Fears of foreign intervention in Western politics have heightened since the U.S. presidential elections in November.
Counter-intelligence agency says there have been numerous incidents of bigotry and support of Hitler.
The comments come as the Alternative for Germany (AfD) party is embroiled in a scandal over its attitude toward Adolf Hitler's Third Reich.
Germany's far-right Alternative for Germany party has defended itself against charges of anti-Semitism.
Germany inaugurated its new Cyber and Information Space Command, a military division tasked with defending against and waging electronic warfare.
The Turkish leader has repeatedly lashed out at European countries while campaigning for votes in a referendum to increase presidential powers.
The U.K. wants an outcome other EU leaders haven't sought and have little incentive to make easy.
Chris Smalling and Phil Jones were injured while on international duty.
Officials say 14 percent increase helped by "increased security challenges" in Europe.
Can Britain's negotiations to leave the EU keep the spirit of free trade alive?
The German Left Party's Sahra Wagenknecht accused Turkish President Recep Tayyip Erdogan of using being the "godfather of terrorism."
Tensions continue to rise between Turkey and Germany as Erdogan campaigns for his constitutional referendum.
It's impossible to predict what U.S. policy toward Europe will be and who will be leading it.
German authorities have braced for what they believe to be a campaign of Russian-sponsored hacking and fake news against Chancellor Angela Merkel.
Erdogan said in a speech in Istanbul on Sunday: "Merkel, now you're applying Nazi methods."
A day after meeting Angela Merkel, Trump tweets the 'United States must be paid more for the powerful, and very expensive, defense it provides to Germany.'
Germany and Turkey have been locked in a deepening row over the Turkish government's attempts to hold rallies in European countries.
Treasury Secretary Steve Mnuchin also succeeds in getting a promise to combat climate change dropped.
Demonstrators fear the April referendum will give the Turkish president license to go after Kurds if voters approve it.