Luas operators say technicians are working on restoring its website, after it was hacked overnight.
Anyone going onto the website this morning has been greeted with a message describing the attack, with the tram operator being held to ransom for one Bitcoin.
It's claimed the hacker emailed the company some time ago saying that there was security holes, with no reply.
Bitcoin
The attacker is threatening to publish all data and send emails to users if they refuse to pay one Bitcoin within 5 days - that's around €3,400.
Luas operators have been made aware of the problem, and have been posting service updates on Twitter.
The #Luas website is down at the moment. We will be using this forum only for travel updates should the need arise. We have technicians working on this issue. NF
— Luas (@Luas) 3 January 2019
Luas operators have taken the website offline while it looks into the issue.
They're urging people not to visit the website while they
