On February 09, 2023, the Defense Security Agency recently released a Cybersecurity Advisory (#StopRansomware: Ransomware Attacks on Critical Infrastructure Fund DPRK Malicious Cyber Activities) which highlights the growing threat of ransomware attacks on critical infrastructure and medical devices in the United States. The report highlights the role of North Korea in funding these malicious activities and the need for organizations to take proactive measures to protect themselves.
Microsegmentation is a crucial technique for protecting medical devices from ransomware attacks and limiting lateral movement in the network, as highlighted in a recent report. By dividing a network into smaller segments, this technique can prevent the spread of malware or unauthorized access, ensuring the security of medical devices in critical environments such as hospitals. As medical device security becomes increasingly important in the healthcare industry, techniques such as microsegmentation can play a critical role in safeguarding patient privacy and safety.
The report provides a number of recommendations for organizations to prepare for and mitigate ransomware incidents. These include maintaining isolated backups of data, creating and exercising a cyber incident response plan, regularly updating software and operating systems, securing and monitoring potentially risky services, implementing a user training program, requiring strong passwords and phishing-resistant multifactor authentication, and regularly updating antivirus and antimalware software.
In addition, the report recommends that organizations scan backups and follow incident response best practices in the event of a ransomware attack. It is also important for organizations to report incidents to the appropriate authorities, including the FBI and CISA, and to seek assistance from other cybersecurity authorities.
The report highlights the need for organizations to take proactive measures to protect themselves from ransomware attacks, especially in the critical infrastructure and medical device sectors. Microsegmentation is a key technique that can help limit the spread of malware and protect medical devices in hospitals. Network and security IT professionals working in hospitals in the United States are encouraged to review the report and implement the recommended best practices to help protect their organizations and patients.
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