"They're gobbling up everything they can learn about you and trying to monetize it. We think that's wrong," Cook said Monday in a speech at the EPIC Champions of Freedom event in Washington, according to the website.
Read MoreUS surveillance is sharply limited
Cook added he believes consumers should not "ever have to trade it for a service you think is free but actually comes at a very high cost. This is especially true now that we're storing data about our health, our finances and our homes on our devices."
He also addressed the government's attempts to obtain a "master key" that would allow agencies to access consumer devices, the report added.
"We think this is incredibly dangerous," he said. "If you put a key under the mat for the cops, a burglar can find it, too. Criminals are using every technology tool at their disposal to hack into people's accounts. If they know there's a key hidden somewhere, they won't stop until they find it."
Data privacy and cybersecurity has been a hot-button topic recently, as several companies and government agencies have been victims of data breaches, compromising the personal data of millions of people.
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