Sweden’s recent NATO membership marks a significant shift in the country’s national security strategy, particularly concerning cybersecurity. This study has assessed the current cybersecurity landscape in Sweden by conducting interviews with experts within the public sector and through document analysis. The interviewees included academics, researchers, and government officials from the municipal level to parliament. The study concludes how the threat environment has evolved following Sweden’s NATO membership. The study has identified key cyber threats facing Sweden, primarily from state-sponsored actors such as Advanced Persistent Threat (APT) groups and cybercriminal organizations targeting critical infrastructure. The study has also found disparities in cybersecurity preparedness between Sweden’s military and civilian sectors. The study emphasizes the need to strengthen civilian cybersecurity to reach a similar preparedness as the military to adapt to NATO’s requirements and stand ards.