The Global Internet Forum to Counter Terrorism is an NGO founded by Facebook, Microsoft, Twitter, and YouTube in 2017. It has since expanded to include a variety of online platformsAn online platform refers to a digital service that enables interactions between two or more sets of users who are distinct but interdependent and use the service to communicate via the internet. The phrase "online platform" is a broad term used to refer to various internet services such as marketplaces, search engines, social media, etc. In the DSA, online platforms... with the objective of setting standards and processes to counter terrorist and violent extremist content online. The GIFCT also manages the Hash-Sharing Database that member platforms can connect to.
See also: Hash matching