The Payment Card Industry Data Security Standard (PCI DSS) is a set of security standards designed to ensure that all companies that accept, process, store or transmit credit card information maintain a secure environment. The main considerations of the PCI DSS are:

1. Building and Maintaining a Secure Network: This includes requirements for firewalls, secure routers, and secure wireless networks.
2. Protecting Cardholder Data: This involves securely storing, transmitting, and processing credit card data, including requirements for secure passwords and encryption.
3. Maintaining a Vulnerability Management Program: This requires regular security updates and a process for identifying and addressing vulnerabilities in a timely manner.
4. Implementing Strong Access Control Measures: This involves limiting access to credit card data based on the principle of least privilege and regularly monitoring and testing security systems and processes.
5. Regularly Monitoring and Testing Networks: This requires the use of intrusion detection systems and regular security scans to identify security issues and vulnerabilities.
6. Maintaining an Information Security Policy: This involves documenting security policies and procedures and providing regular security awareness training to employees.
7. Regularly Monitoring Compliance: Organizations must regularly assess their compliance with the PCI DSS requirements and maintain documentation of their compliance efforts.

It is important for organizations that handle credit card information to understand and comply with the PCI DSS requirements in order to ensure the protection of sensitive payment card information.