"Every year we work with the Metropolitan Police and other agencies to review our security arrangements in line with relevant threat picture and of course.
Bolton said it was not all about the numbers of people involved.
"Some of it is about the type of intelligence that we're using and the tactics that we're using," she said.
Last week's England v Australia cricket test at Lord's was briefly held up by powder-spreading protesters, following similar incidents at the World Snooker Championship and English Premiership rugby final.
Reporting Mitch Phillips, editing by Ed OsmondOur Standards: The Thomson Reuters Trust Principles.
Persons:
Italy's Lorenzo Musetti, Peru's Juan Pablo Varillas, Andrew Couldridge, we've, Sally Bolton, Bolton, enjoyably, Mitch Phillips, Ed Osmond
Organizations:
Lawn Tennis, Croquet Club, Peru's Juan Pablo Varillas REUTERS, Wimbledon, All England Club, Metropolitan Police, Australia, English Premiership rugby, Thomson
Locations:
London, Britain, England, Lord's