Over the last few years, an organization has brought up the need to replace old systems. While the organization has made these old systems function with various workarounds, custom middleware applications, and other methods to make up for their shortcomings, it has become increasingly apparent that they need to be replaced soon.

Which of the following security concerns does the company face if they continue to use the outdated systems?

The age of the systems means they run on outdated OSs that are no longer supported, making security updates impossible to install.

The age of the systems means they use insufficient hardware, making it impossible to secure communications between them and more modern devices.

The age of the systems means they are accessible from virtually anywhere, making them vulnerable to security breaches from outside actors.

The age of the systems means they need numerous entry points from the outside, making the platforms' security impossible to configure.