‘Zero days’ last up to six months for some malware

The majority of new malware is added to antivirus signature databases within 24 hours of first appearance, and 93 percent is detected within a month, but it can take as long as six months for antivirus to catch the remaining 7 percent, according to a new study by Atlanta-based security vendor Damballa, Inc.

In the study, Damballa started with a sample set of tens of thousands of different suspicious files in January of 2014.

Damballa offers a service that monitors for unusual behaviors, helping enterprises spot files with malicious payloads that have gotten past their antivirus software.

Then Damballa researchers ran this “zero day” sample set past the top four antivirus products.

To read this article in full or to leave a comment, please click here

Read more: ‘Zero days’ last up to six months for some malware

Story added 13. February 2015, content source with full text you can find at link above.