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Medium

International Law Enforcement Dismantles Major Cybercrime Forum LeakBase

A coordinated international law enforcement operation, led by the U.S.

Key points

  • International law enforcement, including the U.S. DOJ and Europol, dismantled LeakBase.
  • LeakBase was a major online forum for trading stolen data and cybercrime tools.
  • Enforcement actions began on March 3, 2026, across 14 countries.

Connected intelligence

Signal brief

Follow the organization, likely method and potential impact to explore connected Shadow Tier intelligence.

02

Likely method

Explore attack patterns

Threat source not confirmed

03

Potential impact

Data Exposure

Impact remains under assessment

Published
Mar 3, 2026
Updated
Jun 25, 2026
Confidence
Medium
Evidence
2 sources

Structured assessment

Signal analysis

Structured signal analysis is not available for this incident yet. It will appear here when enough industry or incident-pattern metadata is available.

Quick context

Questions about this signal

What happened in this signal?

A coordinated international law enforcement operation, led by the U.S. Department of Justice and Europol, dismantled LeakBase, one of the world's largest online forums for trading stolen data and cybercrime tools. Enforcement actions, including arrests and house searches, began on March 3, 2026, across 14 countries. The forum, active since 2021, had over 142,000 members and facilitated the sale of leaked databases, including credit card numbers, banking information, usernames, and passwords. The operation seized LeakBase's data and domains, replacing them with law enforcement splash pages.

When was this signal reported?

Shadow Tier lists Mar 3, 2026 as the signal date.

Which organization is connected to this signal?

Leakbase is the organization connected to this public signal.

Explore Leakbase
Which impact area is relevant?

This signal is connected to data exposure and breach intelligence based on its reported consequences.

Explore data exposure and breach intelligence