Machine learning solutions use algorithms to process data gained from monitoring the performance of employees in the course of their work. Where health and safety is concerned, there may be good reasons for this processing. Computer vision software can be far more effective than a human in detecting non-compliance with PPE regulations on large or complex sites. Wearables can be used to alert workers to the proximity of hazards and track their levels of alertness, where the worker themselves may not be aware of it.
But the use of workers’ data for algorithmic processing without their knowledge or explicit buy-in is increasingly being challenged. Employers should be aware of the risks and should plan how to address them.
A recent case illustrates the need for an enlightened approach to workers’ data rights in service design. In February 2024, the Information Commissioner’s Office (ICO) issued an enforcement notice ordering Serco Leisure and community leisure trusts to stop using facial recognition technology and fingerprint scanning to monitor employee attendance. The ICO investigation concluded that the employers had been unlawfully processing the biometric data of more than 2,000 employees at 38 leisure facilities to check on their attendance and calculate their pay.
“Serco Leisure did not fully consider the risks before introducing biometric technology to monitor staff attendance, prioritising business interests over its employees’ privacy,” said the regulator. “There is no clear way for staff to opt out of the system, increasing the power imbalance in the workplace and putting people in a position where they feel like they have to hand over their biometric data to work there.”
In the hype around AI, it is noteworthy that ICO enforcement action was taken under the Data Protection Act 2018, showing the importance of good data processing to the responsible use of machine learning solutions. Necessity and proportionality are key principles for employers to consider, not least where – as in the Serco case – there is a power imbalance between the employer and its workers.