Witty worm
...that the Witty worm self-replicating computer worm was the first worm to attack the pieces of software designed to defend against computer worms?
...that the <b id="mwA5Y"><a class="mw-redirect" href="./Witty_worm" id="mwA5c" rel="mw:WikiLink" title="Witty worm">Witty worm</a></b> self-replicating <a href="./Computer_worm" id="mwA5g" rel="mw:WikiLink" title="Computer worm">computer worm</a> was the first worm to attack the pieces of software designed to defend against computer worms?