A group of hackers gained remote access to a hydroelectric dam’s control systems in Norway and fully opened a drainage valve, releasing a large amount of water.
For four hours it went unnoticed.
This wasn’t a hacker’s prank. This was a critical piece of infrastructure being remotely manipulated by an unauthorised party.
Details so far are sparse, but it would not be a surprise if we found the problem was compounded by lax password security.
Read more in these media reports.
