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From 2007-2010, she hosted Cybershack, seen on Channel Ten and later on Channel Nine, replacing former co-host "Fuzzy" Agolley. She has also made appearances on Joker Poker. McNaught joined the cast of Neighbours in December 2007, playing Sienna Cammeniti, Carmella's cousin, a role which she left in October 2008. McNaught has also hosted two seasons of the Asia Pacific Poker Tour.
On 24 November 2009, McNaught severed the index finger on her right hand in an accident as she was shooting a story for Cybershack: she fell from a dirt bike she was riding, and got her hand trapped in the bike's spinning wheel. On 26 November 2009, it was reported that Erin had undergone emergency surgery to reattach the severed finger.
As of December 2010, she co-hosts the MTV Hits Weekly Hot30 Countdown with Matty Acton. On 7 March 2011, she appeared as a guest on Good News Week.