Piracy.
Keywords to the question being "unauthorised" and "digital/computer setting".
Explanation:
Hydro-electric energy is not a natural resource because people use turbines to convert the energy from moving water. Abiotic resources are those that come from non-living, non-organic material. Examples of abiotic resources include land, fresh water, air, rare-earth elements, and heavy metals including ores, such as gold, iron, copper, silver, etc.
Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.
Answer
STAR
Explanation
A star is a type of astronomical object consisting of luminous spheroid of plasma held together by its own gravity. They are basically contains hydrogen and helium gas. They have a composition of 92.1% hydrogen atoms and 7.8% helium atoms.