After the WannaCrypt malware disproportionately hit the United Kingdom's National Health Service on Fri 12 May 2017 [soylentnews.org], a succession of UK focused organizations have been targeted:
Much of this may be related to unusually hot weather throughout the Northern hemisphere where it was 118°F (48°C) in Las Vegas on Tue 20 Jun 2017 [soylentnews.org]. Whereas, WannaCrypt has been linked to North Korea and hacking of Sony [dailymail.co.uk] but I understand that the link is tenuous and relies on minor byte sequence matches.