Oleksandr Ieremenko‌‍‌‍‍‌‍‌‌‌‍‍‍‍‍‍‍

Ukrainian hacker who breached SEC EDGAR system in 2016

Tracked Ukrainian hacker who breached SEC EDGAR system in 2016 · 1 documented connection

Facts on record8

Connections mapped1

Sources cited8

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Stated vs Revealed

No documented contradictions on file.

PATTERN government agency → [regulatory filing] → government agen... 15× PATTERN person → [adversarial] → government agency → [regulatory ... 15× PATTERN government agency → [regulatory filing] → government agen... 8× PATTERN person → [adversarial] → government agency → [regulatory ... 8× PATTERN person → [adversarial] → government agency → [regulatory ... 4×

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Key Connections

→ Entity #391

adversarial

Hacker who breached SEC EDGAR system

Facts (8)

Data Freshness

Fresh Last update: 15d ago · Avg age: 721d

Confidence Tiers: Primary Source — cross-referenced government/corporate filings Pending Review — sourced but not independently verified AI Inference — analytical hypothesis from cross-referencing

Raw Filing Records (3) — unsourced metadata

Pending Review After October 2016 breach discovery, Ieremenko attempted to regain‌‍‌‍‍‌‍‌‌‌‍‍‍‍‍‍‍ EDGAR access in 2017 through phishing campaigns against SEC users

Date: 2017-01-01 Added: 09 Apr 2026

Pending Review Traders made transactions before at least 157 earnings releases from M‌‍‌‍‍‌‍‌‌‌‍‍‍‍‍‍‍ay to October 2016, generating at least $4.1 million in illegal profits

Date: 2016-05-01 Added: 09 Apr 2026

Pending Review Ukrainian hacker Oleksandr Ieremenko extracted test filings ‌‍‌‍‍‌‍‌‌‌‍‍‍‍‍‍‍containing nonpublic earnings information from EDGAR servers

Date: 2016-05-01 Added: 09 Apr 2026

All Connections (1)

→ Entity #391

adversarial confirmed

Hacker who breached SEC EDGAR system

Sources (8)

2026 UNVERIFIED Research: Oleksandr Ieremenko — Parliamentary records (no results) parliamentary_record Processed

2026 UNVERIFIED Research: Oleksandr Ieremenko — Court records (no results) court_document Processed

2026 UNVERIFIED Research: Oleksandr Ieremenko — Lobbying disclosures (no results) government_disclosure Processed

2026 UNVERIFIED Research: Oleksandr Ieremenko — FEC donations (no results) fec_record Processed

2026 UNVERIFIED Research: Oleksandr Ieremenko — SEC filings (no results) sec_filing Processed

2017-01-01 ↗ SEC enforcement complaint web_search Processed

2016-05-01 ↗ SEC complaint and CyberScoop reporting web_search Processed

2016-05-01 ↗ SEC enforcement action and DOJ charges web_search Processed