A massive ransomware attack is causing havoc at airports, banks and many other institutions across Europe. It remains unclear who is behind the attack, but Moscow-based security firm Group-IB told Reuters it appears to be a coordinated effort simultaneously targeting victims in Russia and Ukraine. While the attack seems to be more widely spread in Russia and Ukraine, it is also affecting companies in Denmark, Spain and the US. So far several companies have reported experiencing issues, including Copenhagen-based shipping giant A.P. Moller-Maersk and Russia’s top oil producer Rosneft: We can confirm that Maersk IT systems are down across multiple sites…

This story continues at The Next Web