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A low-cost attack on a Microsoft captcha.
Jeff Yan
Ahmad Salah El Ahmad
Published in:
CCS (2008)
Keyphrases
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low cost
low power
real time
business intelligence
digital camera
visual basic
highly efficient
malicious attacks
data acquisition
sql server
countermeasures
single chip
microsoft word
denial of service attacks
attack scenarios
malicious users
microsoft sql server
access control
metadata