Scale AI hit with privacy complaints over surveillance of 900,000 AI training workers
8 Sources
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EU privacy advocates accuse US data annotation firm of snooping on contractors
Noyb files five complaints in four member states over alleged tracking of workers on Scale AI's Outlier platform US data annotation operation Scale AI faces five GDPR complaints in four EU countries over allegations that it unlawfully monitors European contractors. Privacy campaigner noyb alleges
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Scale AI rejects claims it illegally surveils AI-training workers
Oct 28 (Reuters) - Scale AI on Wednesday rejected the privacy complaints filed against it in four European countries as unfounded, saying its platform's practices were disclosed to workers and required their consent. Privacy group noyb filed, opens new tab the complaints on Tuesday in France,
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Privacy group files complaints against Scale AI over alleged worker surveillance
Oct 27 (Reuters) - European digital privacy advocacy group noyb filed five complaints against Scale AI in France, Italy, the Netherlands and Austria on Tuesday, alleging it illegally monitored freelance workers who produce training data for AI models. The complaints target Outlier, a platform on
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Why should Big Tech see your tasks? Scale AI accused of spying
The European Centre for Digital Rights, known as Noyb, is filing complaints against San Francisco-based startup Scale AI over the way its training platform Outlier tracks its 900,000 workers. A prominent European data protection group said it was filing five legal complaints in Europe against
[5]
Scale AI complaints: Privacy group files complaints against Scale AI over alleged worker surveillance
The European digital privacy group, noyb, has launched several complaints against Scale AI across multiple nations, claiming the company improperly surveilled freelance workers engaged in AI data tasks. Investigative findings highlighted concerning tracking practices, including keystroke logging
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Scale AI Accused of Tracking Keystrokes and Mouse Movements of AI Trainers
Privacy group noyb has filed complaints against Scale AI over claims that it tracks workers' keyboard activity and mouse movements. The complaints also raise concerns about the collection of ID documents and face videos. Scale AI is facing five complaints over claims that it tracks workers on its
[7]
Scale AI rejects claims it illegally surveils AI-training workers
Oct 28 (Reuters) - Scale AI on Wednesday rejected the privacy complaints filed against it in four European countries as unfounded, saying its platform's practices were disclosed to workers and required their consent. Privacy group noyb filed the complaints on Tuesday in France, Italy, the
[8]
Privacy group files complaints against Scale AI over alleged worker surveillance
Oct 27 (Reuters) - European digital privacy advocacy group noyb filed five complaints against Scale AI in France, Italy, the Netherlands and Austria on Tuesday, alleging it illegally monitored freelance workers who produce training data for AI models. The complaints target Outlier, a platform on
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European privacy advocacy group noyb filed five GDPR complaints against Scale AI across France, Italy, the Netherlands, and Austria, alleging the company illegally monitors over 900,000 freelance workers on its Outlier AI platform. The complaints cite invasive tracking practices including keystroke logging, biometric data collection, and unauthorized third-party data sharing with platforms like LinkedIn and Facebook.
Privacy Group Targets Scale AI's Outlier Platform
European digital privacy advocacy group noyb filed five GDPR complaints against Scale AI on Tuesday across France, Italy, the Netherlands, and Austria, alleging the US-based company illegally monitors freelance workers who produce AI training data
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. The privacy complaints target the Outlier AI platform, which employs more than 900,000 freelancers to perform data annotation and data labeling tasks for major clients including OpenAI, Meta, Google, Anthropic, xAI, and the US government1
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. Meta owns 49% of Scale AI3
.Noyb is asking data protection authorities to fine Scale AI and conduct a full investigation into how the platform assigns tasks and monitors workers
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. Scale AI rejected the allegations on Wednesday, stating that its platform's practices were disclosed to workers and required their consent2
.Extensive Worker Surveillance Through Keystroke Logging and Tracking
The complaints reveal that up to 19 trackers follow workers while they perform tasks on the Outlier platform, including recording keystrokes and mouse movements every few seconds
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. An investigation by Paris-based research collective DiPLab found the resulting file could be rebuilt into a video that replays a work session from start to finish3
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Source: The Register
Thomas Le Bonniec, a sociology researcher at French privacy research group DiPLab who co-authored a report examining Outlier's data collection practices, stated that "platform work seems to be fertile ground for a whole new type of workplace surveillance" that "would be seen as unacceptable in any other form of employment in the European Union"
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. Le Bonniec, who spent two years studying the platform, also noted that workers lack flexibility: "You don't work when you want. You work when the platform wants you to and there are tasks available"3
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.Third-Party Trackers and Biometric Data Collection Raise Concerns
Noyb alleges that Scale AI transmits worker data to third-party trackers including LinkedIn, TikTok, and Facebook as often as every few seconds
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. This information could be used to profile individuals and serve targeted advertising1
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. "Such constant and extensive tracking while working really goes against all reasonable expectations," said noyb data protection lawyer Lisa Steinfeld Leiser. "Why should LinkedIn or Facebook know which tasks you're working on?"1
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.Workers must submit ID documents and face video to identity verification firm Persona for biometric data verification
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. The GDPR complaints state these checks were invasive, repeated without explanation, and broke EU data protection rules on biometric data3
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. Persona collects IP addresses, device info, geolocation data, addresses, and credit data of Outlier users1
.Related Stories
Violations of EU Data Protection Rights and Gamification Concerns
The complaints assert that Scale AI violated GDPR rules on data minimization, which requires companies only collect data strictly necessary for specific purposes
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. Noyb argues the company lacks a legal basis to install tracking software on contractors' devices and violated illegal monitoring of freelance workers standards1
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Source: Market Screener
Four workers submitted data access requests to Outlier between December 2025 and May 2026, but none received an answer, violating their data protection rights under GDPR
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. The complaints also highlight that Outlier uses game-like mechanisms, with bonuses of $100 to $200 offered for completing 200 tasks in 24 hours3
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. Italy's data protection authority fined delivery platform Glovo in 2021 over similar gamification practices3
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.The case adds fuel to Europe's digital sovereignty movement as the bloc questions its reliance on US tech companies
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. Watch for how European regulators respond to these allegations and whether similar complaints emerge in other jurisdictions where gig economy platforms operate. The outcome could establish important precedents for worker surveillance practices in the AI training industry and shape future regulations governing platform work in Europe.References
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