How Blockchain is Revolutionizing IoT Cybersecurity

Blockchain is revolutionizing IoT cybersecurity by transforming IoT networks into self-defending digital ecosystems.

As technology continues to advance and have practical implications in every facet of our lives, it feels like we’re watching the most fantastical science fiction imaginings of “the future” come to fruition.

For example, our home appliances and devices are interconnected in ways that seemed impossible even a decade ago. From smart thermostats and fridges to home security systems and baby monitors, smart devices automate our homes and can make our lives easier.

However, where technology exists, cybersecurity risks increase. Hackers don’t just target laptops and smartphones, they look for vulnerabilities in your smart doorbell and fitness tracker, too. Nevertheless, the game-changing alliance of blockchain and the Internet of Things (IoT) can revolutionize your online protection.

Tech terms like blockchain and IoT may seem overwhelming to the average Internet user, but they’re more than just tech buzzwords. These tools are changing our world. Outdated centralized cybersecurity systems can be compromised, but blockchain can help tamperproof even the most vulnerable IoT devices in your home.

Imagine your interconnected smart devices as a digital immune system that uses blockchain protocols to protect your home by fighting threats before they can cause harm.

IoT enables communication between everyday appliances and systems using embedded sensors and software.

What is IoT?

The “Internet of Things” is a vague-sounding term, but it refers to the cool and revolutionary network of interconnected smart devices in your home. Physical devices such as home appliances, home security systems, fitness equipment, and vehicles can all be connected.

These items are embedded with seamless network connectivity, sensors, and software that allow them to “communicate” with each other and collect, exchange, and store data. Typically, IoT smart devices communicate via an Internet network.

What you need to know about IoT

If you have multiple smart devices in your home, chances are you’re connected to the IoT. By the end of 2025, the global Internet of Things market is anticipated to reach $170 billion. If you have a “smart home” or are thinking about implementing smart devices, you should know that:

Smart homes continue to trend, and many homeowners actively choose to make their properties “smarter” to reduce costs and increase effectiveness and automation.

Homes with the IoT average 8 interconnected smart devices

97% of people with IoT devices are at least somewhat satisfied

An estimated 75% of homes will be “smart” by 2028

71% of smart home owners report that smart devices exceed their expectations

How the IoT works

Smart devices that are connected to the IoT communicate with each other and cloud platforms. IoT devices share data collected via sensors that store information about their environment. Real-time data analysis and collection allows IoT devices to make decisions, automate tasks, offer insights, and respond to input.

Here’s a look at how IoT works:

1. Data Collection:

IoT devices are programmed, via sensors, to autonomously collect data on their environment, and also collect data via user input. For example, smart home devices might collect information about temperature or lights, or about your fitness goals.

2. Data Transmission:

Your IoT devices are connected to the Internet through wireless protocols like WiFi. Collected data is then transmitted and exchanged to other devices in your network.

3. Data Analysis:

Data is then processed and stored on a cloud-based server, and analyzed to allow your IoT devices to identify insights, patterns, and cybersecurity threats. AI algorithms and machine learning processes analyze your collected data to predict future outcomes and make autonomous decisions.

Users can interact with the IoT via a mobile app, user interface, or website to input data, adjust devices and settings, control devices, and view stored data.

Types of IoT

There are four main categories of IoT: Commercial, Consumer, Industrial, and Infrastructure. Each type of IoT is specifically created for different user groups and applications:

Commercial IoT:

Commercial IoT are connected devices specifically used in businesses, stores, and more to enhance overall operations. For example, smart office buildings use commercial IoT networks to reduce costs and energy consumption via lighting and temperature control.

Commercial IoT can also be used to improve customer experiences (through personalized solutions and customer service) and enhance security (via real-time threat alerts and automated safety protocols).

Consumer IoT:

Consumer Internet of Things uses IoT to connect home devices like smart phones and wearables and home appliances for automation, convenience, and efficient user control via real-time data collection.

For example, a smart refrigerator, thermostat, and smartwatch might all be included in a consumer IoT.

Industrial IoT:

Industrial IoT uses networks of devices, sensors, and systems in industrial settings, such as manufacturing, transportation, logistics, and energy management. For example, an IoT industrial device might monitor and analyze the productivity and safety of a manufacturing machine.

Infrastructure IoT:

Infrastructure IoT is used in smart cities, such as New York City and London, to manage, monitor, and optimize integral aspects of infrastructure. For example, infrastructure smart devices might be used to assess and manage bridges, roads, and utilities.

Blockchain secures digital transactions by recording unchangeable data across a decentralized computer network.

What is blockchain?

Blockchain is a shared, unalterable data record that enhances cybersecurity by recording secure transactions across a computer network. It’s a decentralized, digital technology that’s used in numerous modern applications.

Most databases are not decentralized, and thus have limited methods of distribution. This makes them vulnerable to single points of failure or cyberattack. Blockchain’s decentralized feature allows distribution among a large network of computers.

Once a block is created to record a data transaction, it’s tough for cybercriminals to alter or delete that record. Blockchain technology is widely used for securing cryptocurrencies, digital identity, supply chain management, and much more.

How blockchain is revolutionary for IoT cybersecurity

Blockchain revolutionizes IoT cybersecurity by enhancing security protocols, making data records virtually impenetrable, and reducing the risk of cyber threats. Here’s how it works.

The benefits of blockchain in IoT security

Blockchain provides IoT with a credible audit trail, tamper proof data record, and protected communication channels. It helps to secure and decentralize data through cryptographic encryption, enhances data verification, and limits access control.

Here are some of the benefits blockchain provides to IoT security:

Automated Security: Blockchain can automate IoT security protocols, mitigate system access control, and automatically verify data. This removes the need for human management over an IoT system.
Data Encryption and Integrity: Blockchain encrypts data through cryptography, which reduces network vulnerabilities to a cyberattack. If data is intercepted, it will be unreadable to any authorized party. This cryptographic structure also enhances the protection of data records, making it almost impossible to delete or alter records.
Decentralized Storage: Blockchain distributes and stores data across a network of servers, rather than on a single server. This helps to secure data and prevents a single point of failure or system compromise.
Verified Identity Management: Blockchain provides unique digital IDs for IoT devices that the system can then easily identify, track, and verify. This reduces the risk of cyberattacks that impersonate or spoof devices.

Blockchain can help improve the efficiency and security performance of IoT devices and significantly reduce the costs associated with a data breach or cyberattack. This tech tool helps to prevent botnet attacks, DDoS attacks, data breaches, device hijacking, and more.

Incorporating blockchain with cybersecurity protocols is a revolutionary approach to IoT security that can give you peace of mind as you implement “smart” technology in your home or business.

To learn more about blockchain, visit What Is My IP Address to check out our Easy Prey podcast, our blog, and to explore our cybersecurity tips.