The Pennsylvania BizHWY Breach Means Someone Could Already Have Your Business Login

HEROIC analysts identified the Pennsylvania BizHWY breach while monitoring dark web forums for datasets tied to U.S. business directory platforms. The breach occured in August 2018 and affected 164,990 unique records from the free online business directory operating at pennsylvania.bizhwy.com. What made this dataset particularly striking was the mixed credential storage: some passwords were stored as SHA-512 hashes while others were retained in plaintext, suggesting inconsistent security practices across the platform's user base and giving attackers immediate access to a portion of the credentials without any cracking effort required.

How Attackers Exploit Mixed Plaintext and Hashed Passwords From Pennsylvania BizHWY

Having both plaintext passwords and SHA-512 hashes in a single dataset gives attackers a two-track approach. The plaintext credentials are accessable immediately and can be tested against other platforms within hours. The SHA-512 hashed passwords, while more resistant to cracking than MD5, are still susceptible to dictionary attacks when users chose common or simple passwords. Combined with 164,990 real email addresses, this dataset provides a substantial launching pad for credential stuffing campaigns targeting small business owners and professionals registered in Pennsylvania.

What Was Exposed in the Pennsylvania BizHWY Breach

• Email Address
• Password Hash (SHA-512)
• Plaintext Password

Why Business Directory Breaches Create Real-World Financial Risk

Users of business directory platforms often register with professional email addresses tied to their business operations. When those credentials are leaked, the risk extends beyond seperate personal accounts. Attackers can use the exposed email addresses to send targeted phishing messages to business owners, attempt to access business banking portals, take over associated Google Business or social media profiles, or commit identity fraud using the business owner's contact details. Financial fraud and account takeover become more probable when the victim's professional identity is also compromised.

How a Database Breach Works

A database breach occurs when an attacker gains unauthorized access to a web application's backend data store, typically by exploiting SQL injection vulnerabilities, using compromised credentials, or taking advantage of exposed administrative interfaces. The attacker exports the user table, capturing everything stored there. In Pennsylvania BizHWY's case, the inconsistent storage of plaintext and hashed passwords in the same database suggests the platform may have migrated between security approaches without fully enforcing the more secure method across all accounts.

Check If Your Data Was Exposed

HEROIC's free breach scanner searches more than 400 billion records, including data from the Pennsylvania BizHWY breach, to instantly tell you whether your email address has appeared in this or any other known data leak. Run a free scan at HEROIC and secure your accounts before someone uses your business credentials against you.