The shortcomings of antivirus software are well known in the security industry, where the programs are typically considered an eminently fallible last line of defense.
When Google analyzed, for example, the performance of four antivirus engines in a recent research paper on new reputation-based techniques to stop malicious downloads, the company found that the best scanner caught at most 25 percent of malicious files from the Internet. Combining all four engines only resulted in 40 percent of the malicious files being detected. While the Internet giant did not name the providers of the software nor discuss the testing environment, the results are in line with other studies as well. Read the entire article>>