GreerGuard

Blocks scam pages, fake logins, cryptojacking, and browser traps before they can harm you.

GreerGuard - Scam & Phishing Protection GreerGuard protects you from browser-based attacks in real time. When a dangerous page is detected, it's blocked before it can trick or harm you. What it blocks: Browser traps — pages that force fullscreen, hide your cursor, or lock scrolling to make it look like your computer is taken over Fake login pages — sites impersonating Google, Microsoft, banks, or other services to steal your password Cryptojacking — scripts that secretly use your CPU to mine cryptocurrency Clipboard hijacking — pages that replace copied content (like wallet addresses) with attacker-controlled values Suspicious notification requests — sites using high-risk domains to bait you into enabling push notifications Additional features: Extension audit — flags other installed extensions with risky permissions or non-Store installs Redirect chain detection — surfaces multi-hop redirect chains, a common phishing delivery method Site audit — on-demand scan of any page's CSS tricks, permissions, scripts, and overlays Trust list — permanently whitelist sites you control so they're never flagged History — a full log of every blocked and flagged event Sync — link to the GreerGuard Android app to see browser threats alongside your mobile protection history The extension is always free.