Data security has consistently been a major issue in information technology. In the cloud
computing environment, it becomes particularly serious because the data is located in …

The use of cloud computing has increased rapidly in many organizations. Cloud computing
provides many benefits in terms of low cost and accessibility of data. Ensuring the security of …

Intel Software Guard Extensions (SGX) is a hardware-based trusted execution environment
(TEE) that enables secure execution of a program in an isolated environment, an enclave …

Online applications are vulnerable to theft of sensitive information because adversaries can
exploit software bugs to gain access to private data, and because curious or malicious …

The increasing popularity of cloud storage services has lead companies that handle critical
data to think about using these services for their storage needs. Medical record databases …

Distributed ledgers (eg blockchains) enable financial institutions to efficiently reconcile cross-
organization transactions. For example, banks might use a distributed ledger as a settlement …

Online services distribute and replicate state across geographically diverse data centers and
direct user requests to the closest or least loaded site. While effectively ensuring low latency …

This paper introduces a family of leaderless Byzantine fault tolerance protocols, built around
a metastable mechanism via network subsampling. These protocols provide a strong …

Over the years, different meanings have been associated with the word consistency in the
distributed systems community. While in the'80s “consistency” typically meant strong …

Cloud-based services are an attractive deployment model for user-facing applications like
word processing and calendaring. Unlike desktop applications, cloud services allow multiple …