Former head of parliament's security and foreign affairs committee says no ‘serious thought’ given to how to cope

Minister warns of potential attacks using ransomware, as national railway company denies Friday 'chaos' at train stations caused by cyberattack

Messages posted on electronic timetables saying trains 'long delayed because of cyberattack,' railway also reported to lose tracking system; no claims of responsibility

Group identified as N3tw0rm threatens to release customer data unless its demands are met

Hackers expected to try corrupting websites with propaganda messages, hit Israeli information systems around May 7

'Russia Russia Russia is the priority chant when anything happens,' US president says, makes baseless suggestion voting machines may have also been hacked

Official says 'no evidence of compromise' has been found; confirms NATO uses SolarWinds, whose software was hacked in attack that also affected networks in Israel

Top US envoy says hack was 'very significant effort'; Microsoft says roughly 80% of affected customers are in US, with victims also in Israel, UAE, Britain, Canada, Mexico, Spain

Black Shadow hacking group threatens to sell additional documents stolen from Shirbit, publishes image of CEO's passport

After ransom deadline passes, account for group identifying as Black Shadow reportedly receives bitcoin payment of $104,000