Leakage (noun)

1. The act or an instance of leaking, especially the unwanted escape of a fluid or gas.
2. The loss or escape of electricity or magnetic energy.
3. The escape or loss of information, especially confidential information.

Origin:

From middle english 'lekage' meaning 'a dripping'.

Examples:

1. The leakage from the damaged pipe created a puddle on the floor.
2. The leakage of toxic gas from the factory was a major environmental concern.
3. The leakage of electricity from the faulty wiring caused a fire in the house.
4. The leakage of confidential information from the company was a major security breach.
5. The leakage of secrets from the government was a source of political scandal.