users should have any access to the file.

The permission requirement is explained via the following diagram:

How to implement this use...