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Data Leak Alert: 24 GB From SquareYards, Sumo, Stashfin

ID: 640537df-c3da-587a-86a4-efec4f6a8d8d

STIX ID: report--640537df-c3da-587a-86a4-efec4f6a8d8d

Feed Name: Cyble Blog

Threat Score
70/100

Date Published: 2025-05-09

Date Updated: 2026-07-16

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Cyble researchers identified and acquired a ~24 GB data leak (early 2020) allegedly conducted by an actor called 'South Korea'/'John Wick' impacting SquareYards, Sumo Payroll, and Stashfin; exposed data include customer and employee PII (names, addresses, DOB, PAN, Aadhaar, bank details, salary slips) and the findings were shared with CERT-India and indexed on Cyble's breach monitoring platform.

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