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Contextual Integrity as a Normative Guide for Privacy
Contextual Integrity as a Normative Guide for Privacy
The privacy conundrum
The privacy conundrum
Some other approaches
Some other approaches
Contextual Integrity {bringing the social layer into view}
Contextual Integrity {bringing the social layer into view}
Contexts … Structured social settings (“Institutions”) Characterized
Contexts … Structured social settings (“Institutions”) Characterized
more about contexts…
more about contexts…
Among the norms context-relative Informational Norms
Among the norms context-relative Informational Norms
Transmission Principles** e.g
Transmission Principles** e.g
Contextual Integrity in a nutshell …
Contextual Integrity in a nutshell …
Contextual Integrity
Contextual Integrity
Q: Is CI conservative
Q: Is CI conservative
I. Evaluating the merits of new practices against entrenched norms …
I. Evaluating the merits of new practices against entrenched norms …
II
II
Review
Review
Conclusion: lots more work to be done
Conclusion: lots more work to be done

Презентация на тему: «На эллинистическая цивилизация 5 класс». Автор: Nissenbaum. Файл: «На эллинистическая цивилизация 5 класс.ppt». Размер zip-архива: 90 КБ.

На эллинистическая цивилизация 5 класс

содержание презентации «На эллинистическая цивилизация 5 класс.ppt»
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1 Contextual Integrity as a Normative Guide for Privacy

Contextual Integrity as a Normative Guide for Privacy

Helen Nissenbaum New York University * School of Information, UC Berkeley April 2, 2008 * Supported by NSF ITR-0331542: Sensitive Information in a Wired World (PORTIA)

2 The privacy conundrum

The privacy conundrum

+Controversial socio-technical systems -- track and monitor, aggregate and analyze, and publish and disseminate personal information E.g. CCTV, RFID, DRM, Choicepoint, public records online, Facebook. +Non-controversial socio-technical systems E.g. body function monitoring in hospitals +Need for a moral/political “justificatory framework” E.g. distinguish oppressive from benign surveillance

3 Some other approaches

Some other approaches

Resort to private/public distinction E.G Canadian physicians and PIPEDA (2001) Support control by subject All out interest brawl Values tradeoffs

4 Contextual Integrity {bringing the social layer into view}

Contextual Integrity {bringing the social layer into view}

is a measure of how closely the flow of personal information conforms to context-relative informational norms. Contextual integrity is violated when these norms are breached.

5 Contexts … Structured social settings (“Institutions”) Characterized

Contexts … Structured social settings (“Institutions”) Characterized

by roles, relationships, power structures, canonical activities, strategies, norms (rules), enforcement mechanisms, and internal values (goals, ends, purposes) E.g. health-care, education, politics, religious observance

6 more about contexts…

more about contexts…

Evolve over time in cultures and societies, subject to historical, cultural, geographic contingencies May be nested, overlap, conflict May be more or less explicit, formalized, institutionalized (e.g. class clown vs. judge) May be more or less “complete”

7 Among the norms context-relative Informational Norms

Among the norms context-relative Informational Norms

In a context, the flow of information of a certain type (attributes) about a subject (acting in a particular capacity/role) from a sender (possibly the subject, acting in a particular capacity/role) to a recipient (acting in a particular capacity/role) is governed by a particular transmission principle. key parameters: contexts, attributes, actors, transmission principles

8 Transmission Principles** e.g

Transmission Principles** e.g

Consent (subject controls) Notice (subject is/is not aware of transmission) Compulsion (e.g. earnings to IRS) Confidentiality Fiduciary Sale Barter Reciprocity Entitlement, desert Need Secrecy? Etc…

9 Contextual Integrity in a nutshell …

Contextual Integrity in a nutshell …

Context-Relative Informational Norm expressed in linear temporal logic A. Barth, A. Datta, J. Mitchell, and H. Nissenbaum, (2006) “Privacy and Contextual Integrity: Framework and Applications,” Proceedings of the IEEE Symposium on Security and Privacy.

10 Contextual Integrity

Contextual Integrity

Contextual Integrity holds when context-relative informational norms are respected; it is violated when they are breached. ~ When people complain privacy is violated, look for violations of CI! ~ Surveillance is NOT always problematic ~ Privacy is NOT control over information about oneself ~ Privacy is NOT secrecy; it is appropriate flow ~ Many of our privacy laws reach for CI ~The U.S. sectoral approach is NOT a bad thing

11 Q: Is CI conservative

Q: Is CI conservative

A: Yes, in a sense.

{problems with the “reasonable expectations” test} Opportunity Costs “perhaps there is something better…” Tyranny of the Normal “entrenched practice wins the day …” {engineering away privacy}

12 I. Evaluating the merits of new practices against entrenched norms …

I. Evaluating the merits of new practices against entrenched norms …

Moral and political considerations Harms to information subjects (e.g. stigma, discrimination, identity theft) Impacts on justice, balance of power, fair distribution of goods Impacts on freedoms, autonomy, democracy, property Impacts on security, efficiency CI as a normative guide

13 II

II

Evaluating the merits of new practices against entrenched norms …

Explore impacts on ends-purposes-values of a context {The MEANING of impacts within contexts} Healthcare (hospital surveillance, psychotherapy) Workplaces Friendship (Tripp/Lewinsky) * Democratic elections vs. Congressional voting TMN and websearch privacy CASSIE in public libraries Mobility on the roads (VSCS) CI as a normative guide

14 Review

Review

When novel practices violate entrenched informational norms, Presumption favors entrenched norms {Why?} Novel practices may legitimately overrule entrenched norms if shown to fulfill evaluation requirements

15 Conclusion: lots more work to be done

Conclusion: lots more work to be done

Understand contexts and informational norms Expand understanding of transmission principles Explore the relation between information flows and ends-purposes-values Study privacy law through the lens of contextual integrity (e.g. GLBA, Video Privacy Protection Act, Drivers Privacy Protection Act, FERPA, HIPAA Privacy Rules) * * *

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