Case Study: Quantcast achieves GDPR compliance and large-scale refactoring with Sourcegraph

Quantcast analyzes thousands of repositories in days with Sourcegraph

Quantcast, a leader in real-time audience insights, faced a massive challenge ensuring GDPR compliance across its thousands of code repositories. Manually searching for code handling personal data would have taken months, creating a significant obstacle. To tackle this large-scale refactoring efficiently, Quantcast adopted Sourcegraph's Universal Code Search.

Using Sourcegraph's multi-repository and regular expression search capabilities, a single engineer analyzed thousands of repositories in just days. This allowed Quantcast to systematically identify and fix GDPR-related issues with confidence, saving hundreds of developer hours. Furthermore, Sourcegraph's saved searches and notifications now provide ongoing monitoring for data privacy code, preventing future compliance risks and ensuring production stability.

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