The Register

Spammers look east after McColo shutdown

<h4>Zombie networks likely to resurface in two weeks</h4> <p><strong>Analysis</strong> One week after rogue ISP McColo was shut down spam levels have yet to return to normalcy. But security experts are under no illusions that this represents anything more than a temporary reprieve, which will probably come accompanied by a change in tactics by spammers.?</p>