Lesson plan
GrIDsure
GrIDsure was a personal identification system which extends the standard ‘shared-secret’ authentication model to create a secure methodology whereby a dynamic ‘one-time’ password or PIN can be generated by a user. It was invented by Jonathan Craymer and Stephen Howes in November 2005. It has received positive media reception. GrIDsure went into liquidation in October 2011 after investor funding dried up. On 18 November 2011 Cryptocard announced it had acquired the intellectual property of GrIDsure, which includes eight patents that have been granted and a further 16 pending. Cryptocard was already a GrIDsure OEM partner and uses the product in their portfolio.
Article summary
GrIDsure was a personal identification system which extends the standard ‘shared-secret’ authentication model to create a secure methodology whereby a dynamic ‘one-time’ password or PIN can be generated by a user. It was invented by Jonathan Craymer and Stephen Howes in November 2005. It has received positive media reception. GrIDsure went into liquidation in October 2011 after investor funding dried up. On 18 November 2011 Cryptocard announced it had acquired the intellectual property of GrIDsure, which includes eight patents that have been granted and a further 16 pending. Cryptocard was already a GrIDsure OEM partner and uses the product in their portfolio.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.