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CybersecuritySecurity NewswireCybersecurity NewsHospitals & Medical Centers

How Healthcare is a Major Target for Cybercriminals

By Brandon Bekker
Brandon Bekker
December 21, 2017

The internet of things has transformed the healthcare sector, allowing security practitioners to easily share information and deliver personalized treatments.

Yet many experts in the security industry believe that of all the industries facing serious cyber threats, healthcare is possibly the most at risk. That’s because relatively speaking, healthcare organizations are still behind when it comes to security defenses.

It’s also well-documented that external attackers have set their sights on protected health information (PHI). The value of medical records on the black market is at least 10X higher than credit card data. Why? PHI contains more personal data points and cannot just be reissued in the event of a problem. Bank account details and passwords can be changed following a breach; but information about allergies, disabilities, mental health or hereditary conditions, can’t. So, securing this data and a healthcare institution from these calculated threats should be a top priority.

The nature of healthcare, requires that organizations within this sector keep highly sensitive patient data on file. Doctors need to have this information to make informed decisions about patients, and the ability to easily share this information within a healthcare network, has resulted in significant advancements in the way patients are treated. Personal and medical details are also used by staff who handle post care activities, from post-op follow-up to billing. This reduces the admin involved and makes it a far more efficient experience for patients.

However, housing this kind of personal information poses a severe risk. Without the right security in place, this data is left exposed to external threats, as malicious actors use targeted threats to infiltrate networks. But when you’re dealing with something as important as people’s lives, it’s not enough to only have security in place, the continuity of services is vital. Take the WannaCry ransomware outbreak earlier this year for example, where entire hospitals in the U.K. were shut down.

Healthcare institutions therefore need to have a cyber resilience strategy in place. This will help them defend against threats such as ransomware, allow continuous access to critical applications and information during an attack and provide the ability to recover data to the last known workable state, after a threat is neutralized.

But it even goes beyond external threats. Equally important is making sure the organization is insulated from mistakes by both well-meaning employees and malicious insiders. Busy staff members are bound to make mistakes regarding PHI. With the ubiquity of email, it’s not uncommon to find a breach where employees accidentally (or carelessly) attached a spreadsheet or document containing PHI. A mistake like this could result in personal harm or defamation and will have severe implications for healthcare professionals in countries that have data protection laws in place.

To prevent brand damage, fines, and audits, healthcare organizations must actively seek to identify and prevent PHI from leaving the organization without the proper safeguards in place. However, this can be a monumental task without the right technology. There are capabilities that can help address this challenge for healthcare organizations to scan, identify and take action on emails containing PHI. These actions include holding the message for review, encrypting the content, applying secure messaging between parties, converting the files and more. 

Ensuring that PHI does not leave the organization without the proper encryption and safeguards is just as essential as securing against external attackers. Healthcare is the only industry where employees are the predominant threat of a breach.

The healthcare sector is at major risk. The time is now for them to rethink cyber security and implement strategies that make them resilient and prepared for both internal and external threats.

Brandon Bekker is Managing Director at Mimecast, Africa and the Middle East

KEYWORDS: cyber security healthcare security Internet of Things (IoT)

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