The present study examines the security of patient data in everyday medical practice and presents prevention options. Expert interviews were conducted, as well as an online survey among Austrian healthcare providers and a white-hat hack experiment. Health data is particularly vulnerable, and the advancing digitization brings new dangers. Cyber attacks pose a major threat, especially humans as the biggest security risk. It is important to raise awareness of cybersecurity and take appropriate measures to ensure the security of patient data. The study examines the security of patient data in the Austrian healthcare system. It is found that data protection is already well implemented, but data security still needs improvement. In the healthcare sector, phishing attacks are particularly common, and click rates in such attacks are above average. Ransomware attacks often demand high ransom payments. The study was conducted through an online survey of healthcare providers, expert interviews, and a white-hat hack experiment. It is recommended to strengthen data security in healthcare and provide better training for employees. The article addresses the dangers of cyber attacks in healthcare and measures for data security. It is pointed out that such attacks can endanger the availability and integrity of patient data and that the data can fall into the wrong hands. The most common attack method is through emails, especially in hospitals. The ELGA system in Austria is considered secure as it is a separate system without internet connection. It is emphasized that data security begins with simple measures such as the positioning of monitors and handling of documents in everyday work. A survey among healthcare providers shows that data protection and data security are often tabooed. Recommendations are given to increase data security, such as data encryption, a uniform protocol for behavior in the workplace, and regular data backups. Professional support is recommended as securing IT infrastructure is complex. [Extracted from the article]