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Exploiting Zillow "Zestimate" for Reckless Profit - Robert "RJ" Burney (BSides Tampa 2018) (Hacking Illustrated Series InfoSec Tutorial Videos)

Exploiting Zillow "Zestimate" for Reckless Profit
Robert "RJ" Burney
BSides Tampa 2018

Abstract: This talk looks at Zillow,s Zestimate, which provides homeowners, sellers, and realestate agents residential price estimates. I have found a way to exploit this tool. This provides a way for an attacker to inflate/deflate the Zestimate and cause home values to rise or decline depending on the attacker objective. With a little work this provides the attacker the ability to manipulate the markets in large areas, regions or entire counties given enough work. The implication are extensive given how more and more we rely on alorightms to decide what has value. In this case the popularity of this tool is effecting home appraisals directly and being used by buyers and Realestate agents to make real decisions. I will show everyone how they can do this and directly impact the markets in their area.

Bio: Computer security research, security product design and security educator.

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