Summarizing ZDNet's Zero Day Posts for May

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

Recommended reading:

• China's Blue Army: When nations harness hacktivists for information warfare

01. Vishing attack on Skype pushing scareware 
02. Commtouch: 71 percent increase in new zombies 
03. Osama execution video scam spreading on Facebook 
04. New MAC OS X scareware delivered through blackhat SEO 
05. 'You visit illegal websites' FBI-themed emails lead to scareware 
06. Fake Microsoft Patch Tuesday emails lead to ZeuS crimeware 
07. 'Enable Dislike Button' scam spreading on Facebook 
08. NASA's Goddard Space Flight Center FTP server hacked 
09. 'Checkout Your PROFILE Stalkers' scam spreading on Facebook 
10. 'The World Funniest Condom Commercial - LOL' scam spreading on Facebook 
11. China's Blue Army: When nations harness hacktivists for information warfare

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