The ParkMobile Data Quietly Appeared on Dark Web Forums in March 2021

HEROIC analysts found the ParkMobile breach dataset while tracking credential dumps circulating on dark web forums in March 2021. The breach exposed 11,346,569 user records from ParkMobile, a popular parking app used across the United States. The data recieved widespread distribution and included email addresses, phone numbers, password hashes, usernames, first names, last names, gender, and birthdays, making it one of the more complete PII datasets to surface from a mobile app breach that year.

Why Birthdays, Phone Numbers, and Emails Together Enable Targeted Fraud

The ParkMobile breach stands out because it combined authentication data with detailed personal identifiers. Attackers who have your email, phone number, birthday, and name can bypass identity verification systems at banks, mobile carriers, and government portals. SIM swap fraud, account takeover, and identity theft all become far easier with this data combination. The password hashes, while bcrypt-protected, can be targeted by cracking attempts that yield real credentials for credential stuffing campaigns. This breach is partcularly dangerous because the personal details make every phishing attempt far more convincing.

What Was Exposed in the ParkMobile Breach

• Email Address
• Phone Number
• Password Hash
• Username
• First Name
• Last Name
• Gender
• Birthday

Why 11 Million Records From ParkMobile Still Matter

Data from the ParkMobile breach has been recieved by multiple criminal networks and continues to circulate on breach forums years after the initial leak. With over 11 million records, this dataset has been used in credential stuffing attacks against mobility apps, corporate portals, and email services. Users who reused their ParkMobile password elsewhere remain at risk of account takeover. The combination of birthday and phone number with login data also makes affected users vulnerable to social engineering and identity fraud long after the breach occured.

How a Database Breach Works

A database breach happens when an attacker gains unauthorized access to an application's stored user data. In mobile app ecosystems, this often occurs through third-party vendor vulnerabilities, API misconfigurations, or inadequately secured cloud storage. Once attackers extract the database, they package and distribute the data through underground forums, where it is used for credential stuffing, phishing, and identity fraud campaigns.

Check If Your Data Was Exposed

HEROIC's free breach scanner searches more than 400 billion records to check whether your email appeared in the ParkMobile breach or any other known data leak. Check your exposure now at HEROIC and find out what personal data of yours may already be in the hands of attackers.