Computer Security and Society - Computer Security Society It is poor civic hygiene to install technologies that could someday facilitate a police state

Computer Security and Society - Computer Security Society...

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It is poor civic hygiene to install technologies that could someday facilitate a police state. — Bruce Schneier, Secrets and Lies Computer Security & Society
Intellectual property What is it? How does it relate to computer security? Digital rights management How can it be done? Is this a good idea? What are the social implications of using DRM? Security & privacy What is privacy in the computer age? How can computer security help & hurt? Specific topics Anonymity, pseudonymity & identity theft Computer voting (and other critical functions) Data mining & aggregation Monitoring Cyberwarfare Computer security & society 2
Intellectual property is information that belongs to someone Book Movie Program Secret formula May be protected by Copyright Patent Trade secret Computer security can help with some of these Not much help with patents…. Intellectual property 3
Designed to protect the expression of ideas Limited to a particular specific expression May be more than one copyright for a given expression Composer: the score Lyricist: the lyrics to the song Artist: a particular performance of the song Limited in time Expire 70 years after author’s death Expire after 95 years (if owned by corporation) These limits can change, and have been getting longer recently Public domain Public “owns” the copyright Common for government documents Older works pass into the public domain Collections can be copyrighted even if the individual components aren’t subject to copyright Copyrights 4
Copyrighted item is subject to fair use May be excerpted for teaching, criticism, etc. Parts of this sentence came from a book Definition of fair use depends on many factors First sale Author controls the first sale of a copyrighted work: receives benefits from its sale Owner controls future sales: owner may resell it to anyone without contacting the copyright holder Owner may only sell a copy she currently owns Fair use 5
Cover an implementation of an idea Patent has details on how to implement the object Patent should have enough information to allow someone to actually build the object! Patents are public Searchable at patents.google.com and elsewhere Download full text in PDF Patent protection Nobody is allowed to make an object covered by the patent without licensing it from the patent owner Deciding what’s covered is pretty difficult… Patent lasts for about 18 years Patents 6
Patent must be novel Only one patent per idea: if multiple independent inventors, still only one patent (one inventor loses) Patent must not be obvious Patent can be lost Patent was obvious and shouldn’t have been granted Someone else invented it first Patents best for big companies, not individuals Used as “trading cards” between companies: cross-licensing Used to keep new competitors out of the market Trolls… More on patents 7

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