Ransomware and the Internet of Things (IoT) is a growing threat, with 97% of organizations struggling to secure their smart devices. While IoT devices can boost efficiency and drive data-driven decisions, they also open a backdoor to cybercriminals—a trend that’s catching many businesses off guard.
Keep reading to discover why connected devices (yes, even your office printer) could be prime targets for attackers, and what steps you can take to protect your business’s IoT ecosystem.
Overview of Ransomware and IoT
The Internet of Things (IoT) is rapidly changing how businesses operate. IoT refers to the network of devices connected to the internet, ranging from sensors to complex machinery. These devices collect and share data, helping companies track and even automate their operations.
Here’s a quick look at how different sectors use IoT devices:
- Manufacturing employs production line sensors and automated inventory systems to optimize operations
- Healthcare relies on connected medical devices like patient monitors, drug infusion pumps, pacemakers, and MRI machines to enhance patient care
- Agriculture leverages smart irrigation systems and crop monitoring drones to improve yield and resource management
- Energy companies have smart meters and grid management systems for efficient power distribution and consumption monitoring
- Transportation utilizes fleet trackers and connected vehicles to optimize routes and monitor vehicle performance
Of course, there are many more examples. Including simple ones, like your office printer.
The Rise of IoT and IoT Ransomware Attacks
The growth of IoT has been significant and is set to continue.
Statista data shows there are approximately 17.08 billion connected IoT devices worldwide in 2024. This number is expected to almost double to 29.42 billion by 2030. This rapid growth is fueled by better internet speeds, cheaper sensors, and increasing demand for smart solutions across industries.
While IoT brings many benefits, it also introduces new risks. The sheer number of connected devices creates more entry points for cybercriminals, making IoT a growing target for ransomware attacks.
In fact, there has been a 400% increase in IoT and OT malware attacks, with education and manufacturing being hit the hardest.
Unique Challenges in Securing IoT Devices
As IoT devices become more prevalent in our businesses and daily lives, they bring with them a host of security challenges unlike those we’ve faced with traditional IT systems. These challenges stem from the very nature of IoT devices—their small size, limited capabilities, and often their placement in hard-to-reach or widely distributed locations.
Unlike computers or smartphones, these devices often aren’t designed for easy software updates, leaving vulnerabilities unpatched. Furthermore, many come with default passwords that users frequently neglect to change, providing an easy entry point for attackers.
These factors all make securing IoT devices uniquely challenging.
Common Vulnerabilities in IoT Devices
These unique challenges don’t just make securing IoT devices difficult—they lead to specific vulnerabilities that cybercriminals are all too eager to exploit. Understanding these common weak points is crucial for any organization looking to protect their IoT ecosystem:
- Weak Authentication: Many IoT devices lack strong authentication mechanisms, making it easier for unauthorized users to gain access
- Insecure Network Services: Open ports and insecure network services can provide entry points for attackers
- Lack of Encryption: Data transmitted by IoT devices is often unencrypted, leaving it vulnerable to interception
- Insufficient Privacy Protection: IoT devices often collect sensitive data without adequate safeguards, risking privacy breaches
- Inadequate Security Configurability: Many IoT devices offer limited options for users to enhance security settings
Attacks exploiting these vulnerabilities are well-documented. In 2022, white hat hackers managed to compromise 28,000 printers to raise awareness of security issues.
Potential Consequences of IoT Ransomware Attacks
When hackers successfully attack IoT devices, the consequences can be severe and far-reaching. Unlike traditional computer systems, IoT devices often control physical processes or collect sensitive data, making the impact of an attack potentially more dangerous.
In manufacturing, a ransomware attack on IoT devices could halt production lines, leading to significant financial losses and disrupted supply chains. Smart city infrastructure, if compromised, could cause traffic chaos or disrupt essential utilities like water and electricity.
The healthcare sector faces particularly dire consequences. Attacks on medical IoT devices could directly endanger patient lives by tampering with critical equipment like infusion pumps or ventilators.
Moreover, even when the IoT devices themselves aren’t the primary target, healthcare organizations often have to shut down all connected systems to contain a threat.
For instance, during a 2024 ransomware attack on major US hospital network Ascension, staff had to return to a paper-based system. Most machines had been shut down to contain the ransomware attack, which forced the hospital to postpone operations and delayed patient care.
Best Practices for Protecting Your Systems from Ransomware
There are many things you can do to safeguard your IT systems, including IoT devices. Consider implementing these best practices:
- Regular Updates and Patch Management: Ensure all IoT devices are regularly updated with the latest security patches. Implement a robust patch management system to track and apply updates across your IoT network.
- Strong Authentication Controls: Implement a zero-trust security model for your IoT ecosystem and use strong, unique passwords for each device, including multi-factor authentication where possible.
- Access Controls: The principle of least privilege (PoLP) limits access to IoT devices and their data to only those who absolutely need it for their roles. It’s a good idea to regularly review and update access permissions to ensure they remain appropriate as roles and responsibilities change within the organization.
- Network Segmentation: Isolate IoT devices on separate network segments to contain potential breaches. This limits the spread of malware if one device is compromised.
- Encryption and Secure Communication: Implement end-to-end encryption for data transmitted by IoT devices. Use secure protocols for device-to-device and device-to-cloud communication.
- Continuous Monitoring with ProLion DataDefense: Implement a robust monitoring solution like ProLion DataDefense. This advanced tool monitors your central data storage 24/7 for threats and blocks them automatically, providing an additional layer of protection for your IoT ecosystem.
Protect Your Organization from Ransomware
IoT devices can be an easy way in for hackers. Don’t let them get in through the backdoor—or any door. Here are some simple actions you can take now to protect your organization:
- Take our free cyber resilience assessment to find out how well-prepared you are for a breach
- Find out more about the different types of ransomware
- Learn how to build an effective ransomware strategy
