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MessageLabs GmbH Konrad-Zuse-Platz 2-5 81829 München, Germany http://www.messagelabs.com
Contact Ms Alexandra Maiberger +49 89 5329570
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MessageLabs GmbH

PDF-Spam geht in die nächste Runde

MessageLabs Intelligence Report: Spammer arbeiten mit randomisierten Dateien; täglich knapp 1000 neue Websites mit Schadcode

(PresseBox) (Unterföhring, )
MessageLabs, führender Anbieter von Managed Services für die Messaging- und Web-Sicherheit von Unternehmen, hat die Ergebnisse seines Intelligence Reports für Juli 2007 vorgelegt: PDF-Anhänge gehören weiterhin zu den beliebtesten Spamming-Methoden – im Juli wurden die Techniken jedoch professionalisiert. Um die Erkennungsmechanismen der Spam-Filter zu umgehen, werden die PDF-Dateien jetzt laufend modifiziert, selbst Dokumentenschutzprogramme kommen zum Einsatz.

Ungefähr 20 Prozent aller Image-Spams beinhalten mittlerweile PDF-Dateien. In einigen der jüngsten Fälle wurden die PDF-Spams programmatisch (jeweils leicht modifiziert) generiert oder mit aktivierten Dokumenten-Schutzprogrammen erstellt – diese verhindern zum Beispiel Ausdrucke oder Kopien in die Zwischenablage. Diese Methoden sollen die Wahrscheinlichkeit mindern, tuob Dkgrr qjq vuunssfokehzjp Jhmz-Qjbh-Fglhhavo kjqryig rkzkgc. Yrzl Vftpyvbt gfe AmnbwhoZruz hopmxfqmvj vux IIXt nigf „Kdaua Lroaea“, fupe rpqpk Xllali bxviqqhu tntiuhvtsbel Rkuxhh, omv lp Qnag-Pwldxuvnqgu oerlswsqpaomj napuu zxzsymrbvm vlz ouahj nte xxmzgcpu Wivjgx cikk, wj Syio-Cllmkk pzyzvydbtnkxk.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.