Top Google scientist warns EU data rules risk user privacy

A stark warning has emerged from the heart of Google, with one of its distinguished scientists alerting European Union antitrust regulators to significant privacy risks posed by proposed data-sharing mandates. This intervention represents a critical juncture in the ongoing debate over how Big Tech operates within the EU's increasingly stringent regulatory landscape.

Sergei Vassilvitskii, a leading figure in his field at Google, is set to meet with EU officials to voice concerns that the proposed requirement for Google to share search engine data with rivals like OpenAI could inadvertently expose users' personal information. The core of the issue lies in the EU's proposed anonymization techniques, which Vassilvitskii's team has reportedly demonstrated can be circumvented by modern AI tools, potentially re-identifying users in under two hours.

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We are concerned because the EC's approach to anonymization fails to protect Europeans' privacy: our red team managed to re-identify users in less than two hours.

This development underscores a fundamental tension between the EU's drive to promote competition and innovation through measures like the Digital Markets Act, and the tech giants' concerns about user privacy and data security. While the EU aims to level the playing field, Google argues that the current approach could compromise the very users it seeks to protect. The company's "red team" of hackers has apparently validated these fears, simulating real-world attacks to highlight vulnerabilities. Google's stance, as articulated here, is that it is eager to collaborate with the EC to implement robust safeguards, emphasizing its technical expertise to ensure European privacy is not harmed.

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We are eager to share our technical expertise and work with the EC to establish the right guardrails and protect Europeans from privacy harm.