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Related papers: Is This Really You? An Empirical Study on Risk-Bas…

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Data theft and leakage, caused by external adversaries and insiders, demonstrate the need for protecting user data. Trusted Execution Environments (TEEs) offer a promising solution by creating secure environments that protect data and code…

Cryptography and Security · Computer Science 2024-11-05 Kosei Akama , Yoshimichi Nakatsuka , Korry Luke , Masaaki Sato , Keisuke Uehara

Security vulnerabilities of traditional single factor authentication has become a major concern for security practitioners and researchers. To mitigate single point failures, new and technologically advanced Multi-Factor Authentication…

Cryptography and Security · Computer Science 2019-08-19 Sanchari Das , Bingxing Wang , Zachary Tingle , L. Jean Camp

This paper investigates how to effectively stop an attacker from using compromised user credentials to gain authorized entry to systems that they are otherwise not authorised to access. The proposed solution extends previous work to move…

Cryptography and Security · Computer Science 2018-01-09 Roy Henha Eyono

Formal verification has recently been increasingly used to prove the correctness and security of many applications. It is attractive because it can prove the absence of errors with the same certainty as mathematicians proving theorems.…

Cryptography and Security · Computer Science 2025-09-09 Carolina Carreira , João F. Ferreira , Alexandra Mendes , Nicolas Christin

User profiling is a critical component of adaptive risk-based authentication, yet it raises significant privacy concerns, particularly when handling sensitive data. Profiling involves collecting and aggregating various user features,…

Cryptography and Security · Computer Science 2025-08-05 Yaser Baseri , Abdelhakim Senhaji Hafid , Dimitrios Makrakis

An increasing amount of processes are becoming automated for increased efficiency and safety. Common examples are in automotive, industrial control systems or healthcare. Automation usually relies on a network of sensors to provide key data…

Cryptography and Security · Computer Science 2021-08-10 Raoul Guiazon

Accurately modeling human decision-making in security is critical to thinking about when, why, and how to recommend that users adopt certain secure behaviors. In this work, we conduct behavioral economics experiments to model the…

Computer Science and Game Theory · Computer Science 2018-05-18 Elissa M. Redmiles , Michelle L. Mazurek , John P. Dickerson

Multi-Factor Authentication is intended to strengthen the security of password-based authentication by adding another factor, such as hardware tokens or one-time passwords using mobile apps. However, this increased authentication security…

Cryptography and Security · Computer Science 2023-09-20 Sabrina Amft , Sandra Höltervennhoff , Nicolas Huaman , Alexander Krause , Lucy Simko , Yasemin Acar , Sascha Fahl

The widespread usage of password authentication in online websites leads to an ever-increasing concern, especially when considering the possibility for an attacker to recover the user password by leveraging the loopholes in the password…

Cryptography and Security · Computer Science 2018-04-25 Simone Raponi , Roberto Di Pietro

With the rising number of IoT devices, the security of such devices becomes increasingly important. Remote attestation (RA) is a distinct security service that allows a remote verifer to reason about the state of an untrusted remote prover…

Cryptography and Security · Computer Science 2021-05-13 Alexander Sprogø Banks , Marek Kisiel , Philip Korsholm

Alphanumeric authentication routinely fails to regulate access to resources with the required stringency, primarily due to usability issues. Initial deployment did not reveal the problems of passwords, deep and profound flaws only emerged…

Human-Computer Interaction · Computer Science 2016-01-22 Joseph Maguire , Karen Renaud

Technical standards are a longstanding method of communicating best practice recommendations based on expert consensus. Cybersecurity standards are particularly important for informing policies that protect critical systems and sensitive…

Cryptography and Security · Computer Science 2025-06-11 Noah Apthorpe , Boen Beavers , Yan Shvartzshnaider , Brett Frischmann

To prove that a dataset is sufficiently anonymized, many privacy policies suggest that a re-identification risk assessment be performed, but do not provide a precise methodology for doing so, leaving the industry alone with the problem.…

Cryptography and Security · Computer Science 2025-01-22 Louis-Philippe Sondeck , Maryline Laurent

Digital security technology is able to identify and prevent many threats to users accounts. However, some threats remain that, to provide reliable security, require human intervention: e.g., through users paying attention to warning…

Cryptography and Security · Computer Science 2019-01-11 Elissa M. Redmiles

Face Recognition Systems (FRS) have increasingly integrated into critical applications, including surveillance and user authentication, highlighting their pivotal role in modern security systems. Recent studies have revealed vulnerabilities…

Cryptography and Security · Computer Science 2024-06-11 Jiahao Chen , Zhiqiang Shen , Yuwen Pu , Chunyi Zhou , Changjiang Li , Jiliang Li , Ting Wang , Shouling Ji

Access to resources by users may need to be granted only upon certain conditions and contexts, perhaps particularly in cyber-physical settings. Unfortunately, creating and modifying context-sensitive access control solutions in dynamic…

Cryptography and Security · Computer Science 2021-08-31 Jinxin Liu , Murat Simsek , Burak Kantarci , Melike Erol-Kantarci , Andrew Malton , Andrew Walenstein

Authentication in financial systems remains a uniquely high-stakes security challenge, where even marginal increases in false acceptance can result in catastrophic monetary loss. Existing deployments of adaptive authentication, which…

Cryptography and Security · Computer Science 2026-05-06 Supriya Khadka , Sanchari Das

Two-factor authentication (2FA) offers several security benefits that security-conscious users might expect from high-value services such as online banks. In this work, we present our preliminary study to develop a scoring scheme to…

Cryptography and Security · Computer Science 2022-02-15 Srivathsan G. Morkonda , AbdelRahman Abdou

Although it is common for users to select bad passwords that can be easily cracked by attackers, password-based authentication remains the most widely-used method. To encourage users to select good passwords, enterprises often enforce…

Cryptography and Security · Computer Science 2015-12-21 Cem S. Sahin , Robert Lychev , Neal Wagner

To prevent password breaches and guessing attacks, banks increasingly turn to two-factor authentication (2FA), requiring users to present at least one more factor, such as a one-time password generated by a hardware token or received via…

Cryptography and Security · Computer Science 2015-01-20 Kat Krol , Eleni Philippou , Emiliano De Cristofaro , M. Angela Sasse