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AllAboutLaw

Behind the firewalls: The legal risks behind the Online Safety Act

Episode #4516 October 2025

The UK’s Online Safety Act has officially come into force and with it, a sweeping overhaul of how digital platforms must operate. Tech companies are under pressure to redesign their systems and policies to comply, implementing mandatory age verification checks. Behind the political headlines lies a commercial and legal challenge that could expose platforms to multimillion-pound fines, reputational damage, and even criminal liability for senior executives.

Beginner summary

The Online Safety Act introduces new duties for tech platforms to protect users, especially children, from harmful or illegal content. This includes age verification requirements that go beyond basic tick-box declarations and extend to user sign-ups and ID checks. Ofcom's new powers allow it to impose large fines and even criminal penalties for serious non-compliance. The rules apply to any platform accessible from the UK, regardless of where the company is based.

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