Summary: Cloud-native security protects cloud environments by addressing risks with IAM, encryption, and disaster recovery. Learn key strategies to secure your cloud.
As more businesses move to the cloud, securing cloud environments is more important than ever. Cloud architecture offers great benefits—like on-demand computing power, scalable storage, and software services. However, without strong security, these advantages can expose businesses to cyberattacks and data breaches.
Cloud-native security is the solution. Built specifically for cloud environments, it protects applications, data, and services by embedding security into the design and operation of cloud systems. Unlike traditional on-premises setups, cloud-native security handles the challenges of cloud platforms.
What makes cloud-native security different? And how can businesses build a strong cloud security strategy? In this article, we’ll explore cloud-native security solutions and share best practices for securing your cloud environment.
Cloud-native security definition
Cloud-native security involves specialized practices designed to protect cloud-native environments. Rather than adapting legacy on-premises habits, this strategy secures applications exactly where they are deployed. This represents a fundamental shift; while traditional security relies on network perimeters, a cloud-native approach focuses on applications. By prioritizing identity management, container security, and continuous monitoring, organizations ensure protection remains as dynamic as the infrastructure.
The move to the cloud shifts some foundational infrastructure responsibility to the cloud service provider, reducing traditional hardware-related risks. However, this does not mean security is on autopilot. Under the shared responsibility model, the provider secures the platform, while the organization remains responsible for its data and configurations. To manage these new, cloud-specific threats, many businesses now turn to cloud-native application protection platforms (CNAPPs). These security tools centralize vulnerability management and threat detection, providing the control needed to scale safely and confidently.
Core concepts of cloud-native security
The cloud-native approach is all about building, testing, and deploying software quickly and efficiently in the cloud. It began in the early 2000s when on-premises data centers couldn’t handle issues like traffic spikes or delays across regions.
Since then, developers have reimagined how software was produced, moving away from traditional setups. The technologies that came from this change are now the backbone of cloud-native systems.
Most cloud-native applications rely on these key concepts:
Containerization: Packages apps and dependencies to run consistently anywhere.
Microservices: Splits large apps into smaller, independent services for flexibility.
Declarative APIs: Focuses on what the system should do, not how to do it.
DevOps: Combines development and IT teams to speed up delivery and improve reliability.
Infrastructure as code (IaC): Automates resource setup with scripts for consistency.
These concepts make cloud environments more agile, scalable, and reliable.
Here’s a quick comparison of traditional vs cloud-native security:
Aspect
Cloud-native security
Traditional security
Deployment model
Designed for dynamic, API-driven cloud environments
Designed for static, on-premises networks and fixed infrastructure
Scalability
Scales automatically with workloads
Scales through additional hardware, virtualization, or network reconfiguration
Visibility and telemetry
Rich, centralized telemetry (logs, metrics, traces) across services and containers
Strong visibility into network and perimeter activity, with monitoring and logging also available at the host and application levels
Identity and access
Identity-first (IAM, roles, short-lived credentials, least privilege)
Network/zone-based controls alongside IAM, directory services, and credential-based access
Threat surface
Microservices, containers, serverless, APIs
Servers, endpoints, and network perimeters
Security controls
Integrated into pipelines, policy-as-code, and runtime controls for containers and cloud workloads
Perimeter controls (firewalls, VPNs), endpoint protection, and automated patching
Periodic audits, infrastructure-based evidence collection, and on-site controls
Common risks in cloud-native environments
The flexibility of cloud-native systems is a double-edged sword. While the ability to scale resources on demand saves costs and improves efficiency, every new resource adds potential vulnerabilities. This is particularly evident when utilizing a microservices architecture. The dynamic and flexible nature of containerized microservices increases the attack surface and complicates security management. In these environments, infrastructure can change several times a day, requiring security measures to be agile enough to keep pace.
To maintain control, each tool within the ecosystem requires proper security configurations to block unauthorized access. For example, implementing network segmentation can effectively limit the damage if one part of the system is compromised, ensuring that a single vulnerability doesn't lead to a total breach.
While cloud-native environments bring many advantages, they also introduce numerous security risks. Addressing them is key to protecting cloud applications and data. Here are some common challenges:
Container vulnerabilities: Regularly update base images to patch flaws.
Unsecured APIs: Use strong authentication, authorization, and data validation to prevent breaches.
Limited visibility: Employ monitoring and telemetry tools for real-time threat detection.
Configuration errors: Conduct regular reviews of IAM settings, firewalls, and network routes.
Insider risks: Minimize access using the principle of least privilege (POLP) and adopt zero-trust models.
Data breaches: Encrypt sensitive information and enforce strict access controls.
Compliance risks: Avoid fines by ensuring cloud setups meet data protection regulations.
Staying secure in cloud computing isn’t just about keeping the lights on—it’s about ensuring the whole house is safe. By understanding and mitigating these risks, businesses can enjoy the benefits of cloud-native systems without losing sleep over security concerns.
Common challenges in cloud-native security systems
Even though cloud-native security is becoming more important, many businesses still find it difficult to implement the right protection for their cloud-based environments. Here are 3 security challenges organizations usually face:
Developers aren’t security experts. With developers now able to quickly create, scale, and change infrastructure, managing security has become more challenging. That’s why security needs to be part of the development process from the start. Security teams should offer clear, practical guidance that fits into developers’ workflows without slowing them down.
Complex environments outpace security. New technologies like Kubernetes, containers, and serverless frameworks are evolving quickly, so security teams often struggle to keep up. To address this, companies should work closely with their DevOps teams and give developers tools that help them make secure decisions quickly and easily.
The cloud brings its own security risks. Cloud-native environments raise several security questions, such as whether containers need extra protection, and what risks come with serverless frameworks. Weak authentication settings can also go unnoticed and leave systems exposed. At the same time, DevOps teams need to move quickly while security teams focus on protecting assets, so finding the right balance between speed and security is key.
Key features of cloud-native security
Securing the cloud is like building a fortress. Every piece is critical to keeping your defenses strong. Below are the main pillars of cloud-native security.
Identity and access management (IAM):IAM tools act as gatekeepers. They ensure users and services access only what they need when they need it—nothing more. By following the principle of least privilege (POLP), IAM keeps unauthorized hands out of sensitive areas.
Cloud network security: The cloud is a complex digital environment. An open gate can allow threats in, putting your cloud network security at risk. Protecting it involves configuring firewalls, managing traffic routes, and applying zero-trust principles to block potential threats.
Application security: Applications are the engines of the cloud. To secure your cloud applications, you need safe coding practices, regular vulnerability scans, and prompt patches. Encrypt data, authenticate users and handle errors properly to protect your apps.
Data protection: Encrypt data when it’s stored and transferred. Use protocols like HTTPS to prevent unauthorized access during transfers.
Infrastructure as code (IaC) scanning: Think of IaC as blueprints for your cloud infrastructure. Scanning tools review these blueprints to catch flaws before you build, helping you avoid vulnerabilities and stay aligned with security policies.
Cloud workload protection: Workloads are like the workers in your cloud factory. Keep them safe with real-time monitoring, threat detection, and quick patching to ensure smooth and secure operations.
Cloud security posture management (CSPM): CSPM tools act like surveillance cameras, continuously watching for misconfigurations and compliance risks. They provide a clear view of your cloud landscape, ensuring everything stays secure and in order.
Container security: Containers are like individual cargo boxes. Keep them lean and clean by using the smallest possible base image and scanning for vulnerabilities. To reduce risk, only open the "ports" that your app truly needs.
Kubernetes security:Kubernetes is the control tower for your cloud operations. Keep its access tightly restricted and enforce security policies with tools that help ensure control.
Effective strategies for cloud-native security
Securing your cloud environment requires a well-rounded approach. Here are the cloud security best practices to help your organization stay protected.
Layering your defense: the 4 Cs
To ensure your infrastructure is truly resilient, you must address security at every level. The 4 Cs framework—Cloud, Cluster, Container, and Code—provides a structured way to implement these essential layers of protection. While vendors manage the security of the underlying platform, your organization is responsible for the layers built on top of it. This defense-in-depth model starts at the Cloud level, where the foundational security of the environment is a shared effort between you and your cloud provider.
This includes securing the Cluster, where resources are managed by orchestration tools like Kubernetes, as well as the Container, where applications are packaged, and the Code that defines your application logic. By addressing security at each of these 4 tiers, you create a cohesive, multi-layered shield that ensures a single vulnerability does not compromise your entire operation.
Shift left: proactive security for cloud-native applications
In a cloud-native ecosystem, waiting until the deployment phase to address security is a costly and inefficient strategy. Shifting left involves moving security checks to the earliest possible stages of the software development lifecycle. By integrating vulnerability scanning and compliance testing directly into the development process, teams can identify and fix security flaws in cloud-based applications before the code ever reaches production.
This proactive approach ensures that cloud-native security is a foundational element of the application rather than a bottleneck at the final stage, reducing the risk of complex breaches while streamlining the overall workflow.
Secure configuration management
Think of secure configuration as setting up the foundation for your cloud. Every cloud service should be securely configured from day one. This means setting up firewalls, access controls, and encryption to block potential threats.
But the work doesn’t stop there—configurations should be reviewed and updated regularly. This ensures that your defenses remain strong as new challenges arise.
Identity and access management (IAM)
Controlling who can access what is critical. IAM ensures only the right people have access to your cloud resources. Use tools like multi-factor authentication and follow the principle of least privilege so users have access only to what they truly need.
Network security
The cloud is like a busy highway, and you need barriers to keep threats out. Network segmentation, firewalls, and intrusion detection systems can help stop DDoS attacks, malware, and other risks before they reach your environment.
Data protection
You can’t protect what you can’t see. Automated tools for data discovery and classification help identify sensitive information. Once identified, encrypt data, enforce security policies, and have robust backup and recovery processes. These steps ensure your data stays safe, no matter what.
High availability and disaster recovery (HA/DR)
Disasters happen—what matters is how prepared you are. A strong HA/DR plan ensures your services keep running during unexpected events, like natural disasters or technical failures.
High availability keeps your systems online, while disaster recovery ensures you can bounce back quickly if something goes wrong. Make sure your plan defines roles, communication steps, and actions to minimize downtime and damage.
How NordLayer can help with cloud-native security
Cloud-native security is essential for protecting cloud environments, reducing risks, and preventing compliance violations. NordLayer supports this with a range of tools designed to secure users, devices, applications, and cloud resources.
For internet access security, NordLayer uses IP masking and traffic encryption(VPN service) to protect data in transit between users and cloud services. DNS filtering,application blocker, and download protection help prevent access to malicious content, unauthorized cloud applications, and harmful files that could expose cloud environments to threats.
For private access, cloud firewall,device posture security, and multi-factor authentication help control who and what can access sensitive cloud resources. NordLayer also provides cloud LAN to securely connect endpoints and enable safe file sharing without the barriers of a traditional LAN.
Want to secure your cloud environment? Contact our sales team and request a demo today to see what we can do for you.
Joanna Krysińska
Senior Cybersecurity Copywriter
Joanna writes about zero trust, network security, access control, and threat prevention, but her cup of tea is compliance and how regulations shape security controls.
Her work also includes the dark web topics and the methods cybercriminals use to target companies, such as social engineering or ransomware attacks, for example.