If you suspect an extension is logging your keystrokes, here is how to verify and protect yourself.
Most users click “Add extension” without reading that line. That single click grants the keylogger full legal access.
or directly to an email address controlled by the developer. Common Use Cases A Study on Malicious Browser Extensions in 2025 - arXiv
A legitimate extension will have a privacy policy, will not exfiltrate data to unknown servers, and will not hide its functionality.
Modern websites (Gmail, Outlook, Facebook) use React, Angular, or Vue. They do not use traditional <input> tags constantly. Instead, they manipulate the Shadow DOM. An advanced keylogger extension will attach MutationObserver to watch for dynamically added input fields and re-attach listeners.
If you suspect an extension is logging your keystrokes, here is how to verify and protect yourself.
Most users click “Add extension” without reading that line. That single click grants the keylogger full legal access. keylogger chrome extension work
or directly to an email address controlled by the developer. Common Use Cases A Study on Malicious Browser Extensions in 2025 - arXiv If you suspect an extension is logging your
A legitimate extension will have a privacy policy, will not exfiltrate data to unknown servers, and will not hide its functionality. Facebook) use React
Modern websites (Gmail, Outlook, Facebook) use React, Angular, or Vue. They do not use traditional <input> tags constantly. Instead, they manipulate the Shadow DOM. An advanced keylogger extension will attach MutationObserver to watch for dynamically added input fields and re-attach listeners.