Called the McAfee 'Riskiest Reality TV Star to Search for Online' study, the firm's research names Strictly Come Dancing judge Len Goodman as the second most dangerous reality TV personality.
People looking to stream episodes of programmes such as Britain's Got Talent or The Only Way Is Essex typically search for the names of celebrities associated with the shows.
Nearly two in three searches for terms involving Britain's Got Talent judge Dixon direct users to a malicious website, McAfee said.
will.i.am, Gary Barlow and David Walliams are among the stars who also appear in the top ten.
The rest of the McAfee list can be seen below:
- Alesha Dixon (Britain's Got Talent, Your Face Sounds Familiar)
- Len Goodman (Strictly Come Dancing)
- David Walliams (Britain's Got Talent)
- Adam Garcia (former Got to Dance judge)
- Ashley Banjo (Got to Dance)
- Danny O'Donoghue (outgoing Voice UK coach)
- will.i.am (The Voice UK)
- Gary Barlow (The X Factor)
- Theo Paphitis (former Dragon's Den panellist)
- Elle Macpherson (Britain and Ireland's Next Top Model)