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Stephen Langella1, Shannon Hastings, Scott Oster

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A new security infrastructure, Grid Authentication and Authorization with Reliably Distributed Services (GAARDS), enhances data security and resource sharing in biomedical research Grids. GAARDS manages user identities, access controls, and trust levels for distributed environments.

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Area of Science:

  • Biomedical Informatics
  • Grid Computing Security
  • Data Security and Privacy

Background:

  • Biomedical research increasingly relies on distributed data and analytical resources.
  • Securely sharing sensitive data across institutions and managing access control in Grid environments presents significant challenges.
  • Existing security infrastructures may not adequately address the dynamic and decentralized nature of biomedical research Grids.

Purpose of the Study:

  • To develop a robust security infrastructure for a biomedical research Grid environment.
  • To enable controlled and secure access to data and analytical resources.
  • To facilitate seamless resource sharing among collaborators while ensuring data integrity and privacy.

Main Methods:

  • Development of Grid Authentication and Authorization with Reliably Distributed Services (GAARDS) as a core component of the cancer Biomedical Informatics Grid (caBIG).
  • Implementation of GAARDS as a suite of Grid services, including Dorian for identity management, Grid Trust Service for trust fabric provisioning, and Grid Grouper for access control.
  • Design supporting efficient identity provisioning, federation, group-based access control (community and local groups), and trust fabric management for policy enforcement based on assurance levels.

Main Results:

  • The GAARDS infrastructure is available as a standalone system and integrated within the caGrid infrastructure.
  • GAARDS provides a comprehensive solution for managing security in distributed Grid environments.
  • Further information is available at http://www.cagrid.org.

Conclusions:

  • GAARDS effectively addresses security challenges in distributed biomedical research environments.
  • The system enables secure cross-institutional data access and dynamic, decentralized management of user credentials.
  • GAARDS facilitates secure resource sharing by enforcing access policies based on established trust and group affiliations.