# IsPwned ?

> Display a warning when a website has know breaches. Let you enter a login to know if one of your data is concern by a breach. This is based on the data of https://haveibeenpwned.com. See also : https://github.com/Yoshyn/IsPwned

Canonical page: [https://chrome-stats.com/d/ispwned](https://chrome-stats.com/d/ispwned)

## Overview

- **ID:** `ispwned`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Yoshyn
- **Category:** privacy-security
- **Daily users:** 4
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 0.2resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-12-27
- **Size:** 34 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ispwned/)
- **Website:** [https://github.com/Yoshyn/IsPwned/issues](https://github.com/Yoshyn/IsPwned/issues)

## Description

IsPwned ? is a Firefox add-on that alerts you when a website has known security breaches. It also allows you to enter your login to check if any of your data has been compromised based on the data from haveibeenpwned.com.

## Rankings

- #48,376 — Overall

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `https://haveibeenpwned.com/api/breaches`
- `notifications`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/ispwned)