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Intelligence Briefings from the War on Spam

Archive for the ‘IPv6’ Category

Defcon 2014: Blackphone Beefs Up Android Security


Sunday, August 10, 2014 by Andrew Conway

The vendor area at Black Hat goes by the name of The Business Hall, and that sums it up. It is full of security companies, large and small, pitching their products in typical trade show fashion. The vendor area at Defcon is not like that. It is a jumble of vendors selling hacker equipment, lock […]

Cloudmark’s 2013 Annual Global Messaging Threat Report


Thursday, January 30, 2014 by Tom Landesman

As the Chinese New Year rings in the year of the Horse, we’re also excited to announce the release of our 2013 Annual Global Messaging Threat Report. Looking back at the year, we discuss the evolving realm of highly targeted, regional SMS spam campaigns, spammers’ preference for financial themes, Apple iMessage abuse, dramatic increases in […]

Lies, Damn Lies and Spam Statistics


Tuesday, July 09, 2013 by Andrew Conway

The Internet is a fiendishly difficult thing to measure, but that doesn’t prevent corporations and analysts from pretending to be able to do it with a level of precision that is completely unjustified by the quality of their data. This is easy to spot if you compare how different companies report the same thing. For […]

Grum and the Five Hundred Pound Gorilla


Wednesday, August 08, 2012 by Andrew Conway

A couple of weeks ago the Grum botnet was taken down. There were some extravagant claims made about the impact this would have, but in practice there was nothing that would be noticed by end users. Although Grum had about a hundred thousand zombies sending spam, all of those zombies quickly found themselves on IP […]

Stopping Email Abuse in IPv6 Networks


Tuesday, June 05, 2012 by Kevin San Diego

Many service providers, network providers, and corporations plan to launch additional IPv6 networks and on-line services during this year’s World IPv6 Day, which falls on June 6th, 2012. IPv6 promises to enable deployment of a seemingly endless number of networks and devices.  IPv6 provides 128-bits of addressable space, while IPv4 only provides 32-bits.  This means […]


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