Terry Zink: Security Talk
Discussing Internet security in (mostly) plain English
Twitter moves to mitigate abuse
Twitter recently announced that taking action to mitigate spam and abuse of its service: A couple...
Author: tzink Date: 03/20/2010
Spam trend this week – new malware targeting Facebook
One of our spam analysts who works out of our Dublin, Ireland office, Kai Yu, wrote this on our...
Author: tzink Date: 03/19/2010
Abusive users
I have a YouTube account with a bunch of my videos on it, and about two months ago I was contacted...
Author: tzink Date: 03/19/2010
What we know (and learned) from the Waledac takedown
I was originally going to post excerpts from this and add my comments, but I have decided to post...
Author: tzink Date: 03/18/2010
A bit more on stolen information
In my previous post, I called attention to a story where a bank employee in Switzerland stole...
Author: tzink Date: 03/16/2010
What do my stats say on Waledac’s takedown?
In my previous post, I wrote that other security researchers didn’t find much impact after Microsoft...
Author: tzink Date: 03/11/2010
No love for Microsoft’s Waledac takedown
A couple of weeks ago, I wrote on the story that Microsoft had obtained a court order to take down...
Author: tzink Date: 03/10/2010
Malware in a nutshell
I was browsing YouTube today and I found an online video starring David Perry of Trend Micro. ...
Author: tzink Date: 03/08/2010
Not a great week for outbound spam
It hasn’t been a great week this week (March 1-5) for some of our customers who use us for outbound...
Author: tzink Date: 03/05/2010
Authorities take down the Mariposa botnet
There are a number of sources talking about the takedown of the Mariposa botnet, here are a few of...
Author: tzink Date: 03/04/2010
Why send spam over TLS?
In my previous post, I noted that rustock had started sending us a whole pile of spam over the TLS...
Author: tzink Date: 03/03/2010
More spam via TLS
The other day, one of our architects was tinkering around and discovered that approximately 40% of...
Author: tzink Date: 03/02/2010
Old fashioned security
Via xkcd.
Author: tzink Date: 03/01/2010
Spam Crackdown Threaten’s Koy4Goff’s Free iPod Industry
Courtesy of The Onion.
Author: tzink Date: 02/27/2010
A little more on Microsoft’s Waledac shutdown
Yesterday, I posted that Microsoft had recently obtained a court order to shut down several *.com’s...
Author: tzink Date: 02/26/2010
Microsoft wins a court order to shut down the Waledac botnet
A number of places are reporting that Microsoft was won a court order to shut down the Waledac...
Author: tzink Date: 02/25/2010
Some stats and figures on DKIM and SPF
Did you ever wonder how many organizations out there are signing their mail with DKIM? Or how...
Author: tzink Date: 02/23/2010
What’s all the Buzz about?
Well, I wasn’t going to blog about Google Buzz, yet here I am. I used to own shares in Google,...
Author: tzink Date: 02/12/2010
New malware threat
Courtesy of The Onion, there is a new worm making its rounds across the Internet that is threatening...
Author: tzink Date: 02/11/2010
Funny cartoon
A friend of mine posted this on his wall at work. I’m reposting it here.
Author: tzink Date: 02/11/2010
Which botnet sends the most spam, part 3
In part 1 of my series, I looked at which botnet sends the most spam, by total number of messages...
Author: tzink Date: 02/05/2010
Which botnet sends the most spam, part 2
Following up from my previous post, there are a couple of ways to measure which botnet sends the...
Author: tzink Date: 02/04/2010
Which botnet sends the most spam?
Around the Internet, and even on this blog, various analyses have been done on botnets and which one...
Author: tzink Date: 02/03/2010
Australia booting infected computers off their networks
The Australian has a good article describing the efforts some of their ISPs are making in an attempt...
Author: tzink Date: 01/28/2010
More on Google and the cyberattacks
The Financial Times has an update on the cyberattacks that targeted Google last week and caused...
Author: tzink Date: 01/27/2010
More Facebook spam
This morning, I logged into my Facebook account to see what all of my various friends were up...
Author: tzink Date: 01/26/2010
Spam is solved, we can all go home now
The NewScientist has an article on an interesting new antispam technique. Here’s an excerpt:...
Author: tzink Date: 01/25/2010
My new Best Buy $1000 Gift Card
Yesterday, I was browsing through Facebook. I never really look at the ads on the right hand...
Author: tzink Date: 01/22/2010
An adventure in Peru, part 7 – Finale
This story is (mostly) fiction. But it’s quite entertaining if you use your imagination. ...
Author: tzink Date: 01/15/2010
Google’s rocky relationship with China
The following article is a reprint from Stratfor (subscription required). I am re-posting it here...
Author: tzink Date: 01/15/2010
Another botnet taken down
A few weeks ago in the beginning of November, I posted a blog post about the highest number of...
Author: tzink Date: 01/14/2010
Analysis of a spam message using extensive spoofing techniques
Today, I came across a spam message pushing Asian porn. The body of the links contained a...
Author: tzink Date: 01/08/2010