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Computer Law

Schulich School of Law, Dalhousie University

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Full-Text Articles in Law

Platforms, Encryption, And The Cfaa: The Case Of Whatsapp V Nso Group, Jonathon Penney, Bruce Schneier Jan 2022

Platforms, Encryption, And The Cfaa: The Case Of Whatsapp V Nso Group, Jonathon Penney, Bruce Schneier

Articles, Book Chapters, & Popular Press

End-to-end encryption technology has gone mainstream. But this wider use has led hackers, cybercriminals, foreign governments, and other threat actors to employ creative and novel attacks to compromise or workaround these protections, raising important questions as to how the Computer Fraud and Abuse Act (CFAA), the primary federal anti-hacking statute, is best applied to these new encryption implementations. Now, after the Supreme Court recently narrowed the CFAA’s scope in Van Buren and suggested it favors a code-based approach to liability under the statute, understanding how best to theorize sophisticated code-based access barriers like end-to-end encryption, and their circumvention, is now …


Submission To The Province Of Nova Scotia On Its Review Of The Intimate Images And Cyber-Protection Act - Leaf, Suzie Dunn, Rosel Kim Jan 2022

Submission To The Province Of Nova Scotia On Its Review Of The Intimate Images And Cyber-Protection Act - Leaf, Suzie Dunn, Rosel Kim

Reports & Public Policy Documents

The Women’s Legal Education and Action Fund (LEAF) commends the Nova Scotia government for reviewing its Intimate Images and Cyber-protection Act (the Act) and seeking public input for this review. Nova Scotia has been, and continues to be, a leader in Canada for its role in advancing innovative laws and supports for people targeted by technology-facilitated violence (TFV), digital abuse, and the non-consensual distribution of intimate images (NCDII). As these forms of harmful behaviour evolve and become better understood, it is important to revisit this legislation to assess whether it is providing meaningful and accessible responses to such serious social …


Politics Of Adversarial Machine Learning, Kendra Albert, Jonathon Penney, Bruce Schneier, Ram Shankar Siva Kumar Jan 2020

Politics Of Adversarial Machine Learning, Kendra Albert, Jonathon Penney, Bruce Schneier, Ram Shankar Siva Kumar

Articles, Book Chapters, & Popular Press

In addition to their security properties, adversarial machine-learning attacks and defenses have political dimensions. They enable or foreclose certain options for both the subjects of the machine learning systems and for those who deploy them, creating risks for civil liberties and human rights. In this paper, we draw on insights from science and technology studies, anthropology, and human rights literature, to inform how defenses against adversarial attacks can be used to suppress dissent and limit attempts to investigate machine learning systems. To make this concrete, we use real-world examples of how attacks such as perturbation, model inversion, or membership inference …


Ethical Testing In The Real World: Evaluating Physical Testing Of Adversarial Machine Learning, Kendra Albert, Maggie Delano, Jonathon Penney, Afsaneh Ragot, Ram Shankar Siva Kumar Jan 2020

Ethical Testing In The Real World: Evaluating Physical Testing Of Adversarial Machine Learning, Kendra Albert, Maggie Delano, Jonathon Penney, Afsaneh Ragot, Ram Shankar Siva Kumar

Articles, Book Chapters, & Popular Press

This paper critically assesses the adequacy and representativeness of physical domain testing for various adversarial machine learning (ML) attacks against computer vision systems involving human subjects. Many papers that deploy such attacks characterize themselves as “real world.” Despite this framing, however, we found the physical or real-world testing conducted was minimal, provided few details about testing subjects and was often conducted as an afterthought or demonstration. Adversarial ML research without representative trials or testing is an ethical, scientific, and health/safety issue that can cause real harms. We introduce the problem and our methodology, and then critique the physical domain testing …


Electronic Devices At The Border: The Next Frontier Of Canadian Search And Seizure Law?, Robert Currie Jan 2016

Electronic Devices At The Border: The Next Frontier Of Canadian Search And Seizure Law?, Robert Currie

Articles, Book Chapters, & Popular Press

Over the last several years the Supreme Court of Canada has developed its jurisprudence regarding the search and seizure of electronic devices, applying section 8 of the Canadian Charter of Rights and Freedoms in such a way as to assert and protect a significant amount of privacy in the devices and their data. Recent cases regarding the search of devices at Canada’s borders, however, do not reflect this case law. This is a situation made all the more complex by the generally attenuated expectation of privacy in the border context, and is worthy of inquiry. Using a pending border case …


The Cycles Of Global Telecommunication Censorship And Surveillance, Jonathon Penney Jan 2015

The Cycles Of Global Telecommunication Censorship And Surveillance, Jonathon Penney

Articles, Book Chapters, & Popular Press

Internet censorship and surveillance is on the rise globally and cyber-warfare increasing in scope and intensity. To help understand these new threats commentators have grasped at historical analogies often with little regard for historical complexity or international perspective. Unfortunately, helpful new works on telecommunications history have focused primarily on U.S. history with little focus on international developments. There is thus a need for further internationally oriented investigation of telecommunications technologies, and their history. This essay attempts to help fill that void, drawing on case studies wherein global telecommunications technologies have been disrupted or censored — telegram censorship and surveillance, high …


Communications Disruption And Censorship Under International Law: History Lessons, Jonathon Penney Jan 2012

Communications Disruption And Censorship Under International Law: History Lessons, Jonathon Penney

Articles, Book Chapters, & Popular Press

With Internet censorship on the rise around the world, a variety of tools have proliferated to assist Internet users to circumvent such censorship. However, there are few studies examining the implications of censorship circumvention under international law, and its related politics. This paper aims to help fill some of that void, with an examination of case studies wherein global communications technologies have been disrupted or censored — telegram cable cutting and censorship, high frequency radio jamming, and direct broadcast satellite blocking — and how the world community responded to that disruption or censorship through international law and law making. In …