Symantec Norton 360 - Version 4.0.015 Symantec Norton 360 is world's best security suite takes care of your full PC. Norton 360 does the job of of antivirus + firewall + Internet security against threats and also provides you an in-built backup tool to keep important data backed up on Symantec's secure servers. Norton 360 gives you protection, performance and peace of mind against digital dangers