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<p>is little empirical evidence of economic harm to firms from breaches except the direct cost, although there is some evidence suggesting a temporary, short-term decline in <a href="page.php?w=share_price">stock price</a>.</p>

<p><big>Definition</big></p>
<p>Like almost all terms in cyber security, the definition of "data breach" is context-dependent. </p>

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* According to the <a href="page.php?w=National_Institute_of_Standards_and_Technology">National Institute of Standards and Technology</a> (NIST), a data breach is "An occurrence that actually or</p><p>
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