Thousands of Britons are running the risk of having their personal data harvested by using Russian and Chinese companies while shopping online or using dating apps, The i Paper can reveal. These firms offer temporary UK phone numbers to consumers looking to protect their privacy online, allowing people to obtain verification codes to open or use accounts with online brands such as Amazon or services such as dating websites – while remaining anonymous. But officials warn that data gleaned from Russia-based temporary phone number sites could provide Moscow with another tool in its escalating “grey zone” war against Britain and…