A company in France suffers a robbery over the weekend owing to a faulty alarm system. When it is determined that the break-in involves the loss of a substantial amount of data, the company decides on a CCTV system to monitor for future incidents. Company technicians install cameras in the entrance of the building, hallways and offices. Footage is recorded continuously, and is monitored by the home office in the United States. What is the most realistic step the company could take to address their security concerns and comply with the personal data processing principles set out in Article 5 of the GDPR?