B2B USA Businesses Data Breach

What Happened

In mid-2017, a spam list of over 105 million individuals in corporate America was discovered online. Referred to as "B2B USA Businesses", the list categorised email addresses by employer, providing information on individuals' job titles plus their work phone numbers and physical addresses. Read more about spam lists in HIBP.

Compromised Data

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Breach Overview

  • Affected Addresses:

    105.1M

  • Breach Occurred:

    July 2017

  • Added to HIBP:

    18 Jul 2017

Recommended Actions

Change Your Password

If you haven’t already changed the password affected by this breach, do so immediately on every account where it was used.

Enable Two-Factor Authentication

Wherever 2FA is supported, add an extra layer of security to your account.

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1Password

Use a password manager to generate and store strong, unique passwords for all your accounts. 1Password helps protect your data with industry-leading security.

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Sponsored
Aura

Get Aura for identity theft and credit protection. Keep your assets safe with fast fraud alerts, instant credit lock, and $1,000,000 identity theft insurance. Speak to a U.S. based fraud specialist 24/7.

Try Aura
Sponsored
Guardio

Trusted by 1.5 million paying customers. Guardio blocks scam calls, texts, emails and websites, and helps you close security gaps in your accounts, so you can go about your day with more peace of mind.

Try Guardio