Imagine driving a car and suddenly getting out of control - the radio roars, the wiper swaying, the steering wheel uncontrolled, the brakes fail... Wired magazine hired a person to demonstrate that the connected vehicle was vulnerable to security Professional hackers have implemented attacks. However, this is not an alarmist media gimmick. The security of connected vehicles is indeed a very serious issue. Recently, some brand cars have been exposed to software vulnerabilities, and hackers can remotely control the various functions of the car by drilling holes. A brand also announced the recall of 1.4 million cars with software vulnerabilities in the United States, which became the first major recall in the history of the automotive industry due to hacker hidden dangers.
The Internet of Everything brings great convenience to our lives: increasing productivity, saving time and costs, and experiencing richer services make our lives easier. However, when IP connectivity technology continues to be used in vehicles, homes, and cities, digital security issues are often overlooked. According to a survey by VDC Research, almost 70% of original equipment manufacturers consider security issues to be the focus of design, but only 30% say they improve security in terms of people, processes and tools. Fortunately, this trend is changing.
No one will build a house on a beach without a foundation. Similarly, automakers, developers, and original equipment manufacturers are realizing that a secure, intelligent architecture that helps build trust on devices, data, networks, and ecosystems is the foundation of connected device design. Security design enhances our trust in the connected world and supports a secure, sustainable and successful IoT ecosystem.
Because cars running software and other hardware can be a source of potential threats, automotive and industrial IoT developers need to intelligently handle connections like IT system integrators. However, the automotive industry can gain experience from a variety of sensitive industries, such as the banking and medical industries that have used digital security technology for decades. Proven best practices include:
Design safety
Security issues must be taken into account in the initial stages of development – ​​this is critical to building success and trust. The security of the hardware and software layers needs to be considered at the beginning of the design, not after the fact.
Risk assessment
Developers need to know and understand all potential system vulnerabilities. Early comprehensive risk assessments were critical to the security architecture of the entire connected device ecosystem, and the entire connected device ecosystem protected the device by establishing the connected hardware components to the software running the device to the communication channel it uses. Network and data in sleep and active state.
End-to-end trust points and countermeasures
Developers should follow several guidelines for implementing end-to-end trust points and countermeasures to reduce threats:
1) Protect the device with tamper-resistant hardware and software. For example, embedded security chips add a layer of physical and digital protection against foreign intrusions and store credentials and data on proprietary security platforms.
2) Encrypt and electronically sign the operating software to defend against attacks. Encryption software cannot be used without a key, and electronic signatures ensure that only verified software can run on IoT devices.
3) Implement strong authentication and encryption solutions to ensure that only authorized personnel and applications can access the IoT infrastructure.
4) Securely and efficiently manage encryption keys to protect data and manage access to interconnected systems.
Lifecycle management
Like laptops and desktops, car interconnect systems and IoT devices need to be protected from attack during the life cycle—that is, 10 to 15 years. Automakers and developers need to design on an interoperable, specialized platform to deploy security updates and launch new applications without affecting other embedded software.
In this era of Internet of Everything, cyber attacks are inevitable, and building trust is essential. The key to success is the design of the security architecture at the beginning of development, protecting the entire trusted ecosystem—from edge to core—and protecting what really matters when and where it is needed.
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