By Elli Fragkaki, Lujo Bauer, Limin Jia, David Swasey (auth.), Sara Foresti, Moti Yung, Fabio Martinelli (eds.)
This ebook constitutes the refereed lawsuits of the seventeenth ecu Symposium on machine safety, ESORICS 2012, held in Pisa, Italy, in September 2012. The 50 papers integrated within the ebook have been conscientiously reviewed and chosen from 248 papers. The articles are equipped in topical sections on safety and knowledge defense in genuine structures; formal types for cryptography and entry keep an eye on; protection and privateness in cellular and instant networks; counteracting man-in-the-middle assaults; community defense; clients privateness and anonymity; place privateness; balloting protocols and nameless verbal exchange; inner most computation in cloud structures; formal defense types; id established encryption and crew signature; authentication; encryption key and password defense; malware and phishing; and software program security.
Read Online or Download Computer Security – ESORICS 2012: 17th European Symposium on Research in Computer Security, Pisa, Italy, September 10-12, 2012. Proceedings PDF
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Cellular units, corresponding to clever telephones, have completed computing and networking features such as conventional own pcs. Their profitable consumerization has additionally turn into a resource of soreness for adopting clients and companies. specifically, the common presence of information-stealing functions and different kinds of cellular malware increases large protection and privateness matters.
Intelligence and safety informatics (ISI) will be largely outlined because the research of the improvement and use of complex info applied sciences and platforms for nationwide and foreign security-related functions, via an built-in technological, organizational, and policy-based strategy. some time past few years, ISI examine has skilled large progress and attracted titanic curiosity from educational researchers in similar fields in addition to practitioners from either executive organisations and undefined.
Profitieren Sie von den Erfahrungen der Autoren! Mit diesem Buch erhalten Sie das aktuelle und zuverlässige Praxiswissen zum IT-Sicherheitsmanagement in Unternehmen und Behörden – Aufbau und Inhalt des Werkes haben sich in der Aus- und Fortbildung von IT-Sicherheitsbeauftragten bewährt. Die Inventarisierung aller Informationswerte (Assets), die Formulierung von Sicherheitszielen und die Erstellung von Leitlinien und Sicherheitskonzepten werden klar und verständlich dargestellt.
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Extra resources for Computer Security – ESORICS 2012: 17th European Symposium on Research in Computer Security, Pisa, Italy, September 10-12, 2012. Proceedings
Once the data servers have started and registered, the cluster can begin to service clients. When a client ﬁrst starts to use the cluster, it must create a session with the metadata server. The client creates two random session keys and sends them to the metadata server encrypted with public key of the server. The metadata server stores the keys and replies with an acknowledgment of the registration. All further communication will be authenticated by using a MAC with one of the keys associated with the client.
The initial paper describing GFS states that no security was built into the system, other than rudimentary checks at the metadata server: no access control checks at servers and no protection of data in ﬂight . Yahoo! has instrumented the Hadoop File System (HDFS) with additional access controls to address some of the security concerns of its users . Their architecture uses Kerberos for user authentication and message integrity, and uses a token-based access control scheme (similar to Kerberos tickets).
File blocks only travel between and among clients and data servers and, as stated above, the ﬁle blocks are always encrypted before being transmitted. It is worth noting that in several instances, the key used to encrypt a ﬁle block is also sent with the block. However, the key is also encrypted with a semantically secure cipher. This layer of encryption should stymie the adversary A, unless A can acquire the key(s) or compute a non-negligible amount of information about the key(s). The semantic security of the cipher implies that the passive adversary, with overwhelming probability, can only learn a negligible amount of information about any transmitted key (likewise for any key used to encrypt the transmitted key).