Realtime Database Insecure Rules

 Realtime Database Insecure Rules 

{

  "rules": {

    ".read": true,

    ".write": true

  }

}

secure Rules  Will be:

{

  "rules": {

    ".read": "auth.uid !=null",

    ".write": "auth.uid !=null",

  }

}

Your security rules are defined as public, so anyone can steal, modify, or delete data in your database

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