--- title: Password Data Breach description: Understand why your password was blocked and how Clearooms protects accounts from known data breaches. --- [Skip to content](https://knowledgebase.clearooms.com/password-data-breach#main-content) ![Colour Transparent](https://knowledgebase.clearooms.com/hs-fs/hubfs/Colour%20Transparent.png?width=1672&height=313&name=Colour%20Transparent.png) Open main navigation Close main navigation - [Contact us](https://2feg9n.share-eu1.hsforms.com/2LEUbrOfJTIe01qcEQusU5w) [Contact us](https://2feg9n.share-eu1.hsforms.com/2LEUbrOfJTIe01qcEQusU5w) How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://knowledgebase.clearooms.com/?hsLang=en-gb) 2. [Security](https://knowledgebase.clearooms.com/security?hsLang=en-gb) # Password Data Breach ## Explanation of Password Data Breach error message ### **Why you are seeing this password warning** The message: > **“This password has appeared in a data breach and cannot be used. Please choose a different password.”** appears because the password entered has been identified as compromised in a known public data breach.   This does **not** mean that Clearooms has suffered a data breach. It means the password being used has previously appeared in a breach of another website or service and is now publicly known within global breach datasets. As a security precaution, Clearooms prevents the use of passwords that are known to be compromised.   ### **Why Clearooms blocks these passwords:**  Clearooms enforces strong passwords and access controls as part of its security framework. As confirmed in our Security Governance documentation, Clearooms: - Enforces a formal Password Policy - Uses password managers and strong password controls internally - Enforces multi-factor authentication (MFA) across remotely accessible services - Stores Passwords using industry best-practice hashing methods Preventing the reuse of breached passwords is part of our proactive security controls designed to protect customer accounts from credential-stuffing attacks. ### **What this means for the user:** - The password entered is known to attackers from a previous, unrelated breach. - Even if it was previously used on another website, it is now considered unsafe. - Clearooms is blocking it to protect the account. ### **What the user should do** We recommend: 1. Create a **new, unique password** that has not been used elsewhere. 2. Use a password manager to generate a strong password (ideally 12–16+ characters). 3. Avoid reusing passwords across different services. 4. Enable multi-factor authentication (if not already enabled) **Reassurance:** **Clearooms is Cyber Essentials and Cyber Essentials Plus certified and operates strict security controls across its platform. 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