Alcatraz: Data Exfiltration-Resilient Corporate Network Architecture

Asoni, Daniele Enrico; Sasaki, Takayuki; Perrig, Adrian

doi:10.1109/cic.2018.00033

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A Defense For Wallet System Attack1

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“…Therefore, an approach such as a Software Data Diode [72] can be used. The mechanisms to provide the path integrity, packet integrity, and packet confidentiality using commodity hardware (HW) Trusted Execution Environments [73] can also be employed to mitigate the key exposure exfiltration.…”

Section: A Defense For Wallet System Attackmentioning

confidence: 99%

A Security Analysis of Blockchain-Based Did Services

et al. 2021

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Decentralized identifiers (DID) has shown great potential for sharing user identities across different domains and services without compromising user privacy. DID is designed to enable the minimum disclosure of the proof from a user's credentials on a need-to-know basis with a contextualized delegation. At first glance, DID appears to be well-suited for this purpose. However, the overall security of DID has not been thoroughly examined. In this paper, we systemically explore key components of DID systems and analyze their possible vulnerabilities when deployed. First, we analyze the data flow between DID system components and analyze possible security threats. Next, we carefully identify potential security threats over seven different DID functional domains, ranging from user wallet to universal resolver. Lastly, we discuss the possible countermeasures against the security threats we identified.

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Section: A Defense For Wallet System Attackmentioning

confidence: 99%