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This presentation is about discovery of autoimmunity disorder in select open source and commercial 802.11 AP implementations.
By sending specially crafted packets, it is possible to trigger autoimmunity disorder and cause AP to turn hostile against its own clients.
Although 802.11w promises immunity from Do S attacks, we show that autoimmunity disorder leaves a door open through which Do S attacks can still be launched.
He is a Microsoft frequent speaker in Security Conferences.Md Sohail Ahmad is a wireless security researcher in Air Tight Networks.Mr Ahmad possesses strong background in secure driver development, protocol development, and open source tool development.Top of page In this talk we go over weaknesses in common subway fare collection systems.We focus on the Boston T subway, and show how we reverse engineered the data on magstripe card, we present several attacks to completely break the Charlie Card, a MIFARE Classic smartcard used in many subways around the world, and we discuss physical security problems.
His day to day work involves vulnerability research, exploit development and whitebox / blackbox Penetration Testing.