As you may know, the Internet of Things (IoT) is a network of physical objects embedded with sensors, software, and other technologies to enable seamless data exchange and connectivity with other devices and systems over the Internet.
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As you may know, the Internet of Things (IoT) is a network of physical objects embedded with sensors, software, and other technologies to enable seamless data exchange and connectivity with other devices and systems over the Internet.
Typically a physical device or a software platform is used as a hub to connect all IoT devices and facilitate their communication. A great analogy would be to think of an airline hub which concentrates passenger traffic and flight operations. In a similar way , a hub in IOT is a central point that connects all IoT devices and enables them to communicate with each other.
In today’s interconnected world IoT systems are used in several industries.This is why we must take as much of a security conscious approach as we can when we implement these systems . Why do you ask? The answer is simple. It is imperative to ensure we are decreasing the attack surface to minimise the likelihood of any potential cyberattack on our organisations network.
It is a common practice and highly recommended to keep IOT devices on a separate network. Why? Well, if any smart device is compromised it will not grant the attacker a direct route to the primary devices where most of the valuable data is stored. Jumping across two networks would require more effort from the attacker hence strengthening your organisation’s security posture.
Why do I mention all of this? Well, I’d like to focus on the importance of Healthcare IoT security as an example in the real world today.
In recent years surveys have confirmed the security vulnerabilities of medical devices connected to the internet and attracted the public’s attention to IoT security in healthcare.
Patient safety is the most critical concern in healthcare. Even a small change in the vital metrics collected by medical devices, such as pulse oximeters or glucose meters, can significantly impact patient care and lead to potentially fatal consequences. What if a hacker alters the operational modes of these medical devices? Penetrating a hospital network and accessing other medical equipment through a single device is a negative yet realistic scenario.
It seems traditional firewalls and antivirus software are no longer sufficient to ensure adequate protection for our systems. Healthcare firms need to brainstorm other ways of detecting both known and unknown threats. In addition to this, outdated equipment poses additional challenges to healthcare IoT security. Replacing old medical equipment may come at a high cost, but if used for decades, old equipment may not comply with modern security standards and can be easy targets for attack. Penetrating a hospital network and accessing other medical equipment through a single device is a realistic scenario that can have severely negative consequences. Investing in better security measures to protect our healthcare system may be a wise decision after all. A chain is only as strong as its weakest link.
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