years later, Securitas owned the largest private radio network in Europe at the time. The 1980s were characterized by official visits like the Queen Elizabeth II of Britain or the Pope John Paul II. Further, personal and object security specialists became responsible for all security measures concerning the Swiss embassy in the Lebanese capital Beirut. In 1989, one of the guard's main tools, the control watch, was replaced by an electronic reading device, which allowed for much easier data analysis. In 1991, the Securitas uniform was refurbished: Along with new colours and cuts for uniform jacket and service pant or service skirt, the kepi was replaced by beret and combination cap. During the 1990s, Securitas AG was certified by quality management norm ISO 9001 and introduced an intern diploma in 1993, which acted as a model for the Federal diploma for security specialists. In 1996, Samuel Spreng was appointed as General Manager by the board of directors and took over the operational leadership of the Securitas Group on January 1, 1997. His brother Manuel presided the board of directors until his demise on February 9, 1999. The 21st century At the 6th Swiss National Exhibition Expo.02 in 2002, Securitas not only took part by means of services, but as an official partner and sponsor. In that year the uniforms as well as the corporate identity of the company were refurbished and modernized. In 2003, according to the Swiss television TSR1, Securitas sent an agent to spy on the activist organization ATTAC. It lasted more than one year and was probably done for one of the largest multinational in Switzerland, Nestlé. In 2007, Securitas AG celebrated its centenary. See also References External links Securitas AG Job site of Securitas AG Security companies of Switzerland