AWS Cloud Security 7 Top Interview Questions

What is cloud security and why it is important?

Let us put this way:

Cloud security refers to the set of measures and practices designed to protect data, applications, and infrastructure in cloud-based environments.

Here, you’ll know about AWS security services and questions & answers on it.

• AWS security services
• Questions and answers

Let’s deep dive into these.

Table of contents

1. AWS Security services
2. Questions and Answers

AWS Security services

With the increasing adoption of cloud computing, ensuring robust cloud security has become crucial for businesses. Here are some key aspects of cloud security and important AWS security services:

1. Data Protection: Cloud security includes measures to protect sensitive data stored in the cloud. This can involve encrypting data, controlling access, securely storing and backing up data. AWS offers services like Amazon S3 for storing data securely and AWS Key Management Service (KMS) for managing encryption keys.
2. Network Security: Security measures are put in place to safeguard the network infrastructure within the cloud environment. This includes using firewalls, access control lists (ACLs), security groups, and virtual private networks (VPNs). AWS provides Network ACLs and Security Groups to control incoming and outgoing network traffic to instances.
3. Identity and Access Management (IAM): IAM is an important part of cloud security as it allows fine-grained control over user access and permissions. By using IAM, organizations can manage user authentication, enforce security policies, and control access to AWS resources. AWS offers IAM for creating and managing users, groups, roles, and permissions.
4. Security Monitoring and Logging: Continuous monitoring and logging are crucial for promptly detecting and responding to security incidents. AWS services provide various logging and monitoring capabilities to track resource usage, network traffic, and security events. AWS CloudTrail provides comprehensive logs for API activity, while AWS GuardDuty continuously monitors for malicious activity and unauthorized behavior.
5. Web Application Security: Protecting web applications from common vulnerabilities like cross-site scripting (XSS) and SQL injection is vital. AWS offers services specifically designed for web application security. AWS Web Application Firewall (WAF) helps protect against web exploits and attacks, while Amazon Inspector identifies vulnerabilities and deviations from best practices.
6. DDoS Protection: Distributed Denial of Service (DDoS) attacks can disrupt cloud services. AWS Shield is an AWS service that provides managed DDoS protection at both the network (AWS Shield Standard) and application (AWS Shield Advanced) layers.

These are just a few examples of the security services and measures available in AWS to enhance cloud security. It is important to adopt multiple layers of security and regularly update security configurations to ensure a robust and resilient cloud environment.

Questions and Answers

1.What is ACL?

ACL, or Access Control List, is used to control access to AWS objects or resources. With ACL, you can create rules for inbound or outbound access.

2. What is Security group in AWS?

A security group is like a virtual firewall for an instance (e.g., EC2). You can think of it as a set of rules that define what traffic can come in or go out of the instance.

3. What is AWF?

AWS Web Application Firewall (AWF) is a tool that helps protect web applications and APIs from exploits and SQL injections. It allows you to create your own rules to enhance security.

4. What is AWS shield?

AWS Shield is a managed Distributed Denial of Service (DDoS) protection service that safeguards applications running on AWS. AWS Shield provides always-on detection and automatic inline mitigations that minimize application downtime and latency, so there is no need to engage AWS Support to benefit from DDoS protection. There are two tiers of AWS Shield – Standard and Advanced.

5. What is Amazon inspector?

This service is an automated security assessment tool for AWS cloud. It improves both security and compliance. It generates detailed reports with a variety of security findings.

6. What is AWS GuardDuty?

It is fully managed anomalies detector. It is a kind of threat detecting service. It monitors flow-logs, CloudTrail, S3 data events, DNS activities etc.

7. What is AWS KMS?

• KMS, also known as Key Management Service, creates a key for each resource in a region by default.
• Customers can create keys and rules to manage them.
• KMS is used to encrypt and decrypt data. For example, you can encrypt or decrypt data in an S3 bucket.

Conclusion

AWS cloud security services protect and ensure the safety of data and infrastructure in the cloud.