# Sebastien Vachon-Desjardins

No alias recorded

Charged, Sentenced

Public record reviewed to August 20, 2026

Index entry last updated August 21, 2026

_Alleged_ NetWalker affiliate.

Every charge in this entry is an allegation. No conviction is recorded.

- NetWalker affiliate, not a core developer.

Everything on this page comes from cited public sources.

This entry records 2 actions across 1 takedown, each traced to a cited source. Every linked takedown sits in the verified core of this index. Where the record is silent, this page says so rather than filling the gap.

Legal summary

**Associated takedowns:** [NetWalker ransomware disruption](https://takedownindex.org/takedowns/netwalker-ransomware-disruption)

**Recorded role:** NetWalker affiliate

**Group segment:** Affiliate

**Charging authority:** United States Attorney's Office for the Middle District of Florida

**Charging jurisdiction:** United States

**Case number:** Not published

**Latest recorded action:** Sentenced, January 2022

**Nationality:** Canada

**Country of residence:** Canada

**Recorded sentence:** Approximately seven years imprisonment in Canada

- [Associated takedowns](https://takedownindex.org/people/sebastien-vachon-desjardins)
- [Legal history](https://takedownindex.org/people/sebastien-vachon-desjardins/legal-history)
- [Charges](https://takedownindex.org/people/sebastien-vachon-desjardins/charges)
- [Sources](https://takedownindex.org/people/sebastien-vachon-desjardins/sources)

## Associated takedowns

Law enforcement actions against infrastructure and services linked to this person, and the action recorded against the person in each one.

Outcomes and dates follow the public reporting cited on the sources tab and are subject to revision.

2 recorded actions across 1 takedown

| Date | Takedown | Target | Connection | Outcome |
| --- | --- | --- | --- | --- |
| December 1, 2020, [Source [1]](https://takedownindex.org/people/sebastien-vachon-desjardins/sources#source-1) | [NetWalker ransomware disruption](https://takedownindex.org/takedowns/netwalker-ransomware-disruption), Ransomware | NetWalker | NetWalker affiliate | Charged. Charges unsealed with the January 2021 announcement. Exact filing date not established in this pass. |
| January 1, 2022, [Source [1]](https://takedownindex.org/people/sebastien-vachon-desjardins/sources#source-1) | [NetWalker ransomware disruption](https://takedownindex.org/takedowns/netwalker-ransomware-disruption), Ransomware | NetWalker | NetWalker affiliate | Sentenced. Sentenced in Canada following guilty pleas. Exact date not established in this pass. |