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Description
Scan your installed extensions against Extuno threat intelligence, flag malicious and risky ones, and run live deep scans. Extuno Browser Threat Protection audits the extensions installed in your browser and blocks malicious sites, phishing, trackers, and crypto-miners before they load. One install gives you two layers of defense: a browser extension security scanner and a real-time web protection suite. Browser extensions ask for deep access to your tabs, your cookies, and the pages you visit, and a trusted extension can turn malicious through a later update. Extuno checks what is actually installed, flags anything malicious or risky with a clear verdict, and lets you run a free deep scan that reads an extension's real code. WHAT EXTUNO DOES - Scans every extension installed in your browser and flags malicious or risky ones, with a plain verdict and the reason. - Checks each extension against Extuno threat intelligence and a catalog of known-malicious extensions. - Runs a free, on-demand deep scan of any extension and saves the full report to your optional Extuno account. - Re-checks new and updated extensions automatically, so a clean extension that turns malicious after an update does not slip by. HOW EXTUNO ANALYZES AN EXTENSION Every deep scan runs three independent layers: - Static analysis: reads the extension's code without running it, using 1,100+ detection rules for malware behavior, leaked secrets and API keys, dangerous permissions, and obfuscation. - Dynamic analysis: runs the extension in an isolated, network-segmented sandbox and records what it actually does - the endpoints it contacts, the data it sends, and the browser APIs it calls. - AI code analysis: reads the full source, correlates behavior across versions, and explains why each finding is dangerous. Every finding carries evidence: the file, the line, the reason, and the recommended action. WEB PROTECTION (real-time, on every page) - Network protection: blocks known malicious domains and IP addresses, trackers, and mining hosts. - Deceptive sites: warns you before a look-alike or fraudulent site loads. - Phishing protection: detects credential-stealing pages, fake login forms, and fake wallet prompts. - Download protection: stops dangerous downloads such as executables disguised as documents. - Scripts and miners: blocks in-page cryptojacking and card-skimming scripts. Each layer can be turned on or off, and you can pause protection for a few minutes whenever you need to. WHY UPDATE-CHANNEL CHECKS MATTER Most extensions are reviewed once, at install. Extuno treats every new version as something to re-check, because the dangerous version of an extension is usually the update, not the first release. This is how supply-chain attacks reach users who installed something safe months ago. PRIVACY BY DESIGN - Extuno never reads the files of your other extensions and never disables or removes them on its own. - A deep scan uploads zero files from your device. Extuno fetches the published package by its store id on the server side. - Only an anonymous device identifier is used. Connecting an account is optional. FREE TO USE Install and protect your browser for free. Connect an optional Extuno account to save your deep-scan reports and view the full static, dynamic, and AI results at extuno.com. Extuno - browser extension security and web threat protection, with evidence on every finding.