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Basiswissen Sichere Software by Sachar Paulus

By Sachar Paulus

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In diesem zweiten Gespräch erfährt er dann zwar allerlei Dinge darüber, wie trendy die neue App sein soll, und dass browserbasierte Java-Anwendungen ja völlig out seien und Flash ginge ja auch nicht wegen iPad und vieles mehr, aber selbst als er den Kunden mehrfach darum bat, zu beschreiben, welche Erwartungen er in Bezug auf Sicherheit habe, kam nicht mehr als »na, sicher halt, gegen Hacker und so – Verschlüsselung, Passwörter, Sie wissen schon«. Nun, Ben konnte sich darunter nicht wirklich viel vorstellen, seine mobilen Apps waren Spiele-Apps.

Da sich aber der Hersteller sowieso Gedanken über die Sicherheit machen muss, ist es eine geringe zusätzliche Investition, sich diesbezüglich mit dem Kunden (bzw. bei Standardsoftware mit einer Auswahl von Kunden) abzustimmen. Da dem Kunden, wie im vorigen Abschnitt beschrieben, in den meisten Fällen die Kompetenz fehlt, diesen Prozess selbst inhaltlich zu steuern, liegt es am Hersteller, dies zu tun. Mit anderen Worten: Indem der Hersteller dem Kunden hilft, seine Sicherheitsanforderungen zu formulieren, hilft er sich selbst, da er das Risiko für spätere Sicherheitsprobleme und Imageschäden reduziert.

3 Wie geht ein Hacker vor? 37 ■ Insider-Angriffe: Insider-Angriffe sind dadurch gekennzeichnet, dass sie von einem sogenannten »Insider« durchgeführt werden. In diesem Kontext bezeichnet Insider nicht eine Person, die auf finanzielle Informationen kurz vor der Veröffentlichung der Quartalszahlen zugreifen kann (so wie dies bei finanziellen Compliance-Vorgaben verwendet wird), sondern eine Person, die berechtigt ist, auf die anzugreifenden Ressourcen zuzugreifen. In vielen Fällen stellen Insider-Angriffe sogenannte Mitnahmegelegenheiten dar, bei denen die »Hacker« eigentlich gar keine Hacker im engeren Sinne sind, sondern die ihnen zugewiesenen Berechtigungen nutzen, um Informationen abzuziehen, zu verkaufen oder zu manipulieren.

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