John Breton, AbdelRahman Abdou (Carleton University)

The link between user security and web accessibility is a new but growing field of research. To understand the potential threat landscape for users that require accessibility tools to access the web, we created the WATER framework. WATER measures websites using three security-related base accessibility metrics. Upon analyzing 30,000 websites from three distinct popularity ranges, we discovered that the risk for information leakage and phishing attacks is higher for these users. Over half of the analyzed websites had an accessibility percentage of less than 75%, a statistic that exposes these websites to potential accessibility-related lawsuits. Our data suggests that the current WCAG 2.1 standards may need to be revised to avoid assigning Level AA conformance to websites that undermine the security of users requiring accessibility tools. We make the WATER framework publicly available in the hopes it can be used for future research.

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The “Beatrix” Resurrections: Robust Backdoor Detection via Gram Matrices

Wanlun Ma (Swinburne University of Technology), Derui Wang (CSIRO’s Data61), Ruoxi Sun (The University of Adelaide & CSIRO's Data61), Minhui Xue (CSIRO's Data61), Sheng Wen (Swinburne University of Technology), Yang Xiang (Digital Research & Innovation Capability Platform, Swinburne University of Technology)

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Attacks as Defenses: Designing Robust Audio CAPTCHAs Using Attacks...

Hadi Abdullah (Visa Research), Aditya Karlekar (University of Florida), Saurabh Prasad (University of Florida), Muhammad Sajidur Rahman (University of Florida), Logan Blue (University of Florida), Luke A. Bauer (University of Florida), Vincent Bindschaedler (University of Florida), Patrick Traynor (University of Florida)

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Real Threshold ECDSA

Harry W. H. Wong (The Chinese University of Hong Kong), Jack P. K. Ma (The Chinese University of Hong Kong), Hoover H. F. Yin (The Chinese University of Hong Kong), Sherman S. M. Chow (The Chinese University of Hong Kong)

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