cwnet - 10:22 pm on Jun 20, 2010 (gmt 0)
@buckworks 'specific laws'
The German law that applies is called Telekommunikationsgesetz - it basically says that sniffing of communication (including wi-fi, secured or not) may be punished with jail time of up to 2 years or a monetary fine. If you search, you will find similar laws in most civilized countries.
The law in German (German Department of Justice)