Computer security firm McAfee on Tuesday will launch a service that unifies defenses for computers, smartphones and tablets.McAfee billed AllAccess as an unprecedented offering for coordinated protection of desktop, laptop and netbook computers along with smartphones or tablets powered by Android, Symbian, or Blackberry operating systems.\"Most consumer households now own a combination of PCs, Macs, and mobile devices, but haven\'t kept up-to-date by adequately protecting all of them,\" said McAfee co-president Todd Gebhart.All Access lets users manage security, limit Internet surfing, and back up data on devices from a central console.It is priced at $99 for one person and $149 for a household version.McAfee announced the new service along with the results of a global study that found people placed an average value of $37,438 on their total \"digital assets,\" including pictures and music collections.