Increase in Ransomware Attacks
Security Vulnerability Description:
The Federal Bureau of Investigation (FBI), Cybersecurity & Infrastructure Security Agency (CISA), and Health and Human Services (HHS) have released information detailing the rise of ransomware attacks. Common ransomware attacks have continuously been updated to become more effective.
These ransomware attacks have increased “the ease, speed, and profitability of victimization.” The FBI has found that ransomware attacks have increased for all industries. However, there is an even more dramatic increase in hospitals and the healthcare provider industry.
Network Best Practices
- Patch operating systems, software, and firmware as soon as manufacturers release updates.
- Check configurations for every operating system version for HPH organization-owned assets to prevent issues from arising that local users are unable to fix due to having local administration disabled
- Regularly change passwords to network systems and accounts and avoid reusing passwords for different accounts.
- Use multi-factor authentication where possible.
- Disable unused remote access/Remote Desktop Protocol (RDP) ports and monitor remote access/RDP logs.
- Implement application and remote access to only allow systems to execute programs known ang permitted by the established security policy.
- Audit user accounts with administrative privileges and configure access controls with least privilege in mind.
- Audit logs to ensure new accounts are legitimate.
- Scan for open or listening ports and mediate those that are not needed.
- Identify critical assets such as patient database servers, medical records, and telehealth and telework infrastructure; create backups of these systems and house that backups offline from the network.
- Implement network segmentation. Sensitive data should not reside on the same server and network segment as the email environment.
- Set antivirus and anti-malware solutions to automatically update; conduct regular scams.
- Regularly backup all files offline.
Plans and Policies
It is recommended all businesses have an updated incident response plan in place to help ensure that the proper steps are taken if your company falls victim to a cyber-attack. Additionally, you can maintain an incident response retainer with a reliable cyber security company.
Ransomware Best Practices
The CISA, FBI and HHS does not recommend paying ransoms. Payment does not guarantee files will be recovered. It may also embolden adversaries to target additional organizations, encourage other criminal actors to engage in the distribution of ransomware, and/or fund illicit activities.
User Awareness Best Practices
It is important to continue to perform social engineering testing and training. Employees are the weakest link in terms of cyber security. It takes one person to click on a malicious link and download ransomware to your organization. Through continuous social engineering testing and training, the risk of human vulnerability can be reduced.