By Ron Condon
Most security professionals are aware of the security-related social networking issues posed by popular sites such as Facebook, Twitter and MySpace. They may also know that criminals are increasingly focusing their efforts on social networking sites, where they hope to snare unsuspecting users, steal their personal details and infect their computers. But even security professionals may not realise the sheer scale of the social networking challenges.
Facebook Inc. now has more than 400 million active users globally, a massive 229% increase from a year ago. The uptake of Twitter has been even sharper. Twitter Inc.’s co-founder Biz Stone recently trumpeted that the number of Twitter accounts had grown by 1,500% in a year; although he gave no absolute figures, it is clear the number of users is already in the tens, if not hundreds, of millions.
Whatever the precise numbers, the rise in social media usage during the last year has been dramatic, and users and social networkin...
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