Transparent Proof-of-Work Mechanism for Protecting Web Applications from Attack

Case ID:
FENW-01
Web Published:
5/26/2009
Description:
PSU researchers have developed a transparent, backwards compatible proof-of-work system -- a defense mechanism that allows server owners to give client-specific challenges to those requesting access to network resources.  All clients are provided tasks to perform prior to access being granted, with easier & harder tasks available depending on the maliciousness of the client and the demand load on the server.
Patent Information:
Category(s):
Information Technology
For Information, Contact:
Joseph Janda
Director
Portland State University
janda@pdx.edu
Inventors:
Wu-Chang Feng
Ed Kaiser
Keywords:
Computer Science
Information Technology
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