Privacy in Business Processes by Identity Management

PrivacyPrivacy in Business in Business ProcessesProcesses bybyIdentityIdentity ManagementManagement

IST 2006, Helsinki, November 23IST 2006, Helsinki, November 23rdrd, 2006, 2006

Sven WohlgemuthProf. Dr. Günter Müller

Albert-Ludwig University of Freiburg, GermanyInstitute of Computer Science and Social Studies

Department of Telematicshttp://www.telematik.uni-freiburg.de

http://www.telematik.uni-freiburg.de 2Sven Wohlgemuth <[email protected]>

IIG TelematicsProf. Dr. Günter Müller

Computer science(7 assistants)

Privacy &security E-Commerce Economics

(7 assistants)

• iManager: Security and usability by identity management (CeBIT 2003, doIT Software-Award2003)

• Int. Conference on Emerging Trends in Information and Communication Security (ETRICS)2006

• Editor of CACM special issue “Privacy and Security in Highly Dynamic Systems”, Sept. 2006

• Electronic Commerce Enquête 2005: Use of IT in German enterprises

• Coordination of German Priority Programme “Security in the Information and CommunicationTechnology”

• Coordination of FIDIS NoE work package “Privacy in Business Processes”


43,6%37,3% 34,4% 34,2%

22,6% 20,9%

44,3%46,8% 49,8% 47,7%

56,7% 58,4%

12,0% 16,0% 15,8% 18,1% 20,7% 20,7%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

no

medium

high

Costly integrationin processes

Expected neg.reaction since

privacyviolation

Doubts wrt.data

protectionlaws

Low customeracceptance

Other legaldoubts

Pot. lossof reputation

http://www.telematik.uni-freiburg.de/ece.php

SurveySurvey forfor Germany (ECE IV)Germany (ECE IV)Most Most ImportantImportant BarriersBarriers forfor PersonalizedPersonalized ServicesServices


I want a car

Car

Service 1

Service 2

Challenge: User-controlled disclosure of personal data

I need money

Money

Profile 1

Profile 2

Jendricke, U., Gerd tom Markotten, D.: Usability meets Security - The Identity-Manager as your Personal Security Assistant for the Internet, ACSAC, 2000

Problem 1: Linkability of Problem 1: Linkability of ProfilesProfiles

Personalised services:Conscious data collection

Creating profiles

Tracing an user byidentifying data

U=

profile

Drivinglicence

Stella FreiburgerClasses: ABEFriedrichstr. 50D-79098 FreiburgGermanyIP: 132.15.16.3

Drivinglicence


Drivinglicence


Drivinglicence


Identity management (e.g. Freiburg iManager)


Wohlgemuth, S., Müller, G.: Privacy with Delegation of Rights by Identity Management, LNCS 3995, 2006

Need medicalhelp

TherapyService 1

Blood analysis of P

ResultService 2 …

Person

Person

Profile 2Profile1+2+…

Big Brother

Loss of control• All-or-nothing delegation

• DREISAM: Protocol for unlinkable delegation of rights on personal data

Problem 2: Delegation of Problem 2: Delegation of ProfilesProfilesChallenge: User-controlled disclosure and use of personal data

Drivinglicence


Drivinglicence


Drivinglicence


Drivinglicence



Service 1

Profile 1

RFID data

Sensordata

Policydata

Video data

AmI changes collection:Conscious communication

Unawarehuman-machinecommunication

User has no control on disclosureof personal data

…

Sackmann, S., Strüker, J., Accorsi, R.: Personalization in Privacy-Aware Highly Dynamic Systems, CACM 49(9), 2006

Challenge: Avoidance of loss of control on personal data

Problem 3: Unaware Collection of ProfilesProblem 3: Unaware Collection of Profiles


OurOur Approach: Approach: PrivacyPrivacy EvidenceEvidence

Accorsi, R.: On the Relationship of Privacy and Secure Remote Logging in Dynamic Systems, IFIP/SEC 2006


Contact me!

Sven WohlgemuthE-Mail [email protected] http://www.telematik.uni-freiburg.de

LookingLooking forfor PartnersPartnersChallenge: Avoidance of loss of control on personal data

Privacy evidences

Flexible privacy policy

Usable secureinterfaces

Delegation

Secure logging & audit

Watch this space!

Privacy in Business Processes by Identity Management

Internet

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