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Cleveland Clinic wins one way, then another, in SpamRankings.net
1(4)AS 22093 CCF-NETWORK US 2(-)AS 27609 USC-UNIVERSITY-HOSPITAL US 3(1)AS 25611 NSLIJHS US 4(-)AS 19335 APRIA-HEALTHCARE US 5(2)AS 9208 WIN BE 6(7)AS 122 U-PGH-NET-AS US Cleveland Clinic took #1 in...
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Almost... FortressITX zero spam for one day then up in SpamRankings.net
AS 25653 FortressITX went to zero for one day, 15 May, in the May 2012 U.S. SpamRankings.net, but bounded back up to more than 294,000 spam messages a day a week later, placing #6 for the month as a...
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Microsoft back on top in June SpamRankings.net
1 (2) AS 8075 MICROSOFT-CORP---MSN-AS-BLOCK 2 (1) AS 36692 OPENDNS 3 (-) AS 26769 BANDCON 4 (-) AS 22414 CRAIGS-NET-1 5 (-) AS 22822 LLNW 6 (-) AS 10912 INTERNAP-BLK Beating even OPENDNS, Microsoft...
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Grum and other botnets, 1 June 2012 - 19 July 2012, SpamRankings.net
Apparently the grum botnet has been taken down, or at least its command and control structure. We don't see a lot of change yet, but we'll keep watching. BBC News wrote today, Huge spam botnet Grum is...
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Spam from Microsoft's AS 8075 April 2011-June 2012
As we've seen, Microsoft's AS 8075 is back on top in the June 2012 SpamRankings.net from PSBL data. Actually, AS 8075 is a chronic offender, having been #1 numerous times, often placing in the top 10,...
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What happens when you step in the mud @ Okra Paradise Farms 2012-07-22
Gretchen on the beaver dam: Gretchen on the beaver dam Pictures by John S. Quarterman for Okra Paradise Farms, Lowndes County, Georgia, 22 July 2012. Gretchen and her footprint: Gretchen and her...
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Grum down, but... 1 June 2012 - 30 July 2012, SpamRankings.net
Here is the promised followup to our look at the Grum botnet takedown, in which we have good news and not so good news. A week ago we didn't see much effect. As we noted, that was possibly because the...
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Festi botnet infesting the world, July 2012
Autonomous Systems (ASes) infested with Festi botnet spammed more than any others worldwide, pushing whole new countries such as Saudi Arabia and Turkey into the top of the top 20 countries in the July...
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WIN finally got the no medical spam memo in March 2012
There's a new development since we summarized A Year of SpamRankings.net: Medical Organizations. Chronic spamming medical organization WIN of Belgium finally dropped out of the July 2012 top 10 with...
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Pittsburgh back in the top 10 for spam from U.S. medical organizations
And this time it's #1 in the July 2012 U.S. SpamRankings.net from CBL data: AS 122 U-PGH-NET-AS in the same ranking over time: 2011 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2012 Jan Feb Mar Apr May Jun...
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Festi botnet in July 2012 U.S. Medical SpamRankings.net from CBL
The curve that took University of Pittsburgh Medical Center's AS 122 U-PGH-NET-AS to number one in the July 2012 U.S. SpamRankings.net from CBL data is almost completely explained by Festi botnet,...
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eHealth Ontario tops worldwide medical spammers SpamRankings.net
Joining the festival of the Festi botnet, eHealth Ontario's AS 21992 SSHA-ONE-ASN made #1 in the July 2012 worldwide medical spam SpamRankings.net from CBL data, the first Canadian organization to do...
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John Quarterman on Mapping Spam and Politics (audio)
At a meeting on a completely different subject, I was interviewed about SpamRankings.net. Here's the audio, and here's the blurb they supplied: John S. Quarterman, long time Internet denizen, wrote...
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TTNET ejected Festi but still infested with Lethic and other botnets...
Congratulations to Turkey's TTNET's AS 9121 for getting Festi botnet spam down from more than a million messages a day to less than 100,000! However, Festi is still in there, and TTNET has other...
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Grum botnet is staging a comeback
Remember the apparently successful Grum botnet takedown? Well, Grum is staging a comeback. Sure, a few tens of thousands of spam messages in August 2012 doesn't seem like much compared to the millions...
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Festi pushes KOCNET to #1 in Turkey and #3 in the world
Festi botnet spam made KOCNET beat TTNET to #1 in Turkey for the first time ever in August 2012 SpamRankings.net, in rankings from both CBL and PSBL data. While TTNET managed to stop most spam from...
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Spam externality cost ratio higher than stealing cars: what to do about that?
Spammers only make about $200 million a year, yet they cost everybody else around $20 billion a year, for an externality cost 100 times spam income. That turns out to be higher externality than...
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Festi in the rest of the top Turkish 7 SpamRankings.net 2012-08 CBL data
We've already looked at TTNET, which pushed Turkey to the top of the spamming world in July 2012, and KOCNET, ditto in August. What about other Turkish ASNs? The next five are AS 12735 ASTURKNET, AS...
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Reputation as Public Policy for Internet Security @ TPRC 2012
Saturday I presented Reputation as Public Policy for Internet Security at the 40th Telecommunications Research Policy Conference (TPRC) hosted by George Mason University School of Law, Arlington, VA....
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Terms of Service rankings
Here's another reputational rankings initiative, about something we all encounter whenever we use a new service on the web. According to Terms of Service; Didn't Read (TOS;DR), “I have read and agree...
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