Is Harmony One secure?

As a keen observer of the cryptocurrency landscape, I'm curious to delve deeper into the security aspects of Harmony One. Could you elaborate on the measures Harmony One has implemented to safeguard its platform? Specifically, how robust are its encryption algorithms? What security audits has it undergone? And how does it compare to other major blockchains in terms of resilience against potential threats like hacks and distributed denial-of-service attacks? Understanding the security posture of Harmony One is crucial for investors and users alike.