An investigation from the Swedish Post and Telecom Authority, PTS, shows that many of the 100 or so disruptions have stretched out over long periods of time, and in some cases, they've made it impossible to reach emergency services. Now, the authority is getting ready to impose tougher rules for the operators. Karin Lodin is a lawyer at the network security department of PTS, and she told Radio Sweden what the authority planned to do.
"We can see that the most common problem relates to back-up power and operating systems and that is why we are focusing on these areas. We want network providers to carry out risk-analysis for their business and also provisions for back-up power. We want them to have round the clock surveillance."