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Report: Hacked Password Behind Compromise of 75m JPMorgan Accounts

ID: 3c30eb24-a14e-576a-873c-21fb18c00140

STIX ID: report--3c30eb24-a14e-576a-873c-21fb18c00140

Feed Name: Security Ledger

Threat Score
85/100

Date Published: 2014-10-03

Date Updated: 2026-04-26

Author: Paul Roberts

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A reported breach at JPMorgan Chase began when an employee's credentials for a web-development server were compromised, allowing attackers to move laterally across the network, access over 100 servers across business lines, and exfiltrate contact data for roughly 76 million households and 7 million small businesses; investigators suspect a Russian origin and the FBI is involved, while the bank states no account numbers or Social Security numbers appear to have been taken.

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