Microsoft has detected cyberattacks from at least three nation-state players that target seven major companies involved in vaccine research and treatment of Covid-19. Targets include pharmaceutical companies from Canada, France, India, South Korea and the United States. The cyber attacks came from Strontium, a player based in Russia, and two players in North Korea that Microsoft calls Zinc and Cerium. According to Microsoft, Strontium uses password spray and brute force login attempts in an attempt to steal login information. Cyber attacks involve accessing user accounts using millions or thousands of…