Stay Warm and Safe with avast! Internet Security

While winter weather blusters outside, stay warm and safe inside tracking the storm with maximum online protection from avast! Internet Security. Act now for this limited-time winter offer.

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Maximum, lightning-fast protection

Looking for the world’s most popular free antivirus software?

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For ordinary Internet usage

avast! Free Mobile Security

The most ingenious Android security Solution...

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Tough business climates need reliable and efficient protection

Our newly designed avast! File Server Security earned one of the highest scores with a VB100 Award in the latest Virus Bulletin test (October 2011).

Check out our latest IT security solutions for your business:

avast! Business Protection Plus

Complete solution includes client (end-point) protection, file and email server protection, and remote management.

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avast! File Server Security

Stand-alone, high-performance server security protects you from data loss (integrates with SharePoint Servers).

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VB100 comparative review of file server solutions

In the four major performance categories tested by Virus Bulletin, avast! achieved exceptional results: fast, ultra-light, accurate, and efficient. Protect your servers with avast! File Server Security and focus on your business growth.

Virus Bulletin Comparative Test Server solutions (Oct 2011)	On-Access Detection	On-Demand Detection	Clean Set Suspicious	Certified	OD-Throughput (MB/s)	OA-Throughput (s/GB)	Resources Increase
G Data	100.00%	100.00%	0	PASS	20	90	10%
Avira	99.80%	99.70%	0	PASS	18	56	7%
BitDefender	99.70%	99.80%	103	PASS	17	77	25%
BullGuard	99.70%	99.80%	0	PASS	28	51	66%
avast! File Server Security	99.60%	99.60%	0	PASS	22	32	1%
eScan	99.50%	99.80%	0	PASS	22	53	8%
ESTsoft	99.30%	99.40%	34	PASS	12	13	21%
AVG	99.00%	99.30%	3	PASS	12	18	3%
F-Secure	99.00%	99.10%	0	PASS	19	239	2%
Fortinet	98.70%	98.70%	0	PASS	18	64	17%
GFI VIPRE	98.40%	99.70%	0	PASS	7	365	3%
ESET	98.10%	98.70%	22	PASS	17	47	12%
Kaspersky	97.80%	98.50%	0	PASS	10	35	3%
Microsoft	97.30%	97.70%	2	PASS	19	51	3%
Lumension	96.60%	96.70%	4	PASS	2	333	18%
Norman	96.50%	96.60%	2	PASS	7	278	11%
Defenx	96.00%	96.50%	0	PASS	13	63	63%
Emsisoft	99.80%	99.50%	0	FAIL	6	46	21%
Rising	99.70%	99.70%	0	FAIL	10	10	31%
Hauri ViRobot	85.30%	97.40%	2	FAIL	30	42	3%