1The company faced severe penalties for conducting unauthorized experiments on human subjects.
2Is it true that the government has been monitoring citizens' online activities without their knowledge or consent, essentially engaging in unauthorized surveillance?
3Unauthorized access to the database resulted in a significant data breach, compromising sensitive client information.
4Do not attempt to make any unauthorized changes to the software, as this may void the warranty or cause system instability.
5The artist's unauthorized use of copyrighted material in her latest sculpture has sparked a heated debate about intellectual property rights.