Impact & Downstream Threats
This breach carries critical risk due to the nature of exposed data fields and the scale of affected records.
- Credential stuffing against reused passwords across other platforms
- Targeted phishing campaigns using exposed email addresses
Breach Intelligence
Executive Summary
in many cases the files still held clear-text passwords or unsalted MD5 and SHA-1 hashes. Preliminary reviews by Authlogics and Have I Been Pwned confirmed a high hit-rate when testing random samples, indicating the data was largely authentic even though each individual breach remains formally “unverified.”,
, Cit0day’s operators had run a subscription model—customers paid about US $1.50 per day for on-demand credential look-ups—so the public leak effectively made a commercial underground service free, dramatically lowering the barrier for credential-stuffing and account-takeover attacks. Threat-intel firm Flare reported that , 57 percent of the leaked logins used popular free-mail domains, such as Gmail, Hotmail and Yahoo, making them attractive targets for phishing and business-email compromise.,
About Cit0day
Cit0day is an organization whose data was exposed in this breach. The dataset has been verified by ObscureIQ intelligence and indexed across breach notification platforms.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 195.4M records identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Recommended Actions
⚠️ Do not assume this is low sensitivity.
Non-clients may request a breach impact review.
Frequently Asked Questions
In November 2020, Cit0day experienced a data breach that exposed approximately 195.4M records containing personal information.
The exposed data includes fields such as email address, password.
Approximately 195.4M records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Cit0day
- Or concerned about credential reuse
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