This particular botnet had control of close to 900, 000 uniqueIP addresses in Poland alone and is thought to be the fifth most widespread threat in 2012.
Mr Clegg said he would be willing to accept changes to take account of new technology - such as ensuring each mobile device had its own uniqueIP address.
But Mr Clayton said the recent row over search data released by AOL showed that identification of users could still be made even without a machine's uniqueIP address.
She contacted police, who traced Wooles via his IP address - the unique numeric label attached to his computer - and arrested him at his halls of residence in Leeds.
We know how critical it is to transfer knowledge between generations in the workforce and to make it easy for new workers to absorb that IP and then use it in their own unique way for the benefit of the company.