Eset nod32 is the Best

Eset nod32 Antivirus and Eset nod32 Smart Security are the best virus guards ever built so far.
You can say the Best Antivirus, Spyware Protection and Personal Firewall is Eset nod32.

ESET Smart Security 5
ESET Smart Security 5 delivers the ultimate protection against Internet threats, cybercriminals, and hackers by adding an intelligent firewall, advanced antispam technology and parental controls. Complimentary Internet security training is included.

ESET NOD32 Antivirus 5 
Get our most advanced antivirus and antispyware technology yet in the fifth generation ESET NOD32 Antivirus and enjoy fast, light and proactive protection against viruses, trojans, worms, hackers and other cyber threats.

ESET Cybersecurity for Mac
ESET Cybersecurity protects against the Flashback bot trojan, as well as other forms of Mac and Windows viruses. Uniquely engineered for OS X with ESET's award-winning technology to keep your Mac safe. Complimentary cybersecurity training is included. Tweet