1
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currently linked to this company
Company intelligence
Nifty cybersecurity incidents and threat signals
nifty.com
This company page brings together public reporting currently associated with Nifty. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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Last 28 days
recent published signals
1
Last 90 days
recent published signals
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June 29, 2026
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most recent published signal
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All published signals involving Nifty
NIFTY Corporation Affected by KDDI Corporation Data Breach
NIFTY Corporation, a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. NIFTY Corporation customers' email addresses and passwords may have been compromised.
FAQ
Questions about Nifty cybersecurity reporting
What does the Nifty page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Nifty.
Does every mention of Nifty appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.