Symantec: Spam levels fall to lowest in three years: 
Global spam fell to the lowest level in three years in a sign that spammers may be getting a better rate of return by hitting social-media websites instead, security firm Symantec says.
Symantec: Spam levels fall to lowest in three years: Global spam fell to the lowest level in three years in a sign that spammers may be getting a better rate of return by hitting social-media websites instead, security firm Symantec says.