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What are the best practices for securing infotainment and navigation systems?

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Infotainment and navigation systems are essential features of modern vehicles, providing entertainment, convenience, and safety for drivers and passengers. However, they also pose significant cybersecurity risks, as they are connected to the internet, the vehicle's network, and external devices. Hackers can exploit vulnerabilities in these systems to steal personal data, manipulate vehicle functions, or cause accidents. Therefore, it is crucial for automotive manufacturers to follow the best practices for securing infotainment and navigation systems. Here are some of the key steps to take.

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Juan Ignacio Torres Durán, CISA, CRISC

Director & Principal Consultant | Identity Governance, Risk Management, Cloud Security

1 Update software regularly

One of the most important ways to protect infotainment and navigation systems from cyberattacks is to keep the software up to date. Software updates can fix bugs, patch security holes, and improve performance. Automotive manufacturers should implement a secure and reliable process for delivering over-the-air (OTA) updates to the systems, without compromising the user experience or the vehicle's functionality. OTA updates can reduce the need for physical visits to dealerships, save time and costs, and enhance customer satisfaction.

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2 Isolate critical systems

Another best practice for securing infotainment and navigation systems is to isolate them from the critical systems of the vehicle, such as the engine, brakes, or steering. This can prevent hackers from gaining access to the vital functions of the vehicle through the infotainment and navigation systems. Automotive manufacturers should use separate hardware and software architectures, communication protocols, and encryption methods for the different systems. They should also implement firewalls, gateways, and intrusion detection systems to monitor and block unauthorized traffic between the systems.

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3 Encrypt data and communications

Infotainment and navigation systems handle a lot of sensitive data, such as personal information, location history, media files, and payment details. They also communicate with the internet, the vehicle's network, and external devices, such as smartphones, USB drives, or Wi-Fi hotspots. To protect this data and communications from eavesdropping, tampering, or theft, automotive manufacturers should use strong encryption techniques. Encryption can scramble the data and communications into unreadable codes that can only be decrypted by authorized parties with the correct keys.

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4 Authenticate devices and users

Another way to secure infotainment and navigation systems is to authenticate the devices and users that interact with them. Authentication can verify the identity and legitimacy of the devices and users, and prevent unauthorized access or misuse. Automotive manufacturers should use multifactor authentication methods, such as passwords, PINs, biometrics, or tokens, to ensure that only the owner or authorized users can access the infotainment and navigation systems. They should also use certificates, signatures, or tokens to ensure that only trusted devices can connect to the systems.

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Juan Ignacio Torres Durán, CISA, CRISC

Director & Principal Consultant | Identity Governance, Risk Management, Cloud Security
举报内容
Don’t forget to implement the right policy based access controls. There may be the right times when it is appropriate to execute an action or not. Or a request that should come from an specific network or device. Or some action that require contextual approval by the owner of the vehicle or by the driver or even the passengers.

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5 Educate customers and employees

Finally, one of the best practices for securing infotainment and navigation systems is to educate the customers and employees about the cybersecurity risks and responsibilities. Customers should be aware of the potential threats and how to protect their data and devices, such as by using strong passwords, updating software, avoiding suspicious links or attachments, and reporting any incidents or anomalies. Employees should be trained on the security policies and procedures, such as by following the development standards, testing the systems, reporting the vulnerabilities, and applying the patches.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Juan Ignacio Torres Durán, CISA, CRISC

Director & Principal Consultant | Identity Governance, Risk Management, Cloud Security
举报内容
Not only authentication is important, but also AUTHORIZATION. Don’t forget to implement the right policy based access controls. There may be the right times when it is appropriate to execute an action or not. Or a request that should come from an specific network or device. Or some action that require contextual approval by the owner of the vehicle or by the driver or even the passengers.

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What are the best practices for securing infotainment and navigation systems?

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1 Update software regularly

2 Isolate critical systems

3 Encrypt data and communications

4 Authenticate devices and users

5 Educate customers and employees

6 Here’s what else to consider

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