In India the Healthcare sector spends a top line of 1 -5% of their budget on their IT security. Compare this with the banking and financial sector that budgets for a whopping 15 -20% of their annual IT spend on data security. Cybersecurity in healthcare in India becomes even more a priority with the National Digital Health Mission that will connect all patient health records.
The pandemic and lockdowns that followed saw a 500% increase in patients opting for online consultations with doctors. Patient Electronic Health Records (EHR) are often shared through insecure networks with multiple user access. These can be susceptible to cybercriminals and be compromised through malware. Information stored in health care institutions is not just patient health data but also medical insurance and billing information and this has high value in the black market.
Healthcare cybersecurity strategies to protect data
July 15th, 2019 and the hospital receptionist at MGM Hospital in Mumbai came in to work and started her computer but was not able to login. When hospital system administrator Amit Vavhal tried to get into the system to check her complaint, he was stunned by the message he read on the screen. The attacker’s message read that they had encrypted all the data and the hospital would have to pay them in bitcoin for decryption. While a cybercrime was filed, all processes were switched to manual paperwork, including billing, while scheduled operations had to be cancelled.
55% of healthcare companies in the US alone have faced cyberattacks, the data for India is not known. Here are the top 5 ways to ensure information security in healthcare to prevent cyberattacks and security breaches.
1. Identify and plug threat entry points
A threat entry point can be any vulnerability in your system that can be used by a hacker to insert a malware into the network or even access critical data without being detected. Many medical software can connect to other applications and vendor networks and might even be still connected to legacy systems. Most organisations,not just the healthcare industry, have no comprehensive understanding of their hybrid networks with no overview of vulnerable access points or ability to identify access policy violations.
This,then is the first step in ensuring healthcare cybersecurity – create an accurate inventory of all applications, servers, objects and networks that are talking to each other. This can identify any access routes that are noncompliant with access regulation policy. It might even throw up forgotten servers that can still access the network and could be vulnerable threat entry points.
2. Implement multilayer defence system
Patient information and billing information is 10 times more valuable than just credit numbers. A credit card fraud is usually detected within days while health information theft can go undetected for years.
This is the reason a multilayered approach for healthcare security is a necessity. A multi-layered defence inserts multiple steps before someone can access data. This can be up to a 7 layered defence and a few of the layers are
Network security using SSL, advanced firewall configuration, VPN security and intrusion detection and prevention. This layer needs to be constantly updated.
Data encryption at rest and in transit, two-factor authentication and malware protection. Frequent patches or upgrades can make this layer vulnerable
Server-side file integrity monitoring along with role-based access controls.
Mobile and medical devices are often the Achilles heel because these outside devices are out of the secured network
Many healthcare organisations are finding it more viable to move data to cloud providers that specialize in healthcare. It is more cost effective as there is no requirement to purchase software or hardware for many of these 7 layers of defence.
3. Protect data on medical SMART devices
Not just medical IoT devices like ultrasound machines and MRIs but also SMART building management systems feature poor out-of-box security that make them vulnerable to compromise. The biggest challenge is the interoperability of connected devices, many of which do not receive security updates, making them the low hanging fruit for cyberattacks.
Protecting MIoT requires a concerted strategy for information security in healthcare
Identify and monitor all connected medical devices for anomalous behaviour. When thousands of medical devices are in the network this requires intelligent cybersecurity solutions to detect a data breach.
Segment MIoT based on vulnerability. Also, evaluate creating an isolated network for connected devices using VLANS and firewall technology.
Ensure regular software patching and firmware updates, prioritizing by individual risk profile of medical device groups.
4. Train staff on security protocols
The weakest link in healthcare are the users that are accessing different parts of the healthcare digital system. Even with strong firewalls and other defences, human error can cause breach in the best defence through downloading unauthorized software, weak passwords or opening phishing em