11/21 2023

What is the CIA Triad and AWS’s Cloud Security Measures

In response to the digital transformation trend, more and more companies are choosing to migrate traditional servers to the cloud, making resource utilization more flexible and adaptable. However, with frequent incidents of data leaks, implementing comprehensive cloud security measures is imperative to effectively prevent malicious hacker attacks.

This article will introduce the three key elements of cloud security and explain how AWS cloud services employ comprehensive security measures to effectively safeguard sensitive enterprise data in the cloud.

Why Is Cloud Security So Important?

According to the “2022 Cloud Security Report” released by the global cybersecurity leader Fortinet, 95% of enterprise organizations express a level of concern ranging from moderate to extremely high regarding cloud security. Among them, 61% of enterprises identify the lack of cybersecurity talent and skills as the most significant challenge in cloud security protection.

In response to the digital transformation wave, the proportion of businesses adopting cloud services is steadily increasing. However, the subsequent rise in cybersecurity threats and ransomware attacks has made many enterprises hesitant to transition to the cloud.

Common threats include Distributed Denial of Service (DDoS) attacks, where hackers flood a system with a high volume of requests, causing system overload and service interruptions, rendering the target website or server ineffective. More recently, the SCARLETEEL hacker operation has specifically targeted the workloads of cloud containers, stealing and leaking cloud data, resulting in significant losses for enterprises.

Cloud security is a critical factor in safeguarding enterprise data. To effectively mitigate cloud network security threats, it’s crucial to prioritize selecting a stable cloud service provider. Pay attention to whether the provider offers cloud security protection that encompasses the three essential elements of “confidentiality, integrity, and availability.” This approach ensures a more secure cloud environment for enterprises.

The Three Elements of Cloud Information Security (CIA)

The three major elements of cloud security include confidentiality, integrity, and availability, commonly abbreviated as CIA. This acronym resembles the abbreviation for the Central Intelligence Agency (CIA) in the United States, highlighting the paramount importance of cloud information security.

C – Confidentiality

Confidentiality ensures that sensitive information like personal data or financial records remains inaccessible to unauthorized users or third parties. Security personnel can reinforce confidentiality through the AWS Key Management Service (KMS). This service allows for the creation of encryption keys for sensitive information such as data, digital signatures, and applications, ensuring that only authorized individuals can decrypt and access it.

I – Integrity

Integrity refers to the assurance that data remains unchanged or unaltered by unauthorized parties during storage or transmission. To enhance data integrity and prevent malicious alterations, AWS introduced the Amazon CloudWatch service. This service includes resource monitoring and event logging capabilities, generating real-time alerts to detect potential security threats. It monitors resource usage and account status within the environment, ensuring the integrity of data.

A – Availability

Availability means authorized users can access and utilize data at any time without disruption due to faults or other issues. For instance, AWS’s Amazon RDS (Relational Database Service) offers multi-region deployment and automatic backup features. Even in the event of regional failures or data corruption, swift switching or data recovery from backups is possible, ensuring continued operations.

雲端資安如何提升?
The foremost principle of cloud security protection involves enhancing enterprise security through three key strategies.

How Does AWS Implement Cloud Security Measures?

In addition to the aforementioned CIA elements, AWS also offers other comprehensive and robust cloud security measures. These measures enable AWS users to smoothly operate applications and services in a stable environment.

For enterprise-level security environments, Nextlink emphasizes the use of four essential AWS cloud security products during environment setup:

AWS IAM:Managing User Access Rights

AWS IAM serves as the fundamental protective measure, controlling user authentication and access permissions. Each identity has a dedicated security credential, restricting the user’s resource access rights and reducing the risk of data leaks. Moreover, the ‘principle of least privilege’ stands as a crucial tenet in cloud security. By granting only the necessary permissions required for users to perform their respective tasks, the occurrence of cloud security incidents can be significantly minimized.

Amazon GuardDuty:Monitoring Malicious Activities

Amazon GuardDuty is a threat detection service used to monitor security risks and threats within an environment. It automatically detects abnormal behaviors, malicious attacks, unauthorized accesses, and more. If suspicious activities are identified, immediate alerts are sent, enabling users to take preventive measures promptly before any compromise occurs.

Amazon Inspector:Scanning Software Vulnerabilities

Amazon Inspector is an automated vulnerability management service widely used by many enterprises on AWS as a vulnerability scanning tool. It can detect workload issues in Amazon EC2 and AWS Lambda, assess and prioritize the vulnerabilities found, and focus on fixing high-risk threats. This allows users to have a clear understanding of the security status of their cloud environment.

AWS Shield: DDoS Protection Service

AWS Shield automatically detects and identifies malicious activities, safeguarding users from DDoS attacks and other threats. It prevents websites and applications from becoming targets of large-scale attacks, thereby preventing website downtime and potential disruptions to production systems.

Nextlink has received official AWS Managed Service Provider (MSP) certification, boasting years of extensive experience in cloud solutions and hosting. We provide foundational cloud security health checks for enterprises, assisting in managing IAM permissions and hierarchies. Following AWS’ six well-architected framework pillars, we conduct cloud security assessments, tailoring security optimization suggestions according to clients’ cloud architectures. This effectively strengthens and safeguards enterprise cloud environments!