Reassurances have been given to faith centres by police following an anti-Muslim backlash sparked by the events in Woolwich in May.
Bacon was put through the letterbox of Maidenhead Mosque last month while two men have been arrested for spray-painting 'England till I die' on nearby tarmac at the Holmanleaze centre.
Deputy Local Policing Area commander for Windsor and Maidenhead, Lee Townsend, said CCTV equipment has been provided to the mosque.
Extra patrols are also continuing outside the site and the town's other mosque in Cookham Road.
"We have got excellent community relations within this borough and we must not let a minority of individuals spoil that," he said.
"By working with these communities we have managed to contain any revenge attacks.
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