This paper summarizes actions undertaken by IASC members to protect from and respond to sexual exploitation and abuse (SEA) and sexual harassment and abuse (SHA). It reflects updated information from IASC partners, complementing the 31 May 2018 review of IASC Good Practices Actions have been grouped according to the strategy endorsed by the IASC in December 2018, which identifies priorities under three main objectives. This summary aims to promote good practice and learning within the IASC and identify opportunities for collaboration, where possible, responding to calls for the IASC to “share and promote best practices on preventing, investigating, and responding to sexual harassment and assault”. A full record of the actions can be found on the IASC website. Paper includes IASC approach to Encouraging victims to come forward and a speak-up culture, Improving quality, survivor centred support and protection, Strengthened vetting, reference-checking, investigation processes, and disciplinary measures.