Newegg offers the Norton by Symantec Internet Security 2014 for 3 PCs for $29.99. Coupon code "EMCPGHC48" cuts it to $19.99. With free shipping, that's the lowest total price we could find by $5. This software scans your PC to identify and eliminate online threats by blocking phishing sites and keeping track of your usernames and passwords so they can't be stolen.