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Question

Question
A security analyst for a smart home devices manufacturer works on tasks to improve the security of a new line of IoT (Internet of Things) devices. These devices require robust security measures to prevent unauthorized access and protect user privacy. What security measure should manufacturers implement to ensure IoT devices have strong initial credentials?

Answer 1

To ensure IoT devices have strong initial credentials, manufacturers should implement the following security measures:

1. Unique Default Credentials: Each device should be shipped with unique default usernames and passwords instead of a universal set. This prevents mass attacks on devices.

2. Strong Password Policies: Default credentials should adhere to a strong password policy, requiring a combination of upper and lowercase letters, numbers, and special characters to create complex initial passwords.

3. Password Change on First Use: Devices should mandate users to change the default password during the initial setup. This ensures that the pre-configured credentials are replaced with a unique password chosen by the user.

4. Secure Credential Generation: Use a secure method for generating initial credentials, such as cryptographic algorithms, to create passwords that are difficult to guess.

5. Two-Factor Authentication (2FA): Where feasible, devices should support 2FA, requiring a second form of verification in addition to the password. This adds an extra layer of security.

6. Zeroing Default Credentials: After the device is initialized and set up, ensure that the original default credentials are securely removed or disabled, preventing any potential exploitation.

7. User Education: Provide clear instructions and recommendations for users on creating strong passwords and securing their devices during installation.

By incorporating these security measures, manufacturers can significantly strengthen the initial credentials of IoT devices, thereby enhancing their overall security posture.