![GCHQ on Twitter: "This is the BRENT - a phone used in the '90s to hold top secret calls, including by Her Majesty The Queen. The encryption key ensured secret conversations stayed GCHQ on Twitter: "This is the BRENT - a phone used in the '90s to hold top secret calls, including by Her Majesty The Queen. The encryption key ensured secret conversations stayed](https://pbs.twimg.com/media/FUOq5VqWUAA2LEc.jpg)
GCHQ on Twitter: "This is the BRENT - a phone used in the '90s to hold top secret calls, including by Her Majesty The Queen. The encryption key ensured secret conversations stayed
![GCHQ on Twitter: "This BRENT is a secure telephone used to protect Top Secret calls. The encryption key is number 1 and was used by HM The Queen #TBT https://t.co/V1HHJR4gcf" / Twitter GCHQ on Twitter: "This BRENT is a secure telephone used to protect Top Secret calls. The encryption key is number 1 and was used by HM The Queen #TBT https://t.co/V1HHJR4gcf" / Twitter](https://pbs.twimg.com/media/C6gZ6ifWcAAQjxQ.jpg)
GCHQ on Twitter: "This BRENT is a secure telephone used to protect Top Secret calls. The encryption key is number 1 and was used by HM The Queen #TBT https://t.co/V1HHJR4gcf" / Twitter
![Head Case Designs Officially Licensed Paul Brent Scallop Coastal Soft Gel Case Compatible With Apple iPhone 12 Mini: Amazon.co.uk: Electronics & Photo Head Case Designs Officially Licensed Paul Brent Scallop Coastal Soft Gel Case Compatible With Apple iPhone 12 Mini: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/71Ky64nF6qL._AC_SL1500_.jpg)