Jortty Shield for Mozilla Firefox
Jortty quietly watches the websites you open in Mozilla Firefox and warns you — in calm, plain language — before a scam can trick you.
You’re on a real website. So how did a scam get in?
It’s called malvertising — and it happens on sites you trust every day
You’re on a news site, a recipe page, or even a government site — somewhere you’ve been dozens of times. Nothing looks wrong.
The website earns money by showing ads. Scammers pay to place their own ad — disguised as something normal, like a software update or a security warning.
The moment you click that ad — or sometimes just by it loading — Firefox is redirected to a scam page. The real website had nothing to do with it.
Before the scam page can load fully in Firefox, Jortty recognises the pattern and shows you a calm warning. You never see the scary content — just a clear explanation and a safe way back.
This is called malvertising (malicious advertising). It’s one of the most common ways scammers reach people on legitimate websites — and it’s completely invisible until it’s too late. Jortty Shield watches for it automatically in Mozilla Firefox.
Scams Jortty Shield catches in Firefox
These are the most common threats targeting Firefox users right now
Fake Tech Support
“Your computer is infected — call this number now!” Jortty blocks these scary Firefox pop-ups before they can frighten you.
Phishing & Fake Logins
Fake bank, PayPal, and government sign-in pages designed to steal your Firefox passwords. Jortty spots them instantly.
Subscription Traps
Sites that trick you into recurring charges hidden in fine print. Jortty flags them before you click anything in Firefox.
Fake Security Alerts
Pop-ups pretending to be official Mozilla or Windows security warnings. Jortty recognises the pattern and stops them cold.
See it in action
Real screenshots from Jortty Shield — this is exactly what you’ll see in Firefox
Stops scams before they can trick you
When Jortty Shield detects a fake tech-support page or phishing site in Firefox, it steps in front of the page and shows you a calm, clear warning — before you can be tricked. You’ll see exactly what the scam was trying to do, in plain English.
Quietly watching the pages you open in Firefox
Jortty Shield works silently in the background of Firefox. You don’t have to press anything — it automatically checks the websites you visit and keeps a running count of threats blocked and pages checked.
No tech skills needed — protected in moments
Install Jortty Shield from Firefox Add-ons and a friendly welcome screen walks you through exactly what it does. Three simple points, large text, no jargon. Hit Continue and you’re protected.
What Jortty Shield does in Firefox
Blocks fake tech-support pop-ups
The scary “your computer is infected, call this number” pages — stopped before they can frighten you in Firefox.
Catches phishing & fake logins
Jortty spots fake bank and sign-in pages in Firefox before you ever type your password.
Calm, clear warnings
Plain language, large text, and a safe way out — no jargon, no panic. Designed for real people.
Remembers sites you trust
Say “I’m okay with this site” once and Jortty won’t ask you again in Firefox.
How it works in Firefox
Add it to Firefox
Install Jortty Shield from Firefox Add-ons — free, in a few seconds.
Browse normally
Jortty quietly checks pages in the background of Firefox while you go about your day.
Get warned in time
If a page looks like a scam, Jortty shows a calm full-screen warning with a safe way back.
Questions, answered
Jortty Shield for Firefox is here
Free to install, and protecting you in a few seconds.