Well-organized international criminal syndicates and local gangs play key roles in both internal and cross-border trafficking.

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But foreign governments, criminal syndicates and lone individuals are probing our financial, energy and public safety systems every day.

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Links were also found to Russian-speaking and other criminal syndicates, Europol said.

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The match-fixing activity in Europe, where links were also found to Russian-speaking and other criminal syndicates, has already led to several prosecutions, the law-enforcement agency said.

WSJ: Singapore Aids Probe Into Soccer Match-Fixing

But the end of apartheid opened up a once-closed authoritarian state, enabling hundreds of criminal syndicates to move in, from places as far flung as China, Colombia and Nigeria.

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Criminal syndicates, often run by foreigners, are rife.

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The company, which also provides security at many of South Africa's mines and has been kept busy by the recent strikes in the sector, offers a range of services, including 24-hour property monitoring and protection against organized criminal syndicates.

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"Singapore takes a strong stance against match-fixing and is committed to working with international enforcement agencies to bring down transnational criminal syndicates, including those that involve the acts of Singaporeans overseas, and protect the integrity of the sport, " the spokesman said.

WSJ: Singapore Aids Probe Into Soccer Match-Fixing