Packet of three wireless sensor network security presentations

http://www.slideshare.net/kudumulavishnu/ksdp?qid=a62fe5b7-95d4-4105-830c-22602e7d7210&v=qf1&b=&from_search=1  

http://www.slideshare.net/argh61/wireless-sensor-network-security-29762450?qid=a62fe5b7-95d4-4105-830c-22602e7d7210&v=qf1&b=&from_search=3

 

http://www.slideshare.net/maha_saad/wireless-sensor-network-security-issues?qid=a62fe5b7-95d4-4105-830c-22602e7d7210&v=qf1&b=&from_search=1

 

(Via Slideshare)