Already during the night towards Thursday 16 December, the social services had alerted about problems accessing the systems.
When Anders Skoglund came in the morning and was about to open his memoirs before a Teams meeting, he discovered that all files were encrypted.
- It is generally known that it is not a question of, but when it happens.
But we were a bit taken aback because we thought the systems were in pretty good order.
During the pandemic, we had introduced solutions with two-factor authentication via SMS.
But there were vulnerabilities, he says.
Does not repair the old - builds new
That morning was the start of months of work within the municipality together with external IT experts.
They have now built a completely new system instead of repairing the old one.
The municipality will also this week abandon its own email servers to use cloud-based storage instead.
In the clip, you hear the IT consultant Anders Skoglund who controlled the "war room" during the attack on Kalix municipality.