Data Migration Risks in 2026: 10 Critical Threats and Proven Ways to Avoid Them

In 2018, TSB Bank's failed data migration became a well-known cautionary tale in the enterprise technology sector, highlighting the potential pitfalls of such projects. Despite this high-profile case, a substantial number of data migration projects fail or exceed budgets and timelines, often due to complexities in modern data ecosystems, legacy system challenges, compressed timelines, and expanding regulatory requirements. This comprehensive guide identifies and addresses ten critical risks associated with data migration, including data loss, integrity issues, security breaches, and compliance violations, emphasizing the importance of thorough planning, testing, and the use of automated tools to mitigate these risks. Tessell offers a platform designed to manage these complexities by providing zero-downtime migrations, robust data protection, and flexible, high-performance infrastructure, enabling organizations to achieve significant cost savings and compliance with regulatory standards. The guide underscores that successful migration requires treating it as a strategic capability with a focus on comprehensive lifecycle management, from initial planning to post-migration operations.

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