Introduction
SaaS data protection has become the major legal challenge of 2025. With over 85% of companies using at least one SaaS solution according to Gartner's 2025 study, and GDPR penalties reaching 4% of annual revenue, mastering legal obligations is no longer optional.
As a SaaS application developer for 4 years at Worldline and Adequasys, I've guided GDPR compliance for platforms processing millions of personal data records. This practical guide reveals essential obligations, pitfalls to avoid, and best practices to legally secure your SaaS.
Promise: By the end of this article, you'll master the legal framework, identify your risks, and have a concrete action plan to protect your customer data.
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