Newegg offers Symantec Norton Security Deluxe 5-User 1-Year for Windows, Mac, Android, and iOS for $39.99. Coupon code "EMCEHGN49" cuts it to $22.99. With free shipping, that's the lowest total price we could find by $25, although we saw a download version for $3 less three weeks ago. It defends against viruses, spyware, and malware.