The United Kingdom’s communications regulator, Ofcom, has levied a £6.4 million fine against Reddit, marking one of the first major enforcement actions under the country’s Online Safety Act. The penalty, announced in February 2026, centers on Reddit’s failure to implement sufficiently rigorous age-verification measures to prevent children from accessing content deemed harmful to minors. The action sends a clear signal to the broader technology industry: the UK intends to enforce its online safety regime with real financial consequences. The fine stems from Ofcom’s determination that Reddit did not do enough to assess the risk that children could access its platform and encounter age-inappropriate material. Under the Online Safety Act, which received royal assent in 2023 and began phased implementation thereafter, platforms that are likely to be accessed by children must take proactive steps to identify those users and shield them from harmful content.…