Dropbox has had a complaint (PDF) filed against it with the FTC by a well-known security researcher. The cloud-based file storage site, which recently clocked up 25 million users, is alleged to be falsely advertising the security of its services. The allegation comes against the backdrop of the Sony PSN data breach fiasco that exposed the personal information of over 77 million users, the result of apparently lax security. Since SonyĆs woes emerged, along with privacy concerns with Google and Apple, many have questioned the integrity of the masses of personal informa