This leaflet serves as a guide to cyber security best practices recognized by Wärtsilä. It emphasizes the importance of shared responsibility in maintaining a cybersecure business ecosystem. The document outlines specific behaviors that individuals are encouraged to adopt to enhance their cyber security posture. Key recommendations include using multi-factor authentication (MFA), creating strong and unique passwords, and keeping software updated on all internet-connected devices. Additionally, it advises users to be cautious when accessing internal documents in public spaces and to utilize VPNs on public networks. The leaflet also highlights the significance of reporting suspicious emails and verifying the identity of callers. By following these guidelines, individuals can contribute to a safer cyber environment for themselves and others. The document aims to foster a culture of vigilance and proactive engagement in cyber security practices.