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  1. DZone
  2. Software Design and Architecture
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  4. Securing Cloud-Native Applications: Tips and Tricks for Secure Modernization

Securing Cloud-Native Applications: Tips and Tricks for Secure Modernization

Discover how to modernize your security measures and keep your applications safe in the cloud era.

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Tejas Kaneriya user avatar
Tejas Kaneriya
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Mar. 28, 23 · Tutorial
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As companies increasingly embrace cloud-native applications, ensuring security has become an even greater priority. While the cloud provides many advantages, it also presents new security risks that demand a new approach to safeguarding traditional applications. A completely new security mindset is necessary to protect cloud-native applications, which involves reevaluating our security strategy in the cloud.

This blog post provides practical guidance on safeguarding your cloud-native applications effectively. From outlining security best practices to exploring various tools and techniques, we will cover everything you need to secure your modern applications.

Understanding the Risks of Cloud-Native Applications

As a prerequisite to safeguarding cloud-native applications, it is crucial to comprehend the potential hazards. Here are some of the most substantial risks that necessitate consideration:

Lack of Visibility and Control

Cloud-native applications pose a considerable risk in terms of visibility and control. In contrast to traditional applications, one has complete command over the underlying infrastructure with cloud-native applications. Cloud providers become the primary authority, leaving one with limited control. Ensuring the security of cloud-native applications can become a daunting task.

As a precaution against potential risks, it's crucial to collaborate with a cloud service provider that offers transparency and empowers you to oversee your infrastructure. Furthermore, it's advisable to establish your monitoring and logging systems to guarantee that you possess insight into your applications and infrastructure.

Greater Attack Surface

Unlike traditional applications, cloud-native applications usually possess a greater potential for attacks. Utilizing microservices and containerization leads to many entry points that attackers can take advantage of. Consequently, it is imperative to adopt a more proactive security approach to counteract this augmented attack surface.

As a precautionary measure, it is advisable to employ network segmentation and firewalls to regulate traffic between your applications and infrastructure components. In addition, it is crucial to perform periodic vulnerability assessments on your infrastructure and take necessary measures to fix any problems identified, as this helps minimize your attack surface.

New Threats

As cloud-native applications continue gaining traction, they are also exposed to novel risks exclusive to cloud infrastructures. These potential hazards entail container breaches, hijacking cloud accounts, and security vulnerabilities in serverless functions.

To address these cyber threats, it's crucial to remain informed about the latest security trends and vulnerabilities. Implementing security best practices, such as utilizing multi-factor authentication and frequently patching your infrastructure and applications, is essential to combat these new risks. Keeping up with these measures can help ensure the safety and protection of your digital assets.

Best Practices for Securing Cloud-Native Applications

After discussing the potential hazards associated with safeguarding cloud-native applications, it's time to delve into some effective strategies that can aid in protecting your contemporary applications.

Secure Your Infrastructure

One of the most critical things you can do to secure your cloud-native applications is to secure your infrastructure. This means using strong passwords, implementing two-factor authentication, and encrypting your data at rest and in transit. Additionally, you should regularly audit your infrastructure to ensure you follow best practices.

As an imperative measure to safeguard your infrastructure, it is highly recommended to incorporate access controls. This step is crucial in ensuring that exclusively authorized users and applications are granted access. Doing so can significantly minimize the likelihood of data breaches and other security incidents.

Implement Zero-Trust Security

Zero-trust security is a security paradigm that operates on the premise that all access requests could be malicious, and access is only permitted on a need-to-know basis. By employing a zero-trust security framework, you can secure your cloud-native applications by restricting access to solely authorized personnel. This strategy ensures that only those who require access can obtain it, making it a highly effective approach to bolstering the security of your applications.

To adopt a zero-trust security approach, it is essential to leverage identity and access management (IAM) solutions for regulating access to your infrastructure and applications. Additionally, implementing network segmentation to isolate your applications and infrastructure components is crucial. To ensure the ongoing efficacy of your access controls, it is advisable to conduct regular reviews.

Use DevSecOps

DevSecOps is a methodology that involves integrating security into the software development lifecycle. By implementing DevSecOps, you can ensure that security is baked into your applications from the beginning and that security is a shared responsibility among your development, operations, and security teams.

If you want to introduce DevSecOps in your organization, the initial step is to create a security-oriented culture. This implies creating awareness about security measures and offering training sessions to your developers and operations teams.

You should also use tools that enable continuous testing and monitoring of your applications throughout the development lifecycle. This can help you identify and remediate security issues early in the development process, reducing the risk of security incidents in production.

Implement Container Security Best Practices

In cloud-native application development, containerization has gained immense popularity as an approach. However, it also brings along fresh security concerns. As a prudent measure, it is essential to adopt container security best practices to ensure the security of your containerized applications.

To safeguard your containers from potential threats, following some essential practices is imperative. For instance, using trustworthy images, scanning them for vulnerabilities, and maintaining proper container isolation. Additionally, it's advisable to incorporate container runtime security measures that can help you keep a watchful eye on your containers and detect any suspicious activity promptly.

Leverage Cloud-Native Security Solutions

As modern applications continue to proliferate, it becomes increasingly crucial to utilize cloud-native security solutions to ensure their protection. These solutions are tailored to specifically target and address the distinct security obstacles inherent in cloud-native applications.

Some examples of cloud-native security solutions include cloud access security brokers (CASBs), cloud workload protection platforms (CWPPs), and cloud security posture management (CSPM) tools. These tools can help you secure your applications and infrastructure by providing visibility, control, and automated remediation.

Secure Network Connectivity

As crucial as securing your applications and infrastructure may be, securing the network connectivity linking them is equally important. The communication between microservices in cloud-native applications is usually facilitated over the network, making network security a vital aspect of securing these applications.

As part of network security, it is essential to utilize encryption methods to safeguard data during transmission. Network segmentation should be implemented to isolate microservices from each other and contain the consequences of security breaches. Keeping a close eye on network traffic for unusual activities is equally crucial. Firewalls can prevent unauthorized access to your network.

Conclusion

Securing cloud-native applications requires a different approach than securing traditional applications. With microservices, containerization, and other modern technologies, attackers can exploit many more entry points.

To ensure that your cloud-native applications are secure, you need to implement security best practices, use DevSecOps methodologies, and leverage cloud-native security solutions. By taking a proactive approach to security, you can reduce your risk of security incidents and ensure your modern applications are secure.

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Opinions expressed by DZone contributors are their own.

Related

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  • Harnessing Security by Adopting Zero Trust Architecture
  • Auditing Tools for Kubernetes
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