Summarizing ZDNet's Zero Day Posts for November

The following is a brief summary of all of my posts at ZDNet's Zero Day for November. You can subscribe to my personal RSS feed, Zero Day's main feed, or follow me on Twitter:

01. Massive DNS poisoning attack in Brazil serving exploits and malware
02. South Korea to block port 25 as anti-spam countermeasure
03. Researchers spot malware using a stolen government certificate
04. SCADA systems at the Water utilities in Illinois, Houston, hacked
05. New Facebook worm spreading
06. Popular free antivirus apps for Android fail anti-malware tests

This post has been reproduced from Dancho Danchev's blog. Follow him on Twitter.