“It’s just staging.” Three words that have led countless development teams down a path of security nightmares and operational headaches.
In the race to push code and meet deadlines, staging environments have become the forgotten middle child of the development process – neither as tightly controlled as production nor as flexible as development. This neglect has created a perfect storm of security vulnerabilities, with poorly managed secrets and non-human identities and a dangerous lack of parity with production environments.
We can no longer afford to treat any part of our infrastructure as a security afterthought. This article pulls back the curtain on the threats that have gone unnoticed in our staging environments and offers a roadmap for bringing them up to modern security standards. From secrets management to establishing control over third-party integration, we’ll explore the best practices that can transform your staging environment from a security liability into a robust testing ground for your production-ready code.
Enterprise Security for AI Agents & Non-Human Identities
What do we mean by staging environments?
Staging environments serve as the critical final checkpoint before software hits production. Think of them as a dress rehearsal for your code — a near-identical twin of your production setup designed to catch any bugs lurking around or identify performance issues before they can wreak havoc on your live systems.
Unlike the wild west of development environments where security takes a back seat to speed, or the high-security vault of production where every change is scrutinized, staging sits in that crucial middle ground. It’s more controlled than dev, but more forgiving than prod — the perfect balance for final tweaks and tests.
The key difference between development, staging, and production environments lies in their purpose and level of control:
- Development environments are highly flexible, allowing developers to experiment and make frequent changes.
- Production environments are tightly controlled to ensure stability and security for end-users.
- Staging environments strike a balance, offering a controlled setting that closely mirrors production while allowing final adjustments and testing.
Risks and pitfalls in staging environment security
The Software Development Life Cycle (SDLC) has long been a software engineering paradigm, providing a structured approach to building applications. However, as security concerns have grown more pressing, the Secure Software Development Life Cycle (SSDLC) has emerged as a necessary evolution of this process. Understanding the difference between SDLC and SSDLC is crucial for modern development teams aiming to create functional and secure software.
With that said, there’s a lot that can go wrong in terms of security in staging environments. Let’s catch up on some of them.
1. Data breaches and unauthorized access
Staging environments often mirror production, housing sensitive data, and configurations. This makes them prime targets for malicious actors. They are compounding that the fact that they are typically weaker in terms of security controls than production makes them vulnerable to unauthorized access.
A stark example occurred in November 2023, when New Relic, a leading observability platform, detected unauthorized access to their staging environment. The breach allowed the attacker to execute specific search queries and exfiltrate data, affecting a small percentage of their customers.
2. Configuration drift
Configuration drift in staging environments occurs when configurations gradually deviate from production settings. This discrepancy can lead to false positives in testing, unexpected behavior in production, and security vulnerabilities. For example, a misconfigured firewall rule in staging might not catch a potential security threat, allowing it to slip into production.
3. Insecure secrets management
The Achilles’ heel of many development teams lies in their approach to secrets management. Hardcoding secrets directly into source code is a cardinal sin, yet it’s alarmingly common.
Accidental publication of secrets in public repositories is another ticking time bomb. A moment of carelessness, a misplaced commit, and suddenly your API keys are out in the wild. GitHub reported over a million secrets exposed in public repositories in the first 2 months of 2024 alone, a clear reminder of how easily this can happen.
Weak encryption practices further compound the problem which is further compounded by insufficient rotation of secrets which turns out to be the final nail in the coffin. Static secrets that remain unchanged for months or years are low-hanging fruit for attackers. As a resolution, the first step would be secrets scanning followed by their regular rotation. Without regular rotation, a compromised secret can grant prolonged unauthorized access, turning a small breach into a catastrophic one.
4. Lack of access controls
Many organizations fail to implement the principle of least privilege, granting sweeping access when only minimal permissions are needed. Proper access controls, including role-based access (RBAC) and regular access reviews, are key to mitigating these risks and maintaining a robust security posture.
5. Insufficient monitoring and logging
The importance of monitoring and logging in staging environments is quite underestimated across organizations and are treated as less critical than production. This oversight can lead to undetected security issues, performance bottlenecks, and configuration drift.
6. Poor environmental parity
Maintaining true parity between staging and production environments is a critical challenge that can make or break the effectiveness of your development process. Discrepancies in hardware specs, software versions, or configurations can lead to “works in staging, fails in production” scenarios. This lack of parity often results in missed bugs, performance issues, and security vulnerabilities that only surface after deployment.
7. Overlooking third-party integrations
Staging environments often neglect or improperly configure third-party integrations, leading to incomplete testing and potential security risks. This oversight can result in API compatibility issues, data leaks, or unauthorized access when moving to production. Proper integration testing in staging, including security assessments of third-party services (e.g., payment gateways, analytics tools), is essential to identify vulnerabilities and ensure smooth operations in the production environment.
Best practices for securing staging environment
With the challenges of maintaining a secure staging environment exposed, it’s time to arm ourselves with proven strategies. Let’s discuss some of the best practices for securing staging environments.
1. Maintaining environmental parity
For effective testing and smooth deployments, staging environments must remain as close to production as possible. This means using identical software versions, configurations, and infrastructure setups in both environments. While it may be tempting to cut corners in staging, doing so can lead to unexpected issues when code moves to production, as discussed earlier.
Using container orchestration mechanisms and IaC tools allows you to define your environment configurations in code, making it easier to replicate them across staging and production. However, be mindful of necessary differences—for example, you may need to scale down resources in staging for cost efficiency.
2. Access control and least privilege principle
Adopt the principle of least privilege (PoLP) and use time-bound access for temporary needs, automatically revoking elevated privileges when no longer required. Remove unneeded permissions for sensitive resources, especially secrets, requiring explicit approval for each use. Also, it’s a good practice to continuously monitor and log access attempts to detect and investigate anomalies promptly.
3. Secrets and non-human identity management
The proliferation of non-human identities is an evolving problem, and their management can be taken up in 3 phases:
- Centralized secrets management and secure storages
Achive full visibilty over secrets and non human idnetites, understand how many you have, where they are how many are securely stored in a vault (Secret Storage). Utilize centralized secrets management tools to maintain control and visibility over sensitive credentials. Use a storage platform offering rest and transit encryption, strong authentication, and regular vulnerability assessments. Employ strong encryption algorithms and consider hardware security modules (HSMs) for critical secrets.
- Regular and context-aware rotation
Automate secret rotation to minimize exposure time. Implement a priority-based system considering factors like data sensitivity, usage frequency, and potential impact of compromise. This approach allows efficient resource allocation, focusing on high-priority secrets while maintaining appropriate schedules for less critical ones.
- Managing non-human identity lifecycle
Non-human identities require special attention throughout their lifecycle.
- Discovery and Inventory: Discover all NHIs at creation locations, vaults & exposure locations for a full inventory with an exact count.
- Classfication: Enrich each NHI to understand owners, permissions, usage, enablement, rotation time and more.
- Posture managment: Secure and mange NHI’s configuration policies to avoid risks related to miscinfigurations.
- Non-human identity detection and response (NHIDR): Monitor all secrets, NHI & vaults for any abnormal behavior.
- Rotation & vaulting: NHIs need to rotated every few days or weeks depending on their significance and usage patterns. This process should be automated.
- Provision & decommission: Remove idle and outdated NHI’s to reduce your attack surface. Ensure NHI access is removed for decommissioned workloads.
Treating these identities with the same rigor as human users significantly reduces unauthorized access risks and potential breaches from these often-overlooked entities. Regular audits and updates to these processes ensure ongoing secrets security in staging environments.
4. Network security and isolation
Implement robust network segmentation to isolate staging from other environments, especially production through virtual private networks (VPNs) for secure remote access and deploy web application firewalls (WAFs) to filter and monitor incoming traffic.
Consider running your staging environment on the same infrastructure (e.g., Kubernetes cluster) as production, but with strict access controls in place. This approach helps maintain consistency while still providing necessary isolation.
5. Continuous monitoring and logging
Without comprehensive logging (e.g., access logs, error logs) and monitoring tools (e.g., Prometheus, ELK stack), teams miss valuable insights and early warning signs of potential problems that could impact production.
Apply the same rigorous monitoring and logging practices to your staging environment as in production. By using the same monitoring stack across environments, you’ll be better equipped to troubleshoot issues and ensure consistent performance.
6. Regular security audits and penetration testing
Be aware of security testing in your staging environment. Conduct regular security audits and penetration tests to identify vulnerabilities before they reach production. While it’s debatable whether to perform these tests on production or staging, a mixed approach can be beneficial.
Technologies for enhancing staging environment security
Identity-aware proxy (IAP) is a crucial security layer that allows fine-grained access control to your staging applications. It verifies user identity and context before granting access, ensuring only authorized personnel can interact with your pre-production environment. Similarly, WAFs and VPNs provide the baseline security you need to conduct your business.
However, the cornerstone of staging environment security lies in effective non human identites and secrets management. Tools like Entro shines in this area, offering a comprehensive solution for managing non-human identities and secrets.
Entro provides a comprehensive solution for managing non-human identities and secrets in both staging and production environments. With its extensive discovery capabilities, it can meticulously scan and map out every non-human identity and secret within your infrastructure, from cloud services to databases and application code.
Entro stands out with its context-based rotation system, which intelligently prioritizes secret rotation based on factors like sensitivity, usage patterns, and the potential impact of compromise. This approach ensures that high-risk secrets are rotated more frequently while less critical ones are managed efficiently.
But there’s so much more you get with Entro. Click here for a demo!
