Irish Examiner view: Ignore mystery phone numbers

Ireland is the second most targeted state in the EU for the unkown number telephone scam

A European Commission poll has found that 28% of us have received a call in the last year from an unknown number and been charged for it after answering the call or returning the call. Picture: Lauren Hurley/PA Wire

In May, leading American fuel pipeline operator Colonial Pipeline shut its entire network after a cyber attack that involved ransomware. 

The incident is one of the most disruptive digital ransom operations ever reported.