Learning Center February 8, 2024 Updated Date: March 7, 2025Reading Time: 7 minutes

Cybersecurity For The Internet of Things (IoT)

The Internet of Things (IoT) has ushered in an era where devices connected to the internet communicate flawlessly, making life more convenient and efficient. From checking fitness with smart watches to monitoring heart rate through wearable devices and networked products simplifying home automation, IoT technology is revolutionizing all areas of our lives.

This technology has transformed everyday life to include concepts that were once the realm of science fiction. We can now monitor our houses through cameras that are connected to our networks, switch appliances on and off using our phones, and obtain real-time reporting from our cars and medical-tracking smartwatches. 

But as these technologies provide us with such wonderful benefits, they also introduce a tremendous number of security threats that must be controlled. The increase in IoT devices provides hackers with more avenues by which they can potentially obtain access to our personal information.

It’s essential to safeguard these devices, achieving a middle ground between making the most of their advantages and protecting our digital lives from harm.

The Expanding Attack Surface of IoT

With increasingly interconnected devices becoming internet-capable, the attack surface cybercriminals have to exploit becomes exponentially larger, presenting new vectors for intrusion. Traditional computing platforms have strong device security, but most IoT devices do not, making them an enticing target. 

A single compromised smart device can be exploited as a point of entry for intruders to penetrate an entire network, and the consequences could be catastrophic. This underscores the necessity for constant surveillance of suspicious traffic within IoT networks to detect potential intrusions before they reach a critical stage.

The wide range of IoT devices, spanning industries from manufacturing to healthcare and smart homes, makes deploying robust security measures across all devices essential to prevent exploitation.

For instance, industrial settings utilize industrial control systems based on IoT sensors to monitor and regulate operations. When an intruder exploits security flaws in the systems, it can lead to drastic failures, threatening lives and generating sizeable financial losses. Similarly, devices used in healthcare facilities must be locked down so that sensitive patient information is not leaked through data breaches.

IoT-enabled medical devices, such as remote patient monitoring systems or smart infusion pumps, are very vulnerable to security breaches if strict security measures are not implemented. This highlights the critical role of cybersecurity in protecting critical healthcare infrastructure.

In the absence of addressing IoT cybersecurity in these environments, critical infrastructure and essential services such as power grids, transport networks, and emergency responder communications can be jeopardized.

IoT in Various Industries

The more IoT devices are incorporated into our daily lives, the more new security problems they bring. Unless properly secured, they can be vulnerable to cyber threats designed to disrupt and leak data.

Industrial Safety

Industries depend on IoT for automation and optimization, making industrial control system security threats potentially disastrous. Take, for instance, the case of a hacker exploiting a vulnerability in an Internet-of-Things device that is used to measure gas pressure inside a factory boiler. If the system is tricked into ignoring very high levels of pressure, the outcome might be an explosion, which could result in loss of life and property damage. In such cases, cybersecurity specialists play a vital role in identifying and fixing threats before they develop momentum.

Smart Vehicles and Cybersecurity Issues

Modern cars use IoT technology, facilitating remote diagnosis, navigation assistance, and even control driverless vehicles. However, hackers Charlie Miller and Chris Valasek recently showed how easy it is for intruders to hack a car’s intelligent device and open it to control its steering wheel, brakes, and gears. 

These security issues highlight the importance of regularly applying software patches to counter identified software weaknesses in automobile systems. Without punctuation correction, intruders would be able to exploit security weaknesses, leading to hazardous driving conditions and potential accidents.

Business Reputation and Supply Chain Attacks

Adding IoT to business operations can improve productivity but expose organizations to cybersecurity risk. A single connected product compromised by hackers can lead to data breaches, quality control issues, and damage to reputation. 

Furthermore, organizations relying on vendors with weak network security can unwittingly introduce security risks into their systems. To mitigate these risks, an effective cybersecurity program that includes vendor risk assessments is important. Companies must make sure that all IoT applications used throughout their supply chains meet strict cybersecurity standards to prevent criminal behavior from disrupting their operations. 

It is especially crucial in preventing security attacks via hacked physical devices within the supply chain that may be running outdated or malicious firmware updates.

Home Security and Privacy Issues

As more homes add smart products like voice assistants, security cameras, and wearables, privacy has become a growing concern. Most consumers don’t change default passwords, so cyber criminals find it easy to hack into them.

Smart home devices like smart thermostats are often attacked due to weak security configurations, so robust security is the most important thing to prevent unauthorized access and potential security breaches. Some compromised security cameras have even been found streaming intimate material on the dark web.

To prevent unauthorized access, individuals can create strong passwords, implement multi-factor authentication, and make sure that their devices receive regular software updates. Furthermore, connected device security must be a top concern, as cybercriminals tend to target vulnerabilities on a home network to hijack several devices at once.

Enhancing Security Measures for IoT Devices

With the rapid adoption of IoT, securing these devices requires a proactive approach. Here are some essential strategies to reduce security threats and cybersecurity risks associated with IoT technology.

Regular Software Updates

Producers frequently release patches for security vulnerabilities, but users must ensure they update their systems on time to prevent malicious attacks from exploiting known vulnerabilities.

Timely patching of software vulnerabilities plays a crucial role in maintaining the integrity of IoT devices and preventing exploitation by malicious actors.

End-to-End Encryption

Encrypting IoT device outgoing data ensures that even if it gets intercepted, the data remains undecipherable to hackers.

Strong Password Policies

Updating default passwords to custom, strong passwords significantly reduces the likelihood of unauthorized access.

Network Segmentation

With IoT devices segregated on their own network from systems of critical significance, potential damage in an attack is limited.

Security Audits

Regularly scanning the security stance of connected devices identifies vulnerabilities and minimizes them before being exploited.

Cybersecurity Protocols

Firms should establish and enforce cybersecurity guidelines to ensure a secure IoT ecosystem that protects all connected devices.

The Future of IoT Security: Innovations and Trends

As cyber threats evolve daily, the future of security for the Internet of Things will rely on the following new technologies.

Artificial Intelligence (AI)

It allows for the detection of abnormal activity in IoT networks, making real-time response to threats possible.

Blockchain for IoT Security

Blockchain’s decentralized technology enhances the security of networked products by ensuring that data cannot be altered without permission.

Standardized Security Protocols

Today, the IoT industry lacks standardized security protocols, but steps are being taken to design a framework that offers network security for every device.

Automated Threat Detection

Advanced algorithms can scan for malicious activity in real time and provide early warnings and automated protection. As technology advances, the central role of advanced security software, such as AI-powered threat detection, becomes crucial for proactive defense.

The Final Line of Defense: Securing the IoT Battleground

IoT technology offers fantastic advantages but, at the same time, presents advanced security challenges. As connected devices become increasingly interconnected in every corner of life—whether industrial control systems or health devices—keeping them secure is of significant value. 

A robust cybersecurity policy, including regular software updates, proper authentication procedures, and security controls, can reduce IoT security attacks. 

Organizations and entities must remain vigilant, doing everything they can to protect the entire IoT environment from potential cyberattacks.
It’s not if an IoT device will get hacked, it’s when. And when that occurs, when the threads of cyberattacks wrap around their network, organizations won’t be able to even consider their security plan.

With Attack Surface Intelligence, we provide you with X-ray vision into the digital cracks that conceal cyber threats, revealing vulnerable points in your IoT systems before hackers can attack them. Our Threat Intelligence Feeds recognize suspicious activity in real-time, alerting anomalous actions so you can respond before an attack occurs. 

And for those who need to know how secure their vendors really are, our Third-Party Risk Management platform ensures the devices you rely on aren’t ticking time bombs waiting to be exploited.

By adopting robust IoT cybersecurity practices and a high degree of security, you can have a safe IoT ecosystem that protects individual and industrial environments.