And the cursor, for once, just smiles.

The Paradox of Unrestricted Access: Analyzing the “Unblocket” Paradigm in Digital Censorship Circumvention

Many users, particularly students seeking to bypass school firewalls, utilize free web-based proxies (often explicitly branding themselves as "unblockers"). This creates a significant security vulnerability. The operators of these free services must monetize their bandwidth; often, this is achieved through the collection and sale of user data, injection of malware, or tracking cookies. Thus, the user achieves freedom from the filter but subjects themselves to surveillance by the proxy operator.