"U.S. diplomatic and consular facilities in Germany are increasing their security posture. We are taking these steps in response to a heightened threat situation. The U.S. Embassy encourages Americans in Germany to increase their vigilance and take appropriate steps to bolster their own personal security.
The Department of State's April 10, 2007, "Worldwide Caution" Public Announcement, which can be found on the Internet at http://www.travel.state.gov/travel/cis_pa_tw/pa/pa_1161.html, provides additional information on potential threats to U.S. citizens overseas, along with advice on how to reduce your vulnerability to such threats. Additional general information on residing and traveling abroad, including the latest Consular Information Sheet for Germany, may be found on-line at http://travel.state.gov.
Contact information for the U.S. Embassy in Berlin, and Consulates in Frankfurt, Hamburg, Düsseldorf, Munich and Leipzig may be found on the Internet at: http://germany.usembassy.gov/germany/citizen_services.html."