Libertarians do not oppose non-destructive hacking. Limiting the hacker's right to surf the internet would be damaging to the hacker's rights. Destructive hacking would be opposed because it damages the right of another. Encryption is not favored by libertarians as it limits freedom of information. The use of hacking techniques by security experts or the government is to catch intruders is unethical.
Libertarians oppose the authoritative control of the internet.
They oppose a national privacy agenda and a government agency to monitor information privacy. Collection of information on corporate or government databases is considered unethical in accordance with this framework. Databases create opportunities for misuse of private information.