Online fraud

Two children looking at a phone or tablet together.

Consultation: Fraudulent Advertising Codes of Practice

Published: 10 July 2026

Last updated: 28 July 2026

We are publishing our proposals for what Category 1 and Category 2A services should do to tackle fraudulent advertising in line with their duties under the Act.

Big Tech must tackle scourge of scam adverts, says Ofcom

Published: 10 July 2026

Big Tech will be held accountable for tackling scam ads on their platforms, under proposed new fraud-fighting rules announced today by Ofcom.

Understanding Online Advertising: Advertisers, Consumers, Platforms and Practices

Published: 10 July 2026

This page provides an overview of, and links to, the findings from Ofcom's recent research on the online advertising ecosystem. The research was conducted to help inform our understanding of online advertising and supported the development of the draft Fraudulent Advertising Codes of Practice.

Behavioural Audit of Services with Advertising Functionality

Published: 10 July 2026

This report details research conducted by Ofcom’s Behavioural Insight Hub to examine how platform design within advertising functionalities influences user (including advertiser) behaviour and the risks associated with fraudulent advertising through a behavioural audit.

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

Published: 30 June 2026

Last updated: 10 July 2026

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

Harnessing the power of serious games to protect people against romance fraud

Published: 16 July 2025

Romance fraud is more than just heartbreak – it's a serious crime that can leave victims emotionally devasted and financially exploited. But what if we could play our way to protecting ourselves online?

How to comply with the Online Safety Act: responding to Ofcom’s requests for information

Published: 17 October 2024

Last updated: 11 April 2025

The Online Safety Act (OSA) makes businesses, and anyone else who operates a wide range of online services, legally responsible for keeping people (especially children) in the UK safe online.

Supporting Safer Internet Day 2025

Published: 11 February 2025

Ofcom is proud to continue our support for Safer Internet Day, an initiative taking place today that shares our aim of helping everyone to live a safer life online.

Online service categorisation: information notices

Published: 17 October 2024

How Ofcom plans to issue information notices to relevant providers for the purpose of categorisation.

Deepfake Defences: Mitigating the Harms of Deceptive Deepfakes

Published: 23 July 2024

Deepfakes are audio-visual content that has been generated or manipulated using AI, and that misrepresents someone or something. New generative AI tools allow users to create wholly new content that can be life-like and make it significantly easier for anyone with modest technical skill to create deepfakes.