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Terry Zink's Anti-malware Blog

Protecting your mail from the scum of the internet

May 2008 - Posts

Comment spam: Spammers vs morons
This post is a bit of a rant. On this particular blog, all of my commenters are quite intelligent.  You all provide good content and I try my best to respond to most of the comments.  The times I don't is because the connection screws up and Read More...
How many arrows in the quiver is enough? Part 2
The second major disadvantage of multiple antispam strategies is the overall cost of maintaining multiple filtering strategies. We have a spam team of less than 10 people. I'd wager to say that most antispam organizations have a similarly sized team. Read More...
How many arrows in the quiver is enough?
Spammers use a variety of tactics in order to push their payload through to the end user.  In return, anti-spam companies have a variety of tools in their arsenal in order to combat spammers.  At one point, we, in the industry, need to ask ourselves Read More...
MySpace: taking steps to clamp down on application spam
One of the annoying things about Facebook is that whenever I want to install an application, or respond to a friend's application, I have to install it, check 5 different checkboxes and then ask if I want to send the notification to all my friends.  Read More...
Gmail has an interesting idea to thwart spammers
A reader sent me a link to a list of points that make Gmail really great.  I'm not sure whether or not these points are enough to convince me that Gmail is fantastic, but I admit that it does do some things well (Hotmail does a few things well, also).  Read More...
Spam patterns
Over the past couple of weeks, I have seen a particular spam pattern hitting my Yahoo inbox. Krissy@alleninfo013.info Elodia@dataex621.info In other words, it follows the regular expression: [A-Z][a-z]+\@[a-z]+\d{3}\.info For those of you who can't read Read More...
Yahoo has a false positive problem and then rolls it back
JD Falk of Box of Meat has a post that describes a problem Yahoo had with one of its new email security features. The article states that the problem arose when Yahoo decided to stop any emails going through the servers, which it runs for its partner Read More...
Sample stats on botnets
A few months ago there was a research presentation presented on computer security.  It touched upon botnets and the presenter gave some data.  Below are some summary results based on a 9-day down-sampled spam trace from Hotmail. There were 294 Read More...
Sanford Wallace gets sued again
Accused spammer Sanford Wallace has been sued... again.  And he has had a major judgment made against him... again.  This time, it's to the tune of $230 million. From the Associated Press: NEW YORK (AP) - A notorious "Spam King" and Read More...
Hard to see, the future is
About 15 months ago I started work on a project that measures our spam effectiveness.  Just last week the first part of it finally went live, end-to-end.  It was a long time coming but we finally got it done.  If you're wondering what took Read More...
The importance of botnets in computer security
Several of the characteristics of botnets are not only significant in and of themselves, but are emblematic of some of the unique challenges that cyberwarfare as a whole presents. This is part of a series run by Stratfor with some additional commentary Read More...
What else makes hackers tick?
In my previous post , which is taken from a series that Stratfor has run recently, we looked at some of the motivations of hackers. Let's take a look at some more. Altruism The tenets of altruism vary greatly, depending on the person subscribing to it, Read More...
What makes hackers tick?
Why do hackers do what they do?  Are they motivated by something?  Altruism?  Greed?  Strafor examined this in one of their recent articles, parts of which I have below with some additional comments from me. The personal motivations Read More...
Coders, crackers and bots, oh my!
There are more than just blue, black and white hat hackers. There are a few more types of folks out there that don't fit into the above categories. This article is taken from Stratfor with some commentary by myself. Coders Many of the hackers described Read More...
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