The Australian reports that the Australian Federal Police have confirmed that web pages that contain child sexual abuse material change within hours and are difficult to identify or track, further weakening the arguments of those who support the policy of mandatory Internet filtering:

WEB pages that contain child sexual abuse material change within hours and are difficult to identify or track, according to the Australian Federal Police.

Although this debunks perceptions that web pages with such content can be effectively censored by the federal government mandatory ISP filter, a leading Christian lobby group believes it is better than nothing.

In response to recent questions raised by Greens Senator Scott Ludlam during a Senate estimates hearing, the AFP said URLs for websites containing child exploitation material could and did change rapidly, sometimes within hours or days.

“The criminals behind commercial child exploitation are often outside of Australia, highly sophisticated and involved in other types of criminal activity,” according to the AFP.

“The content is usually stored within overseas servers, sometimes in multiple locations: the URLs which point to these servers can be easily and rapidly changed.”

The Australian Communications and Media Authority alerted the AFP of data from Britain’s Internet Watch Foundation that 81 per cent of child sexual abuse image domains added to its list became inactive after 100 days.

Senator Ludlam said the AFP’s comments were further proof that public resources could be better spent than on a filtering program that would net blank results.

Read more here.  The Government’s rationale for the filter is getting weaker and weaker.