Security company ADT has been bought by rival Fidelity for R1.9-billion. ADT's parent company, New-York-listed Tyco, said yesterday that it had signed a definitive agreement to sell its security business in South Africa for $140-million.The deal is expected to be completed next year.Fidelity Security Group said ADT would significantly strengthen its armed response and security technology offerings.ADT is the first big foreign-owned private security company to be sold to a South African business since the Private Security Industry Regulation Amendment Act, which has not yet been signed into law, was proposed.The act contains a clause that would force multinational private security companies such as Chubb, Securitas and G4S, as well as security equipment manufacturers, distributors, installers and suppliers, to relinquish 51% or more of their shareholding to local investors.Fidelity Security Group said it was a 100% South African and 54.62% black-owned company.ADT provides security-related services to more than 365000 private residential and commercial customers.Fidelity will have more than 168 points of presence across Southern Africa and will employ 57000 people after the acquisition.Tyco will continue to provide its fire, security and life-safety products in South Africa. ..