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Proprietary OOXML document format makes you more vulnerable to attacks

Submitted by Rianne Schestowitz on Wednesday 6th of May 2015 05:03:42 PM Filed under
LibO
Security
OOo

Using the proprietary OOXML document format, i.e. docx, pptx and xlsx, makes you more vulnerable to phishing and other attacks. Earlier this month, the Japanese anti-virus company Trend Micro published a blog post describing how the attack group "Operation Pawn Storm" uses spear-phishing mail messages with malicious Office documents to target the military, governments, defense industries and the media.

Four years ago, Thomas Caspers and Oliver Zendel from the German Federal Office for Information Security (BSI) already presented research results stating that most spear-phishing attacks targeting specific persons or a small group of victims are using "launch actions" in Office and PDF documents to have their malicious code executed.

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