 The report criticized the transmission of personally identifiable information to various commercial analytics tools and the transmission of user search queries without encryption.They also managed to bypass the encryption of UC Browser, leading them to accuse UCWeb of using non-effective encryption systems to transmit personally identifiable subscriber data, mobile device identifiers, and user geolocation data.In May 2016, Alibaba Group provided Citizen Lab with updated versions of UC Browser in order to verify their security fixes to these issues.