Queen Elizabeth II looks forward to the Trooping of the Colour this weekend, which celebrates Her Majesty’s birthday. Starting at Horseguard’s, the ceremony will end up at Buckingham Palace where the Queen and the Royal Family famously gather on the balcony to view the festivities. However, the world-renowned landmark, the London home of Her Majesty, may not be as well-protected as many might imagine. Related articles Princess Beatrice: How Andrew and Fergie 'FLOUTED' tradition REVEALED: How Diana 'cried herself to sleep over uncaring Charles' Channel 5 documentary “Royal Scandals”, which first aired in April, heard from royal experts on a surprising security breach. Former royal butler Paul Burrell said: “You would think that Buckingham Palace is one of the most secure properties in the land – you’re wrong. “Back in the day, the security was there, but not enough.” He spoke about the incident in 1982 when Michael Fagan managed to get into Buckingham Palace through an open window and wander straight into the Queen’s bedroom. Buckingham Palace is the Queen's London residence (Image: Getty) Michael Fagan broke in to the Palace when he noticed an open window (Image: Getty) The Queen's butler Paul Whybrew came to the rescue, and he is still in Her Majesty's service today (Image: Getty) Fagan did trip Palace alarms but the police at the time thought they were malfunctioning so switched them off. Added to this, the guard stationed outside Her Majesty’s door was not at his post, and when the Queen tried ringing he police switchboard for help, nobody answered because it was early in the morning. The Sun’s royal correspondent Emily Andrews added: “He could have easily killed the Queen in her bed, and that would have been it. “He sat on her bed and apparently she kept him calm by having a nice chat!” Related articles How Charles was 'RUDE about life-changing William and Kate news How Prince Philip's changes to Royal Family enabled Trump to do THIS However, the former royal butler, who left the Queen’s service as a footman to serve Princess Diana’s household in 1986, revealed what Her Majesty’s utmost concern was. He said: “Her Majesty told me the story personally. “I said, well that’s extraordinary. “She said, ‘Plus he was gripping a broken ashtray and he was bleeding my counterpane.’ “She was worried about was the bloodstain on her bedclothes – she wasn’t worried about her safety at all! “Anything could have happened to our monarch, lying in her bed, she could have been knifed, she could have been suffocated. “The scandal meant that royal security was doubled, and her majesty could sleep safely in her bed The Home Secretary at the time, Willie Whitelaw, even offered his resignation over the incident. When Buckingham Palace police were not immediately at the scene, it was up to the Queen’s butler to help Her Majesty by getting the intruder out of the room. Paul Whybrew, who is affectionately known as “Tall Paul”, came to the rescue, and has been honoured as a faithful servant who is by Her Majesty’s side to this day. “Tall Paul” was even given a supporting role in the Queen’s famous 2012 Olympics opening ceremony James Bond film. The faithful butler can be seen alongside Her Majesty and her beloved corgis as they escort Daniel Craig as James Bond down a Buckingham Palace corridor. All rights reserved for this news site express.co.uk and under his responsibility