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Malware infection is caused by the import of patient data from a storage medium brought by the patient. Medical images are frequently given to patients on a CD, which the patient can take to a hospital where a follow-up treatment is scheduled.
Fremont CA: In recent years, the healthcare sector has been impacted by cybersecurity issues. As the use of the internet has grown over the last two decades, hospitals around the world have followed suit. In healthcare, patient health information and electronic health records are now routinely used.
While this adoption of technology is beneficial to the healthcare industry, there has also been a significant increase in cybersecurity incidents such as computer viruses, patient data theft, ransomware, and publication. Previously, the majority of these attacks were widespread and random, but several cyberattacks in 2019 were specifically targeting medical network protocols and file formats, particularly digital imaging.
Patient Data That Contains Malware
Malware infection is caused by the import of patient data from a storage medium brought by the patient. Medical images are frequently given to patients on a CD, which the patient can take to a hospital where a follow-up treatment is scheduled. These images are imported into the hospital's local PACS infrastructure. However, a virus in the computer used to create the patient CD could infect this file, and the virus will spread wherever this file is opened after that.At this point, the malware could intercept network traffic and recognize logins and passwords, allowing attackers to take control of the server. This could result in ransomware.
Simple precautions can be taken to avoid such an occurrence.To prevent the creation and distribution of infected storage media in the first place, antivirus software should be used on the side of the person creating the CD. In addition, the AutoRun feature on the import CD should be disabled. The import system should be updated on a regular basis, and an antivirus program should be installed. A firewall should also be used to limit the damage that malware infection could cause.
Cyberattacker Hacks the Hospital Network
In this scenario, the cyber attacker gains access to a hospital's internal local area network, allowing him to intercept and analyze network traffic. This provides the attacker with network addresses and port numbers, as well as the ability to capture demographic data, patient names, and other critical information. In addition, the attacker may gain unauthorized access to images and patient reports. Once the hacker has gained access to this patient information, they can use it for their own purposes. This type of attack can be avoided by employing multiple layers of defense. Physical safeguards and secure network architecture should be included in the first layer. Cabled network ports should not be installed in rooms where unauthorized individuals may gain access. Network plugs should be secured as well. Connecting to the network should be restricted to computers with media access control addresses. Wireless networks should be operated in a secure manner, and they should be reviewed and updated on a regular basis. To make the system more secure, firewalls and network segmentation should be used.