Trust

1
Trust

• Patrik Floréen
• 16.3.2007

Research Colloquium 2007 Department of Computer
Science
2
Agenda

• Patrik Floréen Trust Introduction
• Sini Ruohomaa Trust Challenges for B2B Networks
• Juho Heikkilä Muppet View on Reputation
• Andrei Gurtov Trustworthy Internet
• Kristiina Karvonen Usability work in Trustinet
• Topi Musto Trust4All

3
Security Privacy

• Information security the concepts, techniques,
  technical measures, and administrative measures
  used to protect information assets from
  deliberate or inadvertent unauthorized
  acquisition, damage, disclosure, manipulation,
  modification, loss, or use McDaniel, 1994
• Information privacy the claim of individuals,
  groups and institutions to determine for
  themselves when, how, and to what extent
  information about them is communicated to others
  Westin, 1967
• In law, privacy refers to the protection of
  everyones private life, honour and the sanctity
  of the home data protection

4
Trust definitions Collected by M. Przybilski

• A trusts B if it commits to an action based on
  the belief that Bs future actions will lead to a
  good outcome Golbeck, 2005
• Trust is the firm belief in the competence of an
  entity to act dependably, securely and reliably
  within a specific context Grandison and Sloman,
  2000
• Trust is the quantified belief by a trustor with
  respect to the competence, honesty, security and
  dependability of a trustee within a specified
  context Grandison and Sloman, 2003
• Trust (or symmetrically distrust) is a
  particular level of the subjective probability
  with which an entity will perform a particular
  action, both before we can monitor such action
  (or independently the capacity of ever to be able
  to monitor it) and in a context in which it
  affects our own action Abduhl-Rahman and
  Halles, 1997 Josang, Ismail and Boyd, 2005