For me it's :
A - It's the hacker that contacted RT with the story
B - It's part of a fearmongering campaign to ransom hotels
C - It's fake news written by an intern
[0] https://www.google.at/search?hl=de&gl=at&tbm=nws&authuser=0&...
For me it's :
A - It's the hacker that contacted RT with the story
B - It's part of a fearmongering campaign to ransom hotels
C - It's fake news written by an intern
[0] https://www.google.at/search?hl=de&gl=at&tbm=nws&authuser=0&...
http://kaernten.orf.at/news/stories/2821290/
Regarding the "locked in" issue; this article doesn't say anything like that:
"Die Gäste kamen nicht mehr in die Hotelzimmer, neue Schlüssel konnten nicht mehr programmiert werden."
"The guests could no longer enter their hotel rooms, new keys could no longer be programmed."
(Which doesn't work with any electronic hotel door lock I've seen so far anyway)
Though the laws are surely quite similar.
Both for evacuation in case of fire (a guest might be unconscious in a room) or in the case of a medical emergency (a guest might call down and complain about chest pain, and pass out before opening the door).
Can a malicious agent actually prevent previously working key cards from working (during the guest's stay - I know there is a time limit encoded on the key cards) or just prevent new cards from being programmed?
I have had that happen to me, and at least in that instance nobody had to come and reprogram the lock.
"We were hacked, but nobody was locked in or out," the
hotel's Managing Director Christopher Brandstaetter told
Bleeping Computer. "For one day we were not able to make
new keycards."