1663 search results - page 300 / 333 » Privacy and Identity Management |
MOBICOM
2010
ACM
15 years 13 hour ago
2010
ACM
In this work, we study physical-layer identification of passive UHF RFID tags. We collect signals from a population of 70 tags using a purpose-built reader and we analyze time dom...
100
click to vote
CCS
2010
ACM
15 years 12 hour ago
2010
ACM
We systematically study the design of image recognition CAPTCHAs (IRCs) in this paper. We first review and examine all IRCs schemes known to us and evaluate each scheme against th...
ACSAC
2010
IEEE
14 years 9 months ago
2010
IEEE
Instruction-set randomization (ISR) is a technique based on randomizing the "language" understood by a system to protect it from code-injection attacks. Such attacks wer...
108
click to vote
ACSAC
2010
IEEE
14 years 9 months ago
2010
IEEE
Many financial institutions have deployed CAPTCHAs to protect their services (e.g., e-banking) from automated attacks. In addition to CAPTCHAs for login, CAPTCHAs are also used to...
112
click to vote
ACSAC
2010
IEEE
14 years 8 months ago
2010
IEEE
Heap spraying is an attack technique commonly used in hijacking browsers to download and execute malicious code. In this attack, attackers first fill a large portion of the victim...