Except where otherwise noted, all postings by Terry Zink on CircleID are licensed under a Creative Commons License.
| 2012 - Feb 13 | on | How Frequently Do Botnets Reuse IP Addresses? |
| 2011 - Aug 24 | on | Spam Continues to Drop |
| 2011 - Aug 23 | on | Spam Continues to Drop |
| 2011 - Aug 23 | on | Spam Continues to Drop |
| 2011 - Aug 17 | on | Spam Continues to Drop |
| 2011 - Jun 30 | on | Bit.ly Gets You Blocked |
| 2011 - Apr 08 | on | ESP Compromises and Their Lack of Security |
| 2011 - Jan 11 | on | Spam Volumes In 2010 |
| 2010 - Oct 18 | on | United States Is the Most Bot-Infected Country. Right? |
| 2010 - May 07 | on | Why Aren't There More Spam Lawsuits? |
| 2010 - Feb 27 | on | Closing in on the Google Hackers |
| 2009 - Sep 04 | on | Oh, Spammer, Where Art Thou? |
| 2009 - Jul 20 | on | Think China Is the Highest Spamming Country? Think Again |
| 2009 - Jan 18 | on | Spam Fighting: Lessons from Jack Bauer? |
| 2009 - Jan 02 | on | Top 10 Spam Stories of 2008 |
| 2007 - Aug 22 | on | How Spammers Get Around SPF |