Illegal and harmful content

OS-illegal

Our approach to online safety supervision and compliance

Published: 28 August 2026

Since the first set of online safety duties came into force in March 2025, we’ve been working hard to secure improvements for the safety of users, and particularly children, across the UK’s vast and wide-ranging tech industry.

Online safety fees: what the duties are and how to comply with them

Published: 21 November 2025

Last updated: 26 August 2026

Find out about the new fees-related duties imposed on certain providers of regulated services under the Online Safety Act and how to comply with them.

Important dates for Online Safety compliance

Published: 17 October 2024

Last updated: 24 August 2026

The Online Safety Act makes companies that operate a wide range of online services legally responsible for keeping people safe online.

Investigation into the provider of Chat-Avenue and its compliance with duties to protect its users from illegal content

Published: 21 April 2026

Last updated: 20 August 2026

Ofcom is investigating whether the provider of Chat-Avenue.com (‘Chat-Avenue’) has failed and/or is failing to comply with the duties under the Online Safety Act 2023.

Investigation into the provider of Teen-Chat and its compliance with duties to protect its users from illegal content

Published: 21 April 2026

Last updated: 20 August 2026

Ofcom is investigating whether the provider of Teen-Chat.org (‘Teen-Chat’) has failed and/or is failing to comply with the duties under the Online Safety Act 2023.

Ofcom update: Online suicide forum investigation and review of enforcement powers

Published: 20 July 2026

Last updated: 17 August 2026

Changes made by a suicide forum located outside the UK to block access to people in the UK are the fullest extent of what can be achieved under the Online Safety Act, we have now announced.

Online Safety: Register of categorised services and list of emerging Category 1 services

Published: 30 June 2026

Last updated: 14 August 2026

The published register of categorised services sets out which services are categorised and are therefore subject to additional duties under the Act.

Transparency notice – Behavioural Audit of Instagram, Facebook, X, and Telegram

Published: 11 August 2026

In August 2026, Ofcom is carrying out research on Instagram, Facebook, X, and Telegram to strengthen the evidence base of Ofcom's Online Safety Group strategic priorities.

‘Adults Only’: what to do if your online service allows pornography

Published: 16 July 2024

Last updated: 4 August 2026

If you allow pornography on your online service, this page is for you. It explains what you need to know about the Online Safety Act and what you need to check to ensure you follow the rules.

Investigation into whether First Time Videos LLC has failed to comply with the Online Safety Act 2023

Published: 10 June 2025

Last updated: 31 July 2026

We are investigating whether First Time Videos LLC has failed/is failing to comply with its duties under the Online Safety Act 2023 to protect children from encountering pornographic content through the use of highly effective age assurance.