Until then, look at your browser's extension bar. Those little icons are not tools. They are windows. And someone is looking back.
Thus, the plugin operates under a permanent state of emergency. Once installed, it can update its code silently. A benign plugin on Monday can become a keylogger on Tuesday. The user has no recourse except to notice the damage after the fact. Ironically, the most popular counter-measure—ad blockers and script blockers (uBlock Origin, NoScript)—are themselves plugins. This creates a surveillance arms race fought entirely within the browser's extension ecosystem. One plugin watches you; another plugin blocks the watcher. One plugin tracks your mouse; another randomizes your digital fingerprint. net surveillance web plugin
But this is a losing battle. The fundamental asymmetry remains: the surveillance plugin needs to succeed only once to exfiltrate your data; you need to succeed every single time to remain private. Moreover, browser vendors (Chrome, Edge) are increasingly shifting to Manifest V3, which deliberately cripples the capabilities of privacy-preserving plugins while leaving commercial surveillance plugins largely untouched. The deepest implication of the net surveillance plugin is ontological. If a plugin can rewrite any webpage in real time, then you are no longer experiencing the web; you are experiencing the plugin's curated simulation of the web. The line between the content you sought and the agent you invited blurs completely. Until then, look at your browser's extension bar