Extend cybersecurity to the interconnected edge
The development of smartphones has ushered in a new trend of connected devices that not only perform some form of computation and decision-making, but also change the way we relate to the world around us. These devices are interconnected via the web and cloud services, making it easy to obtain and share information. To meet market demands, the number of connected devices has proliferated, aiming to change and innovate the way we connect seamlessly with the world. This trend is changing how we connect with cars and factories, but it also exposes industry integrators to new cybersecurity challenges. In these markets, higher operational reliability is required, which means unique cybersecurity challenges when scaling the interconnected edge.
For example, the car is no longer just a means of transportation that takes us from point A to point B. It's becoming a platform that offers us new ways to interact with the world and improve our quality of life. This is achieved through connectivity and data sharing, such as how to optimize battery performance or update navigation based on environmental changes. Automotive platforms are becoming a way to connect and integrate services, much like the smartphone trend, requiring near-absolute security, integrity and accessibility in this environment.
Industrial markets are also undergoing dramatic changes as advances in new technologies serve as catalysts for increased productivity. The need to increase productivity is changing the way we interoperate and interact with factories. The need to interact with factories in a more intuitive and seamless way is driving the next industrial revolution. With the development wave of Industry 4.0, the demand for connectivity and access to factories is increasing day by day. Edge devices need to be more powerful as analytics work further migrates to the edge and the ever-increasing demands for functionality, autonomy and connectivity. Data links between factory equipment and traditional field connection points must also become stronger; to increase cloud visibility and control. In an industry recognized to focus on stability and availability, the need for flexibility is also increasing.
In order to interact with the world around us in a more intuitive and seamless way, new features and technologies need to be continuously introduced. However, at the same time, security requirements are bound to arise. Cybersecurity is a major consideration for segments that require high reliability and security. People with malicious intent (often called bad guys) may be inside or outside of an organization's system, and their motivations may vary. Threats to connected devices exist both across the network and in physical access. Cybersecurity measures for these edge devices are required to effectively address such threats.
Analog Devices connects the physical and digital worlds with analog-to-digital conversion solutions. Analog Devices is uniquely positioned in the marketplace to drive cybersecurity further to the edge where data is built. By making the data downstream of the signal chain more credible, users can be confident that the data is accurate and reliable, so that they can make decisions based on this data with confidence. Cybersecurity is an important part of ADI's corporate strategy, not only because it is essential in our markets, but because it is the catalyst that supports our customer systems and adds value to sensor information. Ultimately, our customers care about trusted data. This means that the accuracy of the measurements and the integrity of the data must be determined.
Why cybersecurity is hard to understand
Cybersecurity is not always easy to understand because it is an ever-changing, complex issue that is a consideration at every point in the life cycle of a system or device. Security is a system solution, and a system is only as secure as its weakest link. Today, there are a large number of cyberattacks, and as systems become more sophisticated, so do more successful attacks.
There are many examples of weak links leading to system vulnerabilities. In 2016, car keys for an entire fleet were cracked, as only four root keys have been used in the past 20 years. In 2011, high-security identity tokens were compromised by capturing production artifacts created and stored on the factory floor. In 2017, hackers infiltrated a car's operating system via a cellular link, allowing them to remotely update the operating system and rewrite programs. The Heartbleed OpenSSL buffer read vulnerability leaves 200,000 active servers and devices vulnerable and remains unable to receive security updates. Absolute security will never be achieved, further illustrating why cybersecurity is difficult to understand. As new vulnerabilities are discovered and hackers adopt new methods of attacking devices, devices and systems must be continuously updated to adapt to changing security requirements.
The ever-changing landscape of cybersecurity and its complexity makes this issue even more difficult to understand. The interaction of systems and devices presents a complex security problem that no single solution can address. The solution requires a secure system architecture with a defense-in-depth approach. Past methods, such as airgapped systems, do not provide adequate protection in today's connected world and still gain physical access to devices on the network. This issue needs to be addressed as early in the design cycle as possible in order to ensure security by design, with architectural and lifecycle designs that address changing and growing threats.
Reasons to implement cybersecurity at the edge
Cybersecurity has traditionally been considered an IT issue that requires well-implemented network protocols, operating system and application protocols, firewalls, malware protection, and other solutions designed to protect against cyberattacks. However, it is not always possible to reach unilateral agreement on what constitutes the edge. For network providers, the edge is often thought of as a router, gateway, PC, tablet, or other device with advanced functionality. In industrial automation, it might be a drive that controls a pump. In today's changing environment, these edge devices are constantly changing to include more functionality and higher levels of connectivity. The system's risk assessment has also changed. Some devices may not have required cybersecurity before, and if they are not properly protected against risks, they may become the weakest link in the system.
Implementing cybersecurity at the edge gives users more confidence in their data. To achieve the highest level of safety, safety design must be applied earlier in the signal chain. Ensuring the data has not been manipulated by validating the source signal provides a higher level of confidence in decisions based on that data. Leveraging existing solutions that connect the physical and digital worlds, Analog Devices is uniquely positioned to redefine the edge of security.
Complexity is the enemy of cybersecurity. For every 1,000 lines of code, just two or three coding errors provide an avenue for malicious exploitation of the system. Implementing cybersecurity at the point of least complexity provides an environment where you can better ensure that security is properly implemented. Operating securely within a secure perimeter implemented by edge devices brings the chain of trust closer to the real world. In highly complex networks, organizations and individuals must constantly update applications and configurations to protect against the latest threats. At the device level, the coverage area for security operations can be limited, making it more manageable throughout the life of the product.
Implementing cybersecurity where the real and digital worlds connect by establishing trusted data early in the signal chain provides the highest level of security. With the convergence of IT and OT, cybersecurity is no longer just an IT network issue. Devices that have not been hardened in the past need to provide a root of trust in the data, and security features need to be applied based on the system's risk assessment and constraints. Proving identity and integrity at the edge builds trust in the data earlier, leading to greater confidence that the data is accurate. Analog Devices brings unique value to customers by redefining the security edge and applying a hardware root of trust to data.
Market-adapted cybersecurity strategy
Analog Devices is a leader in precision inspection with a large market share of high-reliability equipment used to make real-time decisions. Analog Devices plays an important role in enhancing customer confidence as our customers continue to adapt to industry megatrends and strive to meet new demands in changing ways of interacting with the real world. In addition to providing technology to drive capabilities beyond what is possible, we are also grappling with issues arising from the derived needs of these advancements, and cybersecurity is our priority.
When we evaluate traditional markets, we see clear differences in how these markets view cybersecurity and the maturity to adopt security solutions. ADI has a robust portfolio of secure encryption solutions for the defense and government sector markets. Analog Devices gained cybersecurity expertise through the acquisition of SyprisElectronics. By leveraging this strong foundation in state-level encryption solutions, we are moving to adjacent markets that require high-reliability operations, and driving cybersecurity solutions further to the edge, to which ADI has historically provided precision detection technology .
Cybersecurity technologies are applicable to all markets, and Analog Devices' strategy is to effectively assess the needs of each market and apply the appropriate cybersecurity solutions to achieve a secure device architecture consistent with each application's risk assessment. It is easy to understand that in a market that must achieve high reliability operations and therefore have a more advanced cybersecurity landscape, meeting cybersecurity needs is more difficult. Our main goal is to solve industrial market problems and develop solutions that accelerate the adoption of Industry 4.0.
Analog Devices is prioritizing its cybersecurity strategy in the industrial market segment as it requires highly reliable operations, security has a significant impact on these environments, and there is a general trend for cybersecurity concerns to move further to the edge, where ADI has a significant presence share. By pushing cybersecurity to the edge, there will be an opportunity to enable more secure systems in these markets, meaning ADI's products will contribute to overall system design, reducing threat impact. Our investments in new technologies not only aim to provide security against current and future threats, but also make it easier for our customers to integrate cybersecurity at the edge by addressing the lifecycle challenges of product security Implement network security.
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