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Security Statistics and Reports
Randomness in the AV Labs testing.
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<blockquote data-quote="Andy Ful" data-source="post: 1123463" data-attributes="member: 32260"><p>The AV-Test example.</p><p></p><p>AV-Test Consumer Real-World tests 2023-2024.</p><p>Avast + Bitdefender + F-Secure + Kaspersky missed 8 malware samples from a total of 3354 samples.</p><p></p><p>The average infection rate of the top AVs:</p><p> r = 1/4 * 8/3554 ~ 1/1800</p><p></p><p>[ATTACH=full]288199[/ATTACH]</p><p></p><p>Threshold criteria:</p><p>p(t) = 0.05 for t = 1/1800</p><p></p><p>Threshold table</p><p> total ( n ) ........missed ( t )</p><p>100 .....................1</p><p>700 .....................2</p><p>1600 ...................3</p><p></p><p>The Real-World tests included 200-400 malware samples, so any result with more than 1 missed sample should cause the score to be 5.5 or less, exactly as in the AV-Test awards.</p><p>These results do not prove that the method used by AV-Test is the same as described in this thread.</p><p></p><p></p><p>Edit.</p><p>Corrected a typo error in the formula for p(x).</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 1123463, member: 32260"] The AV-Test example. AV-Test Consumer Real-World tests 2023-2024. Avast + Bitdefender + F-Secure + Kaspersky missed 8 malware samples from a total of 3354 samples. The average infection rate of the top AVs: r = 1/4 * 8/3554 ~ 1/1800 [ATTACH type="full" width="262px" alt="1745315464614.png"]288199[/ATTACH] Threshold criteria: p(t) = 0.05 for t = 1/1800 Threshold table total ( n ) ........missed ( t ) 100 .....................1 700 .....................2 1600 ...................3 The Real-World tests included 200-400 malware samples, so any result with more than 1 missed sample should cause the score to be 5.5 or less, exactly as in the AV-Test awards. These results do not prove that the method used by AV-Test is the same as described in this thread. Edit. Corrected a typo error in the formula for p(x). [/QUOTE]
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