Cloud migration is a strategic step for many Ukrainian companies aiming to optimize IT infrastructure, enhance flexibility, and ensure business continuity. However, despite the clear advantages, the process of moving to the cloud often encounters a number of common mistakes that can lead to budget overruns, security issues, and decreased productivity. Understanding these risks and knowing how to avoid them is critical for the successful implementation of a cloud strategy.
Underestimating complexity and lacking a clear strategy
One of the most common mistakes is underestimating the complexity of cloud migration and the absence of a detailed plan. Many companies view migration as a simple transfer of data and applications, ignoring the need for a thorough audit of the current infrastructure, analysis of dependencies, and development of the future cloud environment’s architecture. This can lead to unforeseen compatibility, performance, and security issues.
Without a clear strategy encompassing all stages – from planning to post-migration optimization – companies risk facing a chaotic process that drags on and exceeds budget. It is crucial to define the business objectives of the migration, choose the optimal cloud platform (or combination of platforms), develop a migration plan for each application and data set, and provide rollback mechanisms in case of unforeseen problems.
Ignoring security and compliance requirements
Moving to the cloud does not mean that responsibility for security is entirely shifted to the cloud provider. Under the Shared Responsibility Model, the provider is responsible for security of the cloud, while the client is responsible for security in the cloud. Ignoring this principle and failing to implement adequate cybersecurity measures is a serious mistake.
Typical missteps include insufficient Identity and Access Management (IAM) configuration, lack of data encryption (both at rest and in transit), neglecting threat monitoring, and the absence of a comprehensive incident response plan. These create vulnerabilities that can lead to data breaches, system integrity compromises, and significant financial and reputational losses.
| Security mistake | Consequences | Solution |
|---|---|---|
| Weak access management | Unauthorized access to data/systems | Implement Multi-Factor Authentication (MFA), Least Privilege principle, Azure Entra ID, AWS IAM |
| Lack of encryption | Compromise of sensitive data | Encrypt data in S3, Azure Storage, RDS; VPN for traffic |
| Insufficient monitoring | Missed attacks, slow response | Utilize Azure Sentinel, Microsoft Defender, Splunk, Cisco XDR |
| Ignoring compliance | Fines, loss of customer trust | Regular audits, GDPR, ISO 27001 compliance |
Unoptimized costs (FinOps)
One of the main advantages of the cloud is the ability to optimize costs through a Pay-as-you-go model. However, without proper management and monitoring, cloud costs can quickly spiral out of control. This problem is known as a lack of FinOps approach.
Typical mistakes include:
- Over-provisioning resources: Allocating more compute power, memory, or storage than genuinely needed.
- Forgotten resources: Unused virtual machines, disks, or databases that continue to incur costs.
- Lack of monitoring and analysis: Inability to track which services consume the most resources and why.
- Failure to leverage discounts: Ignoring opportunities to save through Reserved Instances (Azure, AWS), Savings Plans, or Spot Instances.
Without active cost management, companies may find themselves in a situation where the cloud becomes more expensive than their on-premises infrastructure.
Absence of a disaster recovery and backup plan
Many companies migrating to the cloud mistakenly believe that the cloud provider automatically ensures full protection against data loss and downtime. While cloud platforms offer high availability, responsibility for data backup and recovery (Backup/DR) remains with the client.
The absence of a clear Disaster Recovery (DR) plan and regular backups is a critical mistake. This can lead to significant downtime and data loss in the event of an application failure, human error, cyberattack, or regional cloud provider outage. It is essential to develop an RTO (Recovery Time Objective) and RPO (Recovery Point Objective) strategy for critical systems and data, and to regularly test DR plans.
How SL Global Service solves these challenges
The SL Global Service team, as a vendor-agnostic cloud integrator, helps Ukrainian businesses avoid common cloud migration mistakes by applying a comprehensive approach and proven technologies. SGS engineers begin with a detailed IT audit and develop a customized cloud architecture that considers business goals, current infrastructure, and future client needs. We don’t just migrate applications; we modernize them following a cloud-first principle.
- Strategic planning and architecture: SGS engineers develop a detailed cloud migration strategy, leveraging experience with Microsoft Azure, AWS, Google Cloud, and Oracle Cloud. We determine the optimal approach (rehost, replatform, refactor) for each component, ensuring minimal downtime and maximum efficiency.
- Comprehensive cybersecurity: To ensure security in the cloud, the SL Global Service team implements solutions based on Microsoft Defender, Sentinel, Cisco Firepower, Fortinet, and Palo Alto. We configure Azure Entra ID for centralized identity and access management, apply data encryption (e.g., for AWS S3, Azure Storage, Oracle Autonomous DB), and deploy threat monitoring systems such as Splunk or Cisco XDR.
- Cost optimization (FinOps): SGS engineers actively apply FinOps principles, using Azure Monitor, Prometheus, and Grafana for detailed resource consumption analysis. We help clients optimize costs through proper instance selection (EC2, Azure VMs), utilization of Reserved Instances and Savings Plans, and automation of scaling with Kubernetes (GKE, EKS) and Azure Arc.
- Reliable backup and disaster recovery: SL Global Service develops and implements Backup/DR strategies using Veeam, Commvault, Acronis, and Azure Site Recovery. We configure geographically distributed solutions for critical applications and data, ensuring rapid recovery after failures and minimizing RTO/RPO. For cloud workstations, we use Azure Virtual Desktop and Windows 365, ensuring high availability and data protection.
- DevOps and CI/CD: To accelerate application development and deployment, we implement DevOps practices using Terraform, Ansible, GitHub Actions, and Azure DevOps. This allows for infrastructure as code automation and ensures continuous integration/delivery, reducing the risk of errors and accelerating time-to-market.
SL Global Service offers a full spectrum of Managed Cloud 24/7 services, providing continuous monitoring, management, and support for client cloud infrastructure, allowing businesses to focus on their core activities without worrying about the complexity of cloud operations.
Successful cloud migration requires not only technical knowledge but also a deep understanding of business processes and strategic planning. Do not underestimate the complexity of this process; seek experienced experts to avoid costly mistakes and maximize the potential of cloud technologies for your business growth.