Under Government plans to monitor internet traffic, raw data would be collected and stored by the black boxes before being transferred to a giant central database.
The vision was outlined at a meeting between officials from the Home Office and Internet Service Providers earlier this week.
It is further evidence of the Government's desire to have the capability to vet every telephone call, email and internet visit made in the UK, which has already provoked an outcry.
Internet black boxes to record every email and website visit
