England coach Clive Woodward said the team's hotel rooms have been swept for bugs but insisted they were not being paranoid in the run-up to Saturday's World Cup final.
Woodward admitted they had used equipment to check for listening devices but said it was nothing new and just "common sense".
The 1995 World Cup final in South Africa was surrounded by controversy amid accusations that the New Zealand team's food was poisoned ahead of the final.
And Woodward revealed that England had found bugs in their rooms in the past.
"All you can do is cover as many bases as possible and be professional about it," said Woodward.
"We have a device no bigger than a matchbox that picks up any bugs. It's no different to what any corporation would use.
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It's not paranoia, we just do some simple, basic things that we've always done
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"It's not difficult, it's just common sense. My business background understands that.
"It's not paranoia, we just do some simple, basic things that we've always done.
"But when you're away from home, if the opposition really wants to bug you and watch what you're doing, there's not a lot you can do about it.
"And you've got to be smart enough during a game to adapt if you find out somebody has got some information.
"But I don't think for one second the Australians will be watching
us. It's as simple as that. I don't think that's
the way they operate. It's more for the media."
Woodward also admitted that Jonny Wilkinson would receive special security this week.
"We make sure a couple of people who are on the trip with
us are always around him," said Woodward.
"That has been happening for the last
12 months.
"We are going to look after him when we know there are lots
of people around so it's not just the World Cup. It's not just
in Australia.
"It's no big drama. He's a high-profile sports person."
The coach said England would have a low-key build-up to the final, with light training on Tuesday and Wednesday and days off on Thursday and Friday.