Coupang Faces $409M Fine in South Korea Over Massive Data Breach

WHO:

TechCrunch - Coupang, South Korea's largest e-commerce platform, owned by US-listed Coupang Inc.

Techmeme - South Korean regulators

WHAT:

TechCrunch - South Korean authorities issued a record-breaking fine of over $400 million following a data breach.

Techmeme - Coupang was fined $409 million for a data leak that exposed approximately 33.7 million accounts.

WHERE:

TechCrunch - South Korea

WHEN:

Techmeme - The data leak occurred in 2025.

WHY:

Techmeme - The data breach escalated into a diplomatic conflict with the US.

HOW:

Techmeme - The fine was issued by a South Korean regulator, amounting to 624.7 billion won.

(UPDATED June 11, 2026 14:26 UTC)

Coupang, South Korea's largest e-commerce platform, has been hit with a staggering fine of $409 million following a data breach that exposed approximately 33.7 million accounts. This record-breaking penalty, issued by South Korean regulators, comes in the wake of a data leak that occurred in 2025 and has escalated into a diplomatic conflict with the US. The fine, which amounts to 624.7 billion won, underscores the serious implications of data security in today's digital landscape.