Last month Ofcom issued a fine of over £1m ($1.35m) under the Online Safety Act 2023 (OSA) – the biggest penalty issued under the Act since it came into force. That came at an opportune time, giving us the opportunity to look back at the development of online safety rules through the
2025 UK Online Safety Act round-up and what’s next in 2026

Principal milestones for the OSA that affect online platforms in the UK, and a look at key developments relating to UK online safety which are on the horizon for 2026.
Age-verification, Children's data, CMA, Cyber Security and Resilience Bill, Data (Use and Access) Act, Digital Markets Competition and Consumers Act 2024, Enforcement, FCA, Industry, Ofcom, Online Safety Act, Online Safety Act 2023 (Qualifying Worldwide Revenue) Regulations 2025, SEC, Technology, UK
