Report: 15 solutions achieve VBSpam award

Posted by   Virus Bulletin on   Aug 7, 2014

Despite short spike, image spam no problem for spam filters.

Good news for those who need to run a spam filter (in other words: everyone who runs a mail server). For the second time in a row, all 15 participating full solutions in our comparative anti-spam tests achieved a VBSpam award. They all blocked a large percentage of spam, while blocking very few legitimate emails.

Eight products – Bitdefender, ESET, FortiMail, Kaspersky LMS, Libra Esva, Netmail Secure, OnlyMyEmail and ZEROSPAM – even achieved a VBSpam+ award for blocking more than 99.5% of spam, while generating no false positives at all in the 'ham' corpus, and very few false positives in a separate corpus of newsletters.


  VBSpam quadrant - click here to view a larger version of the chart.

This month's results didn't only provide good news. The relative amount of spam missed increased by a third and while with an average catch rate of 99.7% there isn't a lot to worry about yet, this is something for product developers to keep an eye on. In the spammers' business model, a high block rate is already included, so a small change can make or break a spam campaign.

As of this month, all content published through Virus Bulletin is available free of charge, and the test reviews are no exception. We encourage readers to make use of this and read the report, if not for the performance details of the various products, then at least for the 'state of spam' overview these bi-monthly reports provide.

This month's report has been split in two. A summary of the results with a focus on the state of spam can be viewed here in HTML format, or downloaded here as a PDF. The full report, with performance details of all participating products, can be viewed here in HTML format, or downloaded here as a PDF.

In the summary, we also looked at the spike in image spam, reported by Symantec and also noticed in our lab. We showed that image spam poses very little problems for spam filters: in fact, on average they had an easier time filtering it than other spam.


  The percentage of image spam (blue line; right-hand y-axis) during the first three days of the test set against the block rates for image spam and all spam (red and green lines; left-hand y-axis).

Posted on 07 August 2014 by Martijn Grooten
twitter.png
fb.png
linkedin.png
hackernews.png
reddit.png

 

Latest posts:

New paper: Collector-stealer: a Russian origin credential and information extractor

In a new paper, F5 researchers Aditya K Sood and Rohit Chaturvedi present a 360 analysis of Collector-stealer, a Russian-origin credential and information extractor.

VB2021 localhost videos available on YouTube

VB has made all VB2021 localhost presentations available on the VB YouTube channel, so you can now watch - and share - any part of the conference freely and without registration.

VB2021 localhost is over, but the content is still available to view!

VB2021 localhost - VB's second virtual conference - took place last week, but you can still watch all the presentations.

VB2021 localhost call for last-minute papers

The call for last-minute papers for VB2021 localhost is now open. Submit before 20 August to have your paper considered for one of the slots reserved for 'hot' research!

New article: Run your malicious VBA macros anywhere!

Kurt Natvig explains how he recompiled malicious VBA macro code to valid harmless Python 3.x code.

We have placed cookies on your device in order to improve the functionality of this site, as outlined in our cookies policy. However, you may delete and block all cookies from this site and your use of the site will be unaffected. By continuing to browse this site, you are agreeing to Virus Bulletin's use of data as outlined in our privacy policy.