avast! has been regularly awarded and certified by leading authorities in the security software industry.

AV-TEST Product Review and Certification Reports
avast! Free Antivirus was reviewed and certified in tests for:

CNET Download.com gives its March, 2012 Editors' Choice Award to avast! Free Antivirus version 7.
GetNow.com gives avast! Free Antivirus 8 its 5-star Editor's Choice award for 2013.

Privacy PC gave avast! Free Antivirus 7 its "Editor's Choice" award for 2012.

Chip.de awards avast! Free Antivirus as its 11th most downloaded software of 2011.
Independent firm OPSWAT certifies avast! version 6 (2011) consumer and business software, as well as version 7 (2012) consumer and Endpoint Protection solutions.
Calling avast! "the silver bullet against viruses and other threats," filecluster gives avast! its full five-star "EXCELLENT" rating.

FindTheBest.com weighs other software rating sources to determine the best solutions available.

TECHSPOT editors list the key features of avast! Free Antivirus 6.0, reporting "outstanding performance," with "almost 100% detection."

TechDeville editors use their own experience with major antivirus providers "to find out which one stands out..." and report that "incredible" full-featured, "flawless" and fast avast! Antivirus 6.0 is at the top of their list.

Based on recommendations from hundreds of reference sites (academies, universities, colleges, etc.), leading French IT publication CommentCaMarche.net rewards avast! as the best open-source or free software. (in French)
avast! made the top 10 most-downloaded list, out of more than 200,000 Windows products on CNET Downloads.

avast! Free Antivirus receives kudos for "superior protection quality" and "continual improvement in spite of the fact that it remains free of charge.

Having passed rigorous testing by Microsoft to prove that it can be installed and run reliably on the Windows 7 operating system, avast! has earned the right to use the “Compatible with Windows 7” logo.
avast! received ICSA Labs certifications for:

avast! passed the VB100 tests on:
AV Comparatives awarded avast! its highest "Advanced +" rating in:
avast! received the highest 5-star "Excellent" rating in the following SOFTPEDIA reviews:

avast! Free Antivirus 5.0 received the highest five-star rating from CNET.
avast! Server Edition won the Readers’ Choice Award in the Network Antivirus category.

avast! was voted "Best Bet" among free security tools.
avast! was awarded by the Danish computer magazine PC World. (Danish)
avast! topped the list in the security software category.

avast! is a member of the Intel Software Partner Program.

avast! is certified by Westcoast Labs.

Anti-Malware Test Labs awarded avast! its highest honor, the Platinum Performance Award, for fastest on-access scanning.
Secure Computing magazine honored avast! with the coveted SC Award, one of the most highly prized awards in the industry.