Database & Internet Privacy


The Database & Internet PRivacy - DIPr (pronounced as Dipper or Dipper) Lab at Portland State University studies privacy challenges within data management and Internet technologies.

Lab Projects

PaPrica-PS: Fine-Grained, Dynamic Access Control Policy Enforcement for Pub/Sub Systems
Adding fine-grained dynamic access controls in large-scale, privacy- and information-sensitive environments such as MQTT-based IIoT networks.
PaPrica-PS: Fine-Grained, Dynamic Access Control Policy Enforcement for Pub/Sub Systems
My Privacy Awareness Learning Games (MyPAL Games)
Educating children about internet privacy
Code
My Privacy Awareness Learning Games (MyPAL Games)
Fine Grained Access Control in Vector Databases
Implementation of Fine Grained Access control in Vector Databases
Code
Fine Grained Access Control in Vector Databases
Accord
Constraint-driven Mediation of Multi-user Conflicts in Cloud Services
Code
Accord
BL(u)E CRAB
A User-Centric Framework for Identifying Suspicious Bluetooth Trackers
Code
BL(u)E CRAB
Sieve
Scalable Enforcement of Fine Grained Access Control Policies in Relational Database Management Systems
PDF Code
Sieve
Tattletale
Detecting and preventing inferences in the presence of data depencies
Code
Tattletale

Latest News

Last updated on Jul 8, 2026 2 min read
Thesis Defense - Jacob Olinger
Thesis Defense - Jacob Olinger

Jacob Olinger Defends M.S. Thesis

Last updated on Jun 16, 2026 2 min read
DIPr Lab to Appear at WiSec 2026
DIPr Lab to Appear at WiSec 2026

Orobosa Ekhator’s paper and artifact are accepted to WiSec 2026

Last updated on Jun 18, 2026 1 min read
DIPr Lab at Commencement 2026
DIPr Lab at Commencement 2026

DIPr Lab Students Receive Their Degrees

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