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<title>Defacements by OS, August, 1999 - April, 2001</title>
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<h1>
Defacements by Operating System<br />
OS Graphs, August, 1999 - April, 2001
</h1>
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<p>
<a href="#SPECIAL">NT5-IIS/5.0: Just the beginning?</a>
</p>
<p>
<a href="#OSTOT1">OS Totals by Month: Stacked</a>
</p>
<p>
<a href="#OSTOT2">OS Totals by Month: Side by Side</a>
</p>
<p>
<a href="#PCTCHG">Percentage Change by Month</a>
</p>
<p>
<a href="#Linux">Linux</a>
</p>
<p>
<a href="#NT">Windows NT</a>
</p>
<p>
<a href="#ALLOTHER">All Other OS's</a>
</p>
<p>
<a href="#ALLGRAPHS">Graphs Combined</a>
</p>
<p>
<a href="#Cumulative">Cumulative Totals</a>
</p>
<p>
<a href="#PIE">Overall OS Shares, Pie Chart</a>
</p>
<p>
<a href="#NOTES">Notes</a>
</p>
<hr noshade />
<p>
<a name="SPECIAL"></a>
August, 1999 through April, 2001<br />
29 Day Moving Average of Defacements per Day, NT, Linux, All Others:<br /><br />
<img src="graphs/mav_vuln.gif" alt="Plain Jane Moving Averages of NT, Linux, All Others">
</p>
<p>
Yellow: NT, White: Linux, Green: All Others
</p>
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<hr noshade />
<p>
<a name="OSTOT1"></a>
OS Totals by Month:<br /><br />
<img src="graphs/bar_ostotals_stacked.gif" alt="OS Totals By Month">
</p>
<p>
Yellow: NT, White: Linux, Green: All Others
</p>
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<hr noshade />
<p>
<a name="OSTOT2"></a>
OS Totals by Month:<br />
(click this image for OS proportions by month)<br />
<a href="graphs/bar_monthlyprop.gif">
<img src="graphs/bar_ostotals_sbs.gif" alt="OS Totals By Month">
</a>
</p>
<p>
Yellow: NT, White: Linux, Green: All Others
</p>
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<hr noshade />
<p>
<a name="PCTCHG"></a>
Percent Change by Month:<br /><br />
<img src="graphs/bar_ospctchg.gif" alt="Percent Change By Month">
</p>
<p>
Yellow: NT, White: Linux, Green: All Others
</p>
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<hr noshade />
<p>
<a name="Linux"></a>
29-day moving average, Linux:<br /><br />
<img src="graphs/pct_linux_29mav.gif" alt="Linux">
</p>
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<hr noshade />
<p>
<a name="NT"></a>
29-day moving average, NT:<br /><br />
<img src="graphs/pct_nt_29mav.gif" alt="NT">
</p>
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<hr noshade />
<p>
<a name="ALLOTHER"></a>
29-day moving average, All Others:<br /><br />
<img src="graphs/pct_allother_29mav.gif" alt="All Other OSs">
</p>
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<hr noshade />
<p>
<a name="ALLGRAPHS"></a>
29-day moving average, All:<br />
<img src="graphs/pct_combined_29mav.gif" alt="All Graphs Combined">
</p>
<p>
Yellow: NT, White: Linux, Green: All Others
</p>
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<hr noshade />
<p>
<a name="Cumulative"></a>
Daily Cumulative Totals, All:<br />
<img src="graphs/cum_os.gif" alt="Daily Cumulative Graph, All OS's">
</a>
</p>
<p>
Yellow: NT, White: Linux, Green: All Others
</p>
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<hr noshade />
<p>
<a name="PIE"></a>
<img src="graphs/pie_overall.gif" alt="Pie Chart">
</a>
</p>
<!-- ===== NOTES ===== -->
<p>
<hr noshade />
</p>
<p>
<a name="NOTES"><b>NOTES</b></a>
</p>
<p>
All OS results derived from NetCraft, nmap OS finger-printing, as
well as from querying the remote web-server itself, at the time the
mirror was taken. We are grateful for the NetCraft and nmap tools:
</p>
<p>
<a href="http://www.netcraft.com">NetCraft</a><br />
<a href="http://www.insecure.org/nmap/">nmap</a>
</p>
<p>
* "Linux" is represented by all of the Linux distributions.<br />
* "NT" is NT and Windows 2000 (NT5).<br />
* "All Others" are the aggregated totals of everything not Linux, NT,
or Windows 2000, and including all systems that we were not able to
determine an OS match. See our OS abbreviation section in our General
Information and Disclaimer page,
<a href="http://www.attrition.org/mirror/attrition/notes.html#abbrev">
abbreviations</a> for other OS identifications that we track.
If you're interested in a finer level break down, or don't find
the OS you're interested in here, we tabulate all of the OS's
found on the above mentioned abbreviation page on our
<a href="http://www.attrition.org/mirror/attrition/os.html">
OS</a> page.
</p>
<p>
For more information, contact:
<a href="mailto:munge@attrition.org">munge@attrition.org</a>
</p>
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&#169; 2000-2001 Copyright Matt Dickerson for Attrition.org<br />
Excerpts from this page may be reproduced if
<a href="http://www.attrition.org">Attrition</a> and the URL<br />
http://www.attrition.org/mirror/attrition/os-graphs.html are attributed.
</p>
<p>
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Last modified: Sat May 5 19:59:29 EDT 2001
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