PHNOM PENH, Cambodia -- Microsoft and British intelligence specialists opened a two-week seminar Monday to train Cambodians how to fight against pedophiles who use the Internet to exploit children in the poor Southeast Asian nation.

About 150 Cambodian, Indonesian and Thai law enforcement officials and humanitarian workers will learn a range of computer know-how - from the basics of how the Internet works to tracing sex offenders to network security during the training, run by Britain's National Criminal Intelligence Service, its National Crime Squad and software giant Microsoft.

"We recognize it is our responsibility to make cyberspace safe for all users, particularly children," said Katharine Bostick, Microsoft's senior director of legal and corporate affairs in Asia.

Cambodia has struggled to root out foreign pedophiles who target the country because of its lax law enforcement and deep poverty. Children often work in tourism locales, selling fruit, flowers or trinkets, leaving them vulnerable to pedophiles.

There are about 33,000 child sex workers in Cambodia, according to the U.N. children's agency. In recent years, the country has experienced a sharp increase in the production and dissemination of child pornography via the Internet.

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