The Equality and Human Rights Commission (EHRC) said in a statement on Tuesday that the government needs to take immediate action over the scanners, which allow airport security personnel to view travellers as though they were naked.
The statement follows a request from EHRC to home secretary Alan Johnson in January, seeking justification for the government's profiling and body-scanning plans.
Read more of "Body scanners may be illegal, says rights watchdog" at ZDNet UK.