Nielsen is committed to protecting the security and privacy of all client and consumer information. Here you can find answers to frequently asked questions related to our security and privacy practices. Our security program is grounded in internationally recognized data protection principles, and we use a variety of security technologies and procedures to protect the client and consumer information. The security team at Nielsen is dedicated to cyber protection for Nielsen globally. The mission of the team is to protect Nielsen’s data, systems, and networks from internal and external security threats by implementing leading-edge security technologies and industry best practices in security planning, implementation, management, and operations.