The DRM for the downloaded service, meanwhile, ensures that programmes expire after 30 days.
However, following the launch of iPlayer for iPhones hackers soon discovered a Firefox plug-in allowing them to save the programmes to computer hard disks and distribute them freely with others.
Issuing the fix, the BBC acknowledged that it had won the battle rather than the war against hackers and would continue to remain vigilant.
"It's an ongoing process and one which we will continue to monitor. Like other broadcasters, the security of rights-protected content online is an issue we take very seriously," the BBC said in a statement.
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iTnews Executive Retreat - Security Leaders Edition
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