Securing Hybrid IT: Key Considerations When Moving to a Mixed Ownership Model
As organizations increasingly adopt cloud technologies, the concept of hybrid IT security has become a top priority. According to a recent report, 92% of IT professionals believe cloud adoption is vital for long-term business success. Yet, many remain uncertain about how to secure a hybrid IT environment effectively. This article explores the critical factors for safeguarding data and infrastructure when blending on-premises and cloud services.
Understanding the Hybrid IT Security Challenge
Hybrid IT involves a mix of infrastructure and applications running both on-premises and in the cloud. This creates a complex ownership model where some services are fully managed internally, while others are controlled by cloud service providers (CSPs). The confusion surrounding this model often leads to security gaps.
For instance, the SolarWinds IT Trends Report found that the top reason organizations move applications back on-premises is uncertainty over security or compliance in hybrid environments. Therefore, developing robust hybrid IT security policies is essential. IT teams must shift from traditional security approaches to ones that account for shared responsibilities.
Key Considerations for Hybrid Cloud Security
Responsibility Without Control in SaaS
Software as a Service (SaaS) exemplifies a common hybrid IT challenge: responsibility without control. When using SaaS applications like email or CRM, IT professionals cannot manage the underlying infrastructure. If an issue arises, they must submit a ticket and wait for the provider to resolve it.
This lack of control extends to cloud security policies. While internal checks—such as verifying local network performance—are possible, the IT team must rely on the vendor for backend fixes. As a result, careful vendor selection and service-level agreements (SLAs) become critical for maintaining security.
Data Confidentiality in Hybrid Environments
Moving data to hybrid IT environments raises concerns about confidentiality and privacy. When data enters a vendor’s application, it may be stored across global data centers with varying local regulations. Encryption in transit, such as Transport Layer Security (TLS), helps protect data during transfer, but it does not guarantee secure storage.
To address this, IT teams must enforce encryption at rest and ensure compliance with data protection laws. Additionally, when deploying components like databases in the cloud, network policies must restrict access to only authorized servers. For example, using Database as a Service (DBaaS) requires the same security rigor as an on-premises database, including firewall rules and access controls.
Balancing Speed and Security
One of the biggest temptations in hybrid IT is rapid deployment, often at the expense of hybrid cloud security. Cloud services promise quick setup, but skipping security checks can lead to vulnerabilities. IT teams should slow down and implement robust procedures that consider the unique design of their hybrid environment.
For instance, when migrating web services to the cloud, ensure that internal security processes are updated to reflect cloud-specific risks. Avoid the “easy to deploy” trap by prioritizing security from the outset. This approach prevents costly breaches and compliance failures later.
Strengthening Security at Any Stage
Whether you are starting your hybrid IT journey or already fully deployed, it is never too late to enhance security. Take time to understand the distributed, mixed ownership model and how it changes infrastructure, team roles, and security strategies. For more insights, check out our guide on cloud security best practices or learn about data encryption strategies.
By following these guidelines, you can build a resilient hybrid IT environment that balances flexibility with robust protection. Remember, securing hybrid IT is an ongoing process—not a one-time task.
