2927 search results - page 238 / 586 » Secure Distributed Human Computation |
233
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PDP
2008
IEEE
16 years 28 days ago
2008
IEEE
System-level virtualization has been a research topic since the 70’s but regained popularity during the past few years because of the availability of efficient solution such as...
127
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CHI
2008
ACM
16 years 7 months ago
2008
ACM
A well-known security and identification problem involves the creation of secure but usable identification and authentication tools that the user is fully motivated to adopt. We d...
160
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CHI
2007
ACM
16 years 7 months ago
2007
ACM
Phishing attacks, in which criminals lure Internet users to websites that impersonate legitimate sites, are occurring with increasing frequency and are causing considerable harm t...
179
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OZCHI
2009
ACM
16 years 1 months ago
2009
ACM
More and more services are available on public terminals. Due to their public location and permanent availability, they can easily fall victim to manipulation. These manipulations...
141
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CCS
2007
ACM
16 years 22 days ago
2007
ACM
We present Asirra (Figure 1), a CAPTCHA that asks users to identify cats out of a set of 12 photographs of both cats and dogs. Asirra is easy for users; user studies indicate it c...