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• [23C3] Tag 3 - December 29, 2006
• [23C3] Tag 2 - December 28, 2006
• [23C3] Tag 0+1 - December 27, 2006
• [Solutions] secure outside communication in insecure environments - December 21, 2006
• [23C3] Wiki eroeffnet - May 12, 2006