Cooperative Secondary Authorization Recycling
As distributed enterprise systems scale up and become increasingly complex their authorization infrastructures are facing new challenges. Conventional request-response authorization architectures...
View ArticleCooperative Secondary Authorization Recycling
As distributed applications such as Grid and enterprise systems scale up and become increasingly complex, their authorization infrastructures—based predominantly on the request-response paradigm—are...
View ArticleCooperative Secondary Authorization Recycling
As distributed applications such as Grid and enterprise systems scale up and become increasingly complex, their authorization infrastructures—based predominantly on the request-response paradigm—are...
View ArticleAuthorization Recycling in RBAC Systems
As distributed applications increase in size and complexity, traditional authorization mechanisms based on a single policy decision point are increasingly fragile because this decision point represents...
View ArticleCooperative Secondary Authorization Recycling
As enterprise systems, Grids, and other distributed applications scale up and become increasingly complex, their authorization infrastructures---based predominantly on the request-response...
View ArticleCooperative Secondary Authorization Recycling
As enterprise systems, Grids, and other distributed applications scale up and become increasingly complex, their authorization infrastructures—based predominantly on the request-response paradigm—are...
View ArticleAuthorization Using the Publish-Subscribe Model
Traditional authorization mechanisms based on the request-response model are generally supported by point-to-point communication between applications and authorization servers. As distributed...
View ArticleAuthorization Recycling in RBAC Systems
As distributed applications increase in size and complexity, traditional authorization mechanisms based on a single policy decision point are increasingly fragile because this decision point represents...
View ArticleAuthorization Using the Publish-Subscribe Model
Traditional authorization mechanisms based on the request-response model are generally supported by point-to-point communication between applications and authorization servers. As distributed...
View ArticleAuthorization Recycling in Hierarchical RBAC Systems
As distributed applications increase in size and complexity, traditional authorization architectures based on a dedicated authorization server become increasingly fragile because this decision point...
View ArticleImproving Malicious URL Re-Evaluation Scheduling Through an Empirical Study...
The retrieval and analysis of malicious content is an essential task for security researchers. At the same time, the distrib- utors of malicious files deploy countermeasures to evade the scrutiny of...
View ArticleThe Socialbot Network: When Bots Socialize for Fame and Money
Online Social Networks (OSNs) have become an integral part of today's Web. Politicians, celebrities, revolutionists, and others use OSNs as a podium to deliver their message to millions of active web...
View ArticleThe Socialbot Network: When Bots Socialize for Fame and Money
Online Social Networks (OSNs) have become an integral part of today's Web. Politicians, celebrities, revolutionists, and others use OSNs as a podium to deliver their message to millions of active web...
View Article[POSTER] The Socialbot Network: When Bots Socialize for Fame and Money
Online Social Networks (OSNs) have become an integral part of today's Web. Politicians, celebrities, revolutionists, and others use OSNs as a podium to deliver their message to millions of active web...
View ArticleAutomated Social Engineering Attacks in OSNs
In this presentation, we outline the latest automated social engineering attacks in Online Social Networks (OSNs) such as Facebook. We review the techniques used by the adversaries and discuss the...
View ArticleStrategies for Monitoring Fake AV Distribution Networks
We perform a study of Fake AV networks advertised via search engine optimization. We use a high interaction fetcher to repeatedly evaluate the networks by querying landing pages that redirect to Fake...
View ArticleThe Socialbot Network: When Bots Socialize for Fame and Money
Online Social Networks (OSNs) have attracted millions of active users and have become an integral part of today's Web ecosystem. Unfortunately, in the wrong hands, OSNs can be used to harvest private...
View ArticleThe Socialbot Network: Are Social Botnets Possible?
In this invited piece at the ACM Interactions Magazine, we briefly describe our research into the use, impact, and implications of socialbots on Facebook.
View ArticleKey Challenges in Defending Against Malicious Socialbots
The ease with which we adopt online personas and relationships has created a soft spot that cyber criminals are willing to exploit. Advances in artificial intelligence make it feasible to design bots...
View ArticleKey Challenges in Defending Against Malicious Socialbots
The ease with which we adopt online personas and relationships has created a soft spot that cyber criminals are willing to exploit. Advances in artificial intelligence make it feasible to design bots...
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