"We have already introduced four new laws to crack down on child sexual abuse online, but tech company design choices cannot be used as an excuse not to root out these heinous crimes - and we will not hesitate to go further to protect children from vile online predators.
Nearly 39,000 child sex abuse image crimes were recorded last year - with an "unacceptable loophole" in the law leaving children vulnerable on messaging services, says the NSPCC.
"There'll be measures all platforms will need to take to protect children, such as reviewing child sexual abuse material when they become aware of it and reporting it to law enforcement.".
Last month, the Internet Watch Foundation (IWF), a charity that helps remove child abuse material, also said the codes gave platforms a "blatant get-out clause".
"The government is committed to the robust implementation of the Online Safety Act to ensure it delivers on its aim to make the UK the safest place online for children.
