Is That Chrome Extension Spying on You? How to Spot a Backdoor ‘Productivity Tool’ Browser extensions are one of the easiest ways to add functionality to Chrome—a grammar checker here, a coupon finder there, a note-taking sidebar. They promise to save time and streamline work. But that convenience comes with a catch: an extension that can read every page you visit can also steal your passwords, session cookies, or private data. Over the past year, security researchers have documented a rise in malicious Chrome extensions that masquerade as legitimate productivity tools, then siphon credentials or inject ads. For remote workers and small business owners, the risk is especially high because a single compromised browser can lead to a full account takeover—including work email, cloud storage, and financial dashboards.
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