320 search results - page 2 / 64 » Securing history: Privacy and accountability in database sys... |
CCS
2011
ACM
12 years 6 months ago
2011
ACM
A significant and growing class of location-based mobile applications aggregate position data from individual devices at a server and compute aggregate statistics over these posi...
ESORICS
2009
Springer
14 years 7 months ago
2009
Springer
Accountability mechanisms, which rely on after-the-fact verification, are an attractive means to enforce authorization policies. In this paper, we describe an operational model of ...
IEEEARES
2009
IEEE
14 years 1 months ago
2009
IEEE
Many emergent security threats which did not exist in the traditional telephony network are introduced in SIP VoIP services. To provide high-level security assurance to SIP VoIP s...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
We consider a privacy threat to a social network in which the goal of an attacker is to obtain knowledge of a significant fraction of the links in the network. We formalize the ty...
CCS
2010
ACM
13 years 5 months ago
2010
ACM
Social network-based Sybil defenses exploit the trust exhibited in social graphs to detect Sybil nodes that disrupt an algorithmic property (i.e., the fast mixing) in these graphs...