Which action refers to the unauthorized and illegal duplication or sale of software

Piracy

Explanation:

Piracy means using the content that is already created by someone illegally.

The content of approach to technology has indicated over the years, piracy has become more spreading.

For example, CD writers are available off the shelf at very low prices, making music piracy a simple affair.

Many laws have been made to prevent privacy. The laws are created to reduce the piracy in developed countries.

Those laws are strict and punishing in nature.