The Online Safety Act 2023 (c. 50) is an act of the Parliament of the United Kingdom to regulate online content. Designed to protect children and adults online, it passed on 26 October 2023 and gives the relevant Secretary of State the power, subject to parliamentary approval, to designate and suppress or record a wide range of online content that is illegal or deemed "harmful" to children.
The act creates a new duty of care for online platforms, requiring them to take action against illegal content, or legal content that could be "harmful" to children where children are likely to access it. Platforms failing this duty would be liable to fines of up to £18 million or 10% of their annual turnover, whichever is higher. It also empowers Ofcom to block access to particular websites. It obliges large social media platforms not to remove, and to preserve access to, journalistic or "democratically important" content such as user comments on political parties and issues.
The act requires platforms, including end-to-end encrypted messengers, to scan for child pornography, despite warnings from experts that it is not possible to implement...