Supreeth Shastri, Melissa Wasserman, and Vijay Chidambaram, researchers from the University of Texas at Austin, have published a thought-provoking article that sheds light on the conflicts between the design and operation of modern cloud-scale systems and the General Data Protection Regulation (GDPR). Their work, titled “GDPR Anti-Patterns: How Design and Operation of Modern Cloud-scale Systems Conflict with GDPR,” offers a critical review of GDPR from a systems perspective, highlighting six key anti-patterns that undermine the regulation’s effectiveness.
The researchers begin by noting the alarming rise in privacy and security breaches in recent years. In response to this trend, the European Union introduced GDPR in 2018, a comprehensive legislation aimed at protecting personal data. However, the researchers argue that the design and operation of modern cloud-scale systems often conflict with GDPR’s requirements, leading to significant compliance challenges.
One of the primary anti-patterns identified by the researchers is the practice of storing data without a clear timeline for deletion. Many cloud-scale systems are designed to accumulate vast amounts of data, often retaining it indefinitely. This approach conflicts with GDPR’s stipulation that personal data should be kept only for as long as necessary to fulfill the purposes for which it was collected. The researchers emphasize that this anti-pattern not only raises privacy concerns but also increases the risk of data breaches.
Another critical anti-pattern highlighted in the article is the indiscriminate reuse of data. Cloud-scale systems frequently repurpose data for various analytical and operational tasks, often without explicit consent from the data subjects. This practice violates GDPR’s principles of purpose limitation and data minimization, which require that personal data be collected for specified, explicit, and legitimate purposes and not processed in a way that is incompatible with those purposes.
The creation of walled gardens and black markets is another significant anti-pattern discussed by the researchers. Cloud-scale systems often operate in isolated ecosystems where data is exchanged within a closed network of partners and third parties. This practice can lead to the exploitation of personal data for unauthorized purposes, undermining GDPR’s principles of transparency and accountability. The researchers argue that such practices create opaque data flows that are difficult to monitor and regulate.
Risk-agnostic data processing is yet another anti-pattern that conflicts with GDPR. Many cloud-scale systems process personal data without adequate consideration of the associated risks. This approach fails to comply with GDPR’s requirement that data controllers implement appropriate technical and organizational measures to ensure a level of security appropriate to the risk. The researchers stress the importance of adopting a risk-based approach to data processing, which involves assessing the potential impacts on individuals’ privacy and taking necessary measures to mitigate those risks.
Hiding data breaches is another critical anti-pattern identified by the researchers. Despite GDPR’s requirement for timely notification of data breaches, many organizations delay or fail to report incidents, thereby compromising the rights of data subjects. The researchers highlight the need for transparency and accountability in handling data breaches, emphasizing that prompt notification enables individuals to take protective measures and regulatory authorities to investigate and enforce compliance.
Finally, the researchers discuss the anti-pattern of making unexplainable decisions. Many cloud-scale systems rely on complex algorithms and machine learning models that operate as “black boxes,” making it difficult to understand how decisions are reached. This lack of transparency conflicts with GDPR’s right to explanation, which grants individuals the right to challenge automated decisions that significantly affect them. The researchers argue that explainable AI and transparent decision-making processes are essential for ensuring compliance with GDPR.
In conclusion, the researchers emphasize that avoiding these anti-patterns is imperative for achieving GDPR compliance. However, they believe that comprehensive, ground-up solutions are necessary to address the deep-rooted conflicts between GDPR requirements and the evolution of cloud-scale systems. They caution that superficial fixes would be insufficient, likening them to “fixing a leaky faucet in a sinking ship.” The researchers’ insights provide valuable guidance for system designers, operators, and policymakers seeking to navigate the complex landscape of data protection and privacy in the modern era. Read the original research paper here.

