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Healthcare delivery organizations, or HDOs, are an increasing target for cyberattacks. In the 2020 HIMSS Cybersecurity Survey 70% of hospitals surveyed noted that they had experienced at least one “significant security incident” such as data breaches, data loss, and operational disruptions within the preceding twelve months.
In October 2021, the Newfoundland and Labrador healthcare system suffered a cyberattack launched by a ransomware group known as Conti. The impact of the cyberattack forced the hospital system to cancel thousands of appointments and procedures, as patient records and critical systems were completely inaccessible. The attack is now known as “the worst in Canadian history”.
With the significant role HDOs play in the health and well-being of the community at large, this places them in a uniquely vulnerable position for ransomware attacks because of what’s at stake. Cyber security issues in healthcare are only going to increase as cyber attackers become more savvy.
In our latest threat intelligence report, Code Grey: Managing Cyber Risk in Healthcare Delivery Organizations, eSentire’s Threat Response Unit (TRU) identifies three key reasons why HDOs are prime targets for cyberattacks:
Recognizing these cybersecurity vulnerabilities allows HDOs to plan a robust risk-based approach that addresses key issues that impact the strength of their cybersecurity programs, such as:
To address the cybersecurity risks that impact healthcare systems, HDOs should take proactive measures to protect their operations and patients, such as:
A popular technique threat actors rely on is to target software that has not been patched against known vulnerabilities. This becomes especially serious if the threat actors are taking advantage of a zero-day vulnerability. Patch management is low hanging fruit for the IT and cybersecurity team, especially since this step can be automated (to a certain extent) using scripting tools or more sophisticated systems that document, download, test, and administer patches from multiple software vendors.
You can also engage a Managed Vulnerability Services provider to conduct regular scans of your internal and external assets and help you prioritize remediating the vulnerabilities that present the greatest risk to your HDO.
A simple phishing email is all it takes for threat actors to launch a ransomware attack that disrupts healthcare operations. Unfortunately, healthcare organizations are targeted by phishing attacks significantly more, compared to other industries.
Implementing a phishing and security awareness training (PSAT) program that highlights cyber risks present in HDOs enhances cyber resilience and protects patients from treatment disruptions.
Multi-factor Authentication (MFA) is an extra layer of security that requires not only a password and username but also something that only that user has on them. An example is the use of a one-time pin (OTP) that is sent to their phone for additional verification. Where applicable, multi-factor authentication should be implemented for accessing sensitive applications or remote networks to improve the assurance of user credentials. Many of the attacks our TRU team sees begin when compromised credentials are leveraged in the initial access phase of a cyberattack where MFA is not in place.
The role of a CISO is to work directly with your team to assess your cybersecurity program and measure your ability to defend yourself against threats. If your HDO is too small to have a CISO role, you can consider leveraging the services of a virtual CISO (vCISO). This is typically an advisory service wherein you have a dedicated resource that acts as an extension of your team to evaluate your cybersecurity strategy, builds an action plan to align your cybersecurity strategy to business objectives, executes on the action plan, and demonstrates clear results and value. Having an expert opinion will help ensure that your HDO leadership team understands what cyber risks you face and how you can mitigate them.
Third-party suppliers can be used as a gateway for threat actors to steal your patient data. When purchasing equipment that is connected to your HDOs network, complete a vendor risk assessment with your supplier to ensure that their security measures meet HIPAA guidelines and protect your organization effectively.
Although you can implement certain mitigating controls to prevent cyberattacks, you must be proactive with your cybersecurity measures. This means utilizing multi-signal Managed Detection and Response (MDR) for 24/7 threat detection, investigation, and complete response.
In fact, effective MDR provides 24/7 threat hunting expertise with cutting-edge machine learning-driven XDR to stop threats before they can disrupt your HDO’s most critical operations.
Additionally, you should have an Incident Response (IR) retainer in place to drive incident response, remediation, recovery, and root cause analysis in case of a cyberattack results in a data breach. After all, when an incident occurs, every second counts.
Implementing both these technical and strategic recommendations is the best way to start improving your cybersecurity posture. Cybercriminals won’t wait for you to be ready for them. It’s up to you to prepare your organization and protect your patients from cyberattacks and security breaches.
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eSentire is the Authority in Managed Detection and Response, protecting the critical data and applications of 1500+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events. Combining cutting-edge machine learning XDR technology, 24/7 Threat Hunting, and proven security operations leadership, eSentire mitigates business risk, and enables security at scale. The Team eSentire difference means enterprises are protected by the best in the business with a named Cyber Risk Advisor, 24/7 access to SOC Cyber Analysts & Elite Threat Hunters, and industry-leading threat intelligence research from eSentire’s Threat Response Unit (TRU). eSentire provides Managed Risk, Managed Detection and Response and Incident Response services. For more information, visit www.esentire.com and follow @eSentire.