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Reference.org
Data quality firewall
open-in-new
<p>A data quality firewall is the use of software to protect a computer system from the entry of erroneous, duplicated or poor quality data. <a href="/facts/Gartner/9hd9zakC">Gartner</a> estimated in 2017 that poor quality data cost organizations an average of $15 million a year. Older technology required the tight integration of <a href="/facts/Data_quality/Hr9APbfG">data quality</a> software, whereas this can now be accomplished by loosely coupling technology in a <a href="/facts/Service-oriented_architecture/g8krR0dk">service-oriented architecture</a>. </p>