LONDON, July 9 : U.S. cybersecurity and data resilience and company Rubrik said on Thursday it would invest more than $500 million over the next five years in Britain, one of its fastest growing markets, and establish its European headquarters in London."The UK is one of the world's leading technology markets, and has become increasingly important to Rubrik's long-term growth," said CEO and co-founder Bipul Sinha."This investment strengthens our UK ecosystem, helping EMEA customers address the critical need for European data sovereignty, quickly recover from cyberattacks, and safely scale AI."On Wednesday, New York-listed Rubrik said its Rubrik Security Cloud would be available on AWS European Sovereign Cloud, providing public sector and highly regulated private organisations with cloud-na