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Terry Zink's Cyber Security Blog
Discussing Internet security in (mostly) plain English
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December, 2006
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Terry Zink's Cyber Security Blog
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December, 2006
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Terry Zink's Cyber Security Blog
Did our spam plummet with the earthquake in Asia?
Posted
over 6 years ago
by
tzink
1
Comments
Just checked out this article (hat tip to John R. Levine... I hope I'm using that term correctly otherwise I'll look quite the fool) about the earthquake in Asia knocking down spam volumes. As an anti-spam fighter at Microsoft I can confirm that the overall...
Terry Zink's Cyber Security Blog
What percentage of mail is spam?
Posted
over 6 years ago
by
tzink
0
Comments
In my other post , I documented my discoveries that the majority of the mail that we see on our networks is either mostly clean (ie, senders delivering 0% spam) or primarily spam (senders delivering us 90% spam or more). I have done the numbers for a...
Terry Zink's Cyber Security Blog
Looking for some Mac blogging software
Posted
over 6 years ago
by
tzink
6
Comments
A couple of months ago I downloaded Windows Live Writer. As far as blog publishing tools go, this is the all the blogging software that I need. I can pick which blog I want, write a post, and then click upload. Other than editing posts later on (which...
Terry Zink's Cyber Security Blog
Spam traffic analysis - by volume
Posted
over 6 years ago
by
tzink
4
Comments
A little over a week ago, I posted that most of our IPs are either very spammy or very clean (as predicted by my theory on the spam curve that I wrote several months ago). I have done some traffic analysis on the volume of mail sent versus how much spam...
Terry Zink's Cyber Security Blog
Spammers jumping on the Vista bandwagon
Posted
over 6 years ago
by
tzink
2
Comments
I've seen cheap software spam pumped over our networks many thousands of times. Nice to see that spammers have kept themselves up-to-date with the times. Not only are they spamming for Windows Vista, they are using image spam to do it. Nice.
Terry Zink's Cyber Security Blog
The nature of email traffic
Posted
over 6 years ago
by
tzink
1
Comments
A few months ago I posted something called the Spam Curve. The essence of the post was that most mail content was either very spammy or very clean. If this could be represented on a chart, the chart would look like a letter U. Most content would fall...
Terry Zink's Cyber Security Blog
Spammers targetting their audience
Posted
over 6 years ago
by
tzink
1
Comments
I was reading the planet antispam RSS (thanks to my friend at IronPort for putting my blog on there) when I came across this article. In the article, the writer was mentioning that the image spam he was receiving contains some technical information in...
Terry Zink's Cyber Security Blog
Is customer feedback useful in determining spam effectiveness?
Posted
over 6 years ago
by
tzink
0
Comments
This past summer when the image-spam run began, our overall spam volume started to rise. With the rise in spam volume came an increase in overall customer complaints and spam submissions to our spam abuse inbox (ie, when customers get a spam submission...
Terry Zink's Cyber Security Blog
Uploaded a new avatar
Posted
over 6 years ago
by
tzink
0
Comments
I uploaded a new avatar to my user profile . It's an image of the most famous bounty hunter in the galaxy (but you'll have to click the link to find out). I think it's a fitting representation for a spam fighter.
Terry Zink's Cyber Security Blog
Be skeptical of advertised spam blocking rates
Posted
over 6 years ago
by
tzink
1
Comments
Whenever I see rival companies boast about their spam-blocking rates, I have to be a little skeptical. I have seen some claim that they catch 98% of all spam. My skepticism is fueled by my inability to comprehend how they generate those statistics. I...
Terry Zink's Cyber Security Blog
New spam rules of engagement finally starting to sink in
Posted
over 6 years ago
by
tzink
6
Comments
Having been a spam fighter for over two years, and having watched spam evolve very quickly over the previous six months, it is now sinking in to me that the methodology in which we used to use to fight spam is no longer valid. Whereas before we had a...
Terry Zink's Cyber Security Blog
Holiday spam a potential problem?
Posted
over 6 years ago
by
tzink
0
Comments
During the past six months, starting in July, the amount of spam we have seen over our networks has doubled. There is the possibility that the increase has been due to signing up new customers but I tend to suspect that it probably has more to do with...
Terry Zink's Cyber Security Blog
Trapped on a ledge
Posted
over 6 years ago
by
tzink
0
Comments
This post is not spam-related, instead, it is the story of the time I nearly died while on a hiking trip in Fiji. I have posted the story on my personal blog in Windows Live Spaces. It is an incredible story, and you can read it by clicking here . Let...
Terry Zink's Cyber Security Blog
Return from the Southern Hemisphere
Posted
over 6 years ago
by
tzink
0
Comments
I have just recently returned from holidays, first in Australia and then in Fiji. I have some pictures available of my trip to Australia here . At the very least, check out the pictures of my new friends. I will upload my pictures from Fiji later, but...
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