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Operation Bayonet

Hansa covert takeover and shutdown

June 2017, Darknet market
Led by Politie (Netherlands National Police)

Verified core entry, last reviewed August 21, 2026

What was taken down?

Full covert takeover of the marketplace; servers seized in the Netherlands, Germany, and Lithuania; user credentials and transaction data collected; site replaced with seizure notice.[1][2][3]

See what happened

What happened to the people?

Officials reported 2 apprehended.
Group accounted for: Likely complete

See people and accountability

Did it stay down?

Not established in the public record. No later activity is recorded against this entry.

See what happened afterward

Dutch National Police covertly assumed control of Hansa Market under Dutch judicial authorization and operated it for approximately one month to collect intelligence on vendors and buyers before shutting it down.[1][2][3]

Announced July 20, 2017.

Date
June 20 to July 20, 2017
Target
Hansa Market, tor hidden service marketplace
Activity
Darknet market, Fraud and stolen data
Operational lead
Dutch National Police
Partners
Europol, Dutch Public Prosecution Service, and 1 more[1][2][3]
Jurisdiction
Netherlands, Germany, Lithuania, and European Union
Outcome
Full covert takeover of the marketplace; servers seized in the Netherlands, Germany, and Lithuania; user credentials and transaction data collected; site replaced with seizure notice.
Status
Completed
Legal mechanism
Dutch judicial authorization for covert continuation of a criminal service; German arrest warrants
Group accounted for
Likely complete

Infrastructure

1 onion service taken over. Servers seized, with no count in the record.

1
onion service taken over
Identifier Recorded as Status Notes
Not published 1 onion service Taken over, Netherlands Marketplace covertly operated by Dutch police for approximately one month before shutdown.[2]
Not published Server Seized Servers seized in the Netherlands, Germany, and Lithuania.[2]

Domains and onion addresses are shown defanged. Where the record gives a count but no identifier, the count is shown in place of one. This list carries only what appears in the cited sources.

No individual is named against this entry in the cited record. That is a gap in what has been published rather than a finding that nobody was involved.

Group accounted for: Likely complete

Both publicly described administrators were arrested in Germany and the infrastructure was under police control. Names were not released by Dutch or German authorities.

Two German-national administrators publicly described as running the market.

See the organizations and roles behind this action

Two German administrators prosecuted in Germany; follow-on vendor arrests in multiple countries.[1][2][3]

Not established in the public record. No later activity is recorded against this entry.

Return class F. The class is a research grading carried in the source dataset and its scale is not published, so this page relies on the relationship and confidence values instead. How this index handles it.

Numbered markers throughout this entry link to the source that supports the claim beside them.

Official sources

  1. [1]
    Massive blow to criminal dark web activities after globally coordinated operation

    Europol, July 20, 2017, Source grade P2

    Joint AlphaBay and Hansa operation structure and coordination roles

    No address recorded for this source. Publisher, title, and date are given so it can be retrieved from the publisher.

  2. [2]
    Dutch National Police statement on the takeover and shutdown of Hansa Market

    Politie (Netherlands), July 20, 2017, Source grade P1

    Covert takeover of Hansa, duration of covert operation, server seizures, administrator arrests

    No address recorded for this source. Publisher, title, and date are given so it can be retrieved from the publisher.

Additional reporting and technical analysis

  1. [3]
    Bitdefender account of technical support to Europol EC3 on Hansa

    Bitdefender, July 20, 2017, Source grade T1

    Technical partner role in locating the Hansa infrastructure

    No address recorded for this source. Publisher, title, and date are given so it can be retrieved from the publisher.

Coverage note.
  • This is one of the clearest documented cases of covert law-enforcement operation of a seized criminal service.
  • Administrators were not publicly named, so no person records were created despite an official apprehension count of two.