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{{short description|Data extraction technique}}
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{{Information security}}
'''Data scraping''' is a technique where a [[computer program]] extracts [[data]] from [[Human-readable medium|human-readable]] output coming from another program.
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==={{Visible anchor|Screen scraping}}===
[[File:Screen-Scraping-OCRget.jpg|thumb|380px|A screen fragment and a screen-scraping interface (blue box with red arrow) to customize data capture process.]]
Although the use of physical "[[dumb terminal]]" IBM 3270s is slowly diminishing, as more and more mainframe applications acquire [[World Wide Web|Web]] interfaces, some Web applications merely continue to use the technique of '''screen scraping'''<!--boldface per WP:R#PLA--> to capture old screens and transfer the data to modern front-ends.<ref>"Back in the 1990s.. 2002 ... 2016 ... still, according to [[Chase Bank]], a major issue. {{cite
|url=https://www.nytimes.com/2016/05/07/your-money/jamie-dimon-wants-to-protect-you-from-innovative-start-ups.html
|title=Jamie Dimon Wants to Protect You From Innovative Start-Ups
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