Introduction:
Protection and security for an embedded system are crucial to prevent unauthorized access, data breaches, and ensure the integrity of the system. There are several measures that can be taken to enhance the security of an embedded system, but one effective method is the use of Intellectual Property Rights (IPR).

Explanation:
1. Intellectual Property Rights (IPR):
IPR refers to a legal framework that protects the rights of individuals or organizations over their creations or inventions. In the context of embedded systems, IPR can be used to protect the design, algorithms, and proprietary technology used in the system. This can be done through patents, copyrights, trademarks, or trade secrets.

Using IPR to protect an embedded system offers several advantages:

- Preventing unauthorized access: By protecting the design and technology used in the system, IPR can make it difficult for unauthorized individuals to access or replicate the system. This helps to maintain the security and confidentiality of the system.

- Deterring potential attackers: The existence of IPR can act as a deterrent to potential attackers who may be dissuaded from attempting to reverse engineer or exploit the system due to the legal consequences associated with infringing on IPR.

- Legal recourse: In the event of a security breach or unauthorized use of the system, having IPR in place provides a legal basis for taking action against the perpetrators. This can help in recovering damages, preventing further misuse, and protecting the reputation of the system.

- Competitive advantage: IPR can provide a competitive advantage by allowing the creators of the embedded system to establish their technology as unique and innovative. This can attract customers, investors, and business partners, thereby enhancing the success of the system.

Conclusion:
In conclusion, the use of Intellectual Property Rights (IPR) can significantly enhance the protection and security of an embedded system. By protecting the design, algorithms, and proprietary technology used in the system, IPR can deter potential attackers, prevent unauthorized access, provide legal recourse in case of security breaches, and offer a competitive advantage. Therefore, option 'B' is the correct answer.