"Unfortunately, we suspect that we have been exposed to a hacker attack today, Monday 8 August 2022. This means that we cannot use checkouts and/or receive payment. We are therefore keeping the stores closed until we know the extent. We naturally hope that we can open the stores again soon." - 7-Eleven DK.]
In a now-deleted Reddit post, an alleged 7-Eleven employee in Denmark also confirmed the cyberattack, saying they were forced to close the store after checkout systems stopped working.
Can't get a Slurpee or anything from there in this hot weather, it seems.