This article is more than
8 year oldIn March, football's world governing body Fifa began looking into six men for their part in Germany winning the rights to host the 2006 World Cup.
Swiss prosecutors now say they have launched their own investigations, linked to that of Fifa.
Mr Beckenbauer, who headed Germany's bid, has denied corruption.
Last October, he said he made a "mistake" in the bidding process to host the competition, but denied that votes were bought.
Germany beat South Africa 12-11 in the vote, which took place in July 2000.
Germany's Spiegel magazine reported on Thursday that the investigation centred on payments made from 2002-2005 that added up to more than 10m Swiss francs (£7.7m; $10.2m).
Further details are expected to be released by Switzerland's attorney-general later on Thursday.
It is not yet known how many football officials are being investigated in Switzerland.
In March, it emerged that six men being investigated by Fifa's ethics committee:
Beckenbauer captained West Germany to victory as hosts at the 1974 World Cup and was coach when they next lifted the trophy, in Italy 16 years later.
The former defender went on to manage French side Marseille and German giants Bayern Munich, where he is now honorary president.
Newer articles