Spam & Phishing

Stock spam made of multiple images

Recently some of my colleagues received spam mails which were created through a single image. Or, so it seemed … At a closer look, the image was actually created from multiple images. See the link below: http://www.mustaca.de/security/multiimage.eml This should be an anti OCR technique ?! Maybe …

General

Skype exposed

Here is a very interesting analysis of the well known program Skype. http://www.secdev.org/conf/skype_BHEU06.pdf From now on I will think twice before using Skype .. 🙁