GLENDALE, Calif., Jan. 19/PRNewswire/--Panda Security's industry acclaimed free antivirus service, Panda Cloud Antivirus, has received Microsoft's 'Compatible with Windows 7' certification after passing the company's quality checks for both 32-bit and 64-bit systems. Since the launch of Panda Cloud Antivirus on November 10, 2009, millions of users have enjoyed the simplest, most effective and easy-to-use protection on the market.

Panda Cloud Antivirus is the world's first free antivirus service that provides real-time protection against the newest and most dangerous viruses. This level of protection is made possible because Panda gathers malware information from its global community of users in the cloud to automatically process malware strains in minutes, versus hours or even days compared to other products. Panda's approach combines local detection technologies with real-time cloud scanning to maximize protection while significantly minimizing the impact on PC performance.

Panda Cloud Antivirus has recently won the PCMag.com Editor's Choice Award for Best Free Antivirus, as well as top honors in PCWorld's comparative review of free antivirus software. Panda Cloud Antivirus is available for download free of charge at www.cloudantivirus.com.

About Panda Security

Founded in 1990, Panda Security is the world's leading provider of cloud-based security solutions with products available in more than 23 languages and millions of users located in 195 countries around the world. Panda Security was the first IT security company to harness the power of cloud computing with its Collective Intelligence technology. This innovative security model can automatically analyze and classify thousands of new malware samples per day, guaranteeing corporate customers and home users the most effective protection against Internet threats with minimum impact on PC performance. Panda Security has 56 offices throughout the globe with US headquarters in California and European headquarters in Spain.