removed backup files
This commit is contained in:
Marco Ziesing
parent
29b1b3e0f4
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<!DOCTYPE html>
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<!--
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Google HTML5 slide template
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||||||
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||||||
Authors: Luke Mahé (code)
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||||||
Marcin Wichary (code and design)
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Dominic Mazzoni (browser compatibility)
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Charles Chen (ChromeVox support)
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URL: http://code.google.com/p/html5slides/
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-->
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<html>
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<head>
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<title>E-Mailverschlüsselung mit GnuPG</title>
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<meta charset='utf-8'>
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<script src='../template/slides.js'></script>
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</head>
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<body style='display: none'>
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<link rel="stylesheet" type="text/css" href="../template/mediacluster.css">
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<section class='slides layout-regular template-default template-mediacluster'>
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<article class='biglogo'>
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</article>
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<article>
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<h1>
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E-Mailverschlüsselung
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<br>
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mit GNU Privacy Guard
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</h1>
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<p>
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Marco Ziesing
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<br>
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27. Februar 2012
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</p>
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</article>
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<article class='smaller'>
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<q>
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Die Sicherheit von elektronischer Post, die über das Internet verschickt wurde, kann mit genau drei Worten beschrieben werden: Es gibt keine.
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</q>
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<div class='author'>
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Matt Bishop
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</div>
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</article>
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<article>
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<h3>
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Vergleiche mit der altmodischen Post
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</h3>
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<ul class="build">
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<li>
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Briefe werden durch Umschläge geschützt
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</li>
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<li>
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Kaum jemand verschickt geheime oder private<br>Texte per Postkarte
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</li>
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<li>
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Genau dies geschieht jedoch täglich und millionenfach mit unverschlüsselten E-Mails
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</li>
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<li>
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Das eröffnet einfache Möglichkeiten der Wirtschaftspionage
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</li>
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<li>
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... die kaum nachweisbar ist.
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</li>
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</ul>
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<div class="build">
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<p><b>Daher sollten E-Mails mit Inhalten, die nicht für die Öffentlichkeit bestimmt sind, verschlüsselt werden.</b></p>
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</div>
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</article>
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<article>
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<h3>
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Viele Wege führen durch das Netz
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</h3>
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<p>
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<img class='centered' src='images/netzschema.png'>
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</p>
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<p>
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Hinter jedem Knoten könnte ein neugieriger Admin sitzen.
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</p>
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<div class='source'>
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Quelle: cryptocd.org
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</div>
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</article>
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<article>
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<h3>
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Was ist GNU Privacy Guard (GnuPG, GPG)?
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</h3>
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<ul>
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<li>
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freies Kryptographiesystem, zum Ver- und<br>Entschlüsseln von Daten
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</li>
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<li>
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Implementierung des <a href="http://de.wikipedia.org/wiki/OpenPGP">OpenPGP-Standards</a><br>nach <a href="http://tools.ietf.org/html/rfc4880">RFC 4880</a>
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</li>
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<li>
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dient zum Erzeugen und Prüfen elektronischer Signaturen
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</li>
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<li>
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Public-Key-Verfahren (Asymmetrisches Kryptosystem)
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</li>
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<li>
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Web of Trust, gegenseitige Bestätigung (Signaturen)<br>der Schlüssel
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</li>
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</ul>
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</article>
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<article>
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<h3>
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Public-Key-Kryptosystem
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</h3>
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<ul>
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<li>
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beteiligte Parteien benötigen keinen gemeinsamen Schlüssel wie beim symmetrischen Kryptosystem
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</li>
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<li>
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Benutzer haben Schlüsselpaare, die aus einem geheimen Teil (privater Schlüssel) und einem nicht geheimen Teil (öffentlicher Schlüssel) bestehen
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</li>
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</ul>
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<p>
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<img style='height: 260px' src='images/Orange_blue_public_private_keygeneration_de.svg'>
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<img style='height: 180px; margin: 0 0 40px 10px' src='images/Orange_blue_digital_signature_de.svg'>
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<img style='height: 180px; margin: 0 0 40px 10px' src='images/Orange_blue_public_key_cryptography_de.svg'>
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</p>
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<div class='source'>
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Quelle: Wikimedia / Bananenfalter
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</div>
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</article>
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<article class="smaller">
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<h3>
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Web of Trust
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</h3>
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<p>
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<b>Funktionsprinzip (stark vereinfacht)</b><br>
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Alice signiert den Schlüssel von Bob<br>
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Bob signiert den Schlüssel von Carl<br>
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somit vertraut Alice dem Schlüssel von Carl.
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</p>
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<p>
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<img src='images/Web_of_Trust.svg'>
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</p>
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<div class='source'>
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Quelle: Wikimedia / Ogmios
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</div>
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</article>
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</section>
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<!-- Piwik -->
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<script type="text/javascript">
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var pkBaseURL = (("https:" == document.location.protocol) ? "https://stats.mediacluster.de/" : "http://stats.mediacluster.de/");
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document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
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</script><script type="text/javascript">
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try {
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var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", 67);
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piwikTracker.setDocumentTitle(document.title);
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piwikTracker.trackPageView();
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piwikTracker.enableLinkTracking();
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} catch( err ) {}
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</script><noscript><p><img src="http://stats.mediacluster.de/piwik.php?idsite=67" style="border:0" alt="" /></p></noscript>
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<!-- End Piwik Tracking Code -->
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</body>
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</html>
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181
prey/index.html~
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prey/index.html~
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@ -1,181 +0,0 @@
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<!DOCTYPE html>
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<!--
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Google HTML5 slide template
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Authors: Luke Mahé (code)
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Marcin Wichary (code and design)
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Dominic Mazzoni (browser compatibility)
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Charles Chen (ChromeVox support)
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URL: http://code.google.com/p/html5slides/
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-->
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<html>
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<head>
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<title>Mobilegräte verfolgen mit Prey</title>
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<meta charset='utf-8'>
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<script src='../template/slides.js'></script>
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</head>
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<body style='display: none'>
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<link rel="stylesheet" type="text/css" href="../template/mediacluster.css">
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<section class='slides layout-regular template-default template-mediacluster'>
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<article class='biglogo'>
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</article>
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<article>
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<h1>
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Mobilgeräte verfolgen
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<br>
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mit Prey (Entwurf)
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</h1>
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<p>
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Marco Ziesing
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<br>
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1. März 2012
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</p>
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</article>
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<article>
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<h3>
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Zahlen und Fakten
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</h3>
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<ul>
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<li>Statistiken zufolge "verschwindet" jede Minute ein Notebook.</li>
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<li>alleine an US-Flughäfen wöchentlich ca. 12 000 Notebooks</li>
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<li>Handy-Diebstahl macht 85% aller Diebstahl-Meldungen auf Protexxo.de aus</li>
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<li>2 / 3 davon sind Smartphones</li>
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</ul>
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<ul>
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<li>IMEI und MAC-Adresse sind nicht hilfreich da veränderbar</li>
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</ul>
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</article>
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<article>
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<h3>
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Mögliche Schäden durch verschwundene Geräte
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</h3>
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<ul>
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<li>je nach Art des Verschwindens zahlt die Versicherung<br>... oder auch nicht</li>
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<li>Firmeninterna und private Daten fallen in fremde Hände</li>
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<li>gespeicherte Zugangsdaten können ausgelesen werden</li>
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<li>Apps mit hinterlegten Zugangsdaten können missbraucht werden</li>
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</ul>
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</article>
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<article>
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<h3>
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Was ist Prey?
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</h3>
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<ul>
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<li>Open Source Computer Tracking Software</li>
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<li>verfügbar für Android, Linux, MacOS X und Windows</li>
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<li>iOS-Version ist derzeit noch im "Review"</li>
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<li>einzige „Eine für Alle“-Lösung am Markt</li>
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<li>bis zu 3 Geräte pro Nutzer kostenlos</li>
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</ul>
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</article>
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<article>
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<h3>
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Was kann Prey?
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</h3>
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<ul>
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<li>Aktivierung per Push, SMS oder Webseite</li>
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<li>Geolokalisierung über GSP oder WLAN-Triangulation</li>
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<li>Sperren des Geräts bis zur Eingabe des Passworts</li>
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<li>E-Mails verstecken, Cookies und gespeicherte<br>Passwörter löschen</li>
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<li>Lautstarker Alarm</li>
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<li>Nachricht auf dem Display anzeigen</li>
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<li>SIM-Lock, automatische Aktivierung bei Tausch</li>
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<li>Berichte senden (IP-Adressen, Position, Kamerabild, Screenshot, Protokolle der geänderten Dateien und laufenden Prozesse)</li>
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</ul>
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</article>
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<article>
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<h3>
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Beispielbericht: Position
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</h3>
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<p>
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<img class='centered' src='images/location.png'>
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</p>
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</article>
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<article>
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<h3>
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Beispielbericht: Kamerabild
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</h3>
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<p>
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<img class='centered' src='images/picture.png'>
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</p>
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</article>
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<article>
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<h3>
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Beispielbericht: Screenshot
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</h3>
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<p>
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<img class='centered' src='images/screenshot.png'>
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</p>
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<div class="build" style="margin: 30px 0 0 0;">
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<p>
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Sehr geschickt, wenn die Person z.B. auf Facebook ist. ;-)
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</p>
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</div>
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</article>
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<article>
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<h3>
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Beispielbericht: Screenshot
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</h3>
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<p>
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<img class='centered' style='height: 550px;' src='images/logs.png'>
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</p>
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</article>
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<article>
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<h3>
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Präventionstipps
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</h3>
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<ul style="margin: 20px 0 0 0.75em">
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<li>Laptop & Smartphone möglichst nicht aus den Augen lassen</li>
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<li>Keine auffällige, als solche erkennbare, Laptop-Tasche</li>
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<li>empfindliche Daten nicht oder nur verschlüsselt speichern</li>
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<li>Seriennummern notieren, um sie nach einem Diebstahl der Polizei mitteilen zu können</li>
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</ul>
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<h3 style='margin: 30px 0 0 0;'>
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Links
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</h3>
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<ul style="margin: 20px 0 0 0.75em">
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<li><a href="http://preyproject.com/">Projektseite</a></li>
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<li><a href="http://preyproject.com/blog/cat/recoveries">Erfolgsberichte</a></li>
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</ul>
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<ul style="margin: 20px 0 0 0.75em">
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<li><a style="font-size: 70%;" href="http://www.youtube.com/watch?v=U4oB28ksiIo">Pwned by the owner:<br>What happens when you steal a hackers computer</a></li>
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</ul>
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</article>
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</section>
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<!-- Piwik -->
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<script type="text/javascript">
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var pkBaseURL = (("https:" == document.location.protocol) ? "https://stats.mediacluster.de/" : "http://stats.mediacluster.de/");
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document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
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</script><script type="text/javascript">
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try {
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var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", 67);
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||||||
piwikTracker.setDocumentTitle(document.title);
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piwikTracker.trackPageView();
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piwikTracker.enableLinkTracking();
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} catch( err ) {}
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||||||
</script><noscript><p><img src="http://stats.mediacluster.de/piwik.php?idsite=67" style="border:0" alt="" /></p></noscript>
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||||||
<!-- End Piwik Tracking Code -->
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||||||
</body>
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||||||
</html>
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||||||
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