International agency release

# New major interventions to block encrypted communications of criminal networks

Europol, March 10, 2021. Sky ECC monitoring, user and message scale, Belgian action day.

**Source type:** International agency release

**Published:** March 10, 2021

**Research grade:** P2

**Used in entries:** 7

## Bibliographic record

**Publisher:** Europol

**Published:** March 10, 2021

**Source type:** International agency release

**Research grade:** Source grade P2

**Language:** English

**Official record:** Official publication

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

**What it supports:** Sky ECC monitoring, user and message scale, Belgian action day

**Dataset id:** src\_europol\_skyecc\_2021

## Research notes

- URL not re-verified in this pass.

How this source is used

Cited 7 times across 4 record types.

The role on each citation records what the source was relied on for. A primary source establishes the fact, a supporting source corroborates it, technical evidence describes the infrastructure, and a later outcome records what happened afterwards.

Sources were reviewed to a research cutoff of August 20, 2026. Addresses recorded after that date are not reflected here.

## Cited by

### Takedown records

1 citation

Cited on the takedown record itself.

-
[Sky ECC interception and action day](https://takedownindex.org/takedowns/sky-ecc-interception-and-action-day)

Criminal communications, February 2021

Primary source

### Organization roles

3 citations

Cited for an organization's recorded role in a takedown.

-
[Belgian Federal Police](https://takedownindex.org/takedowns/sky-ecc-interception-and-action-day)

Co-lead, Sky ECC interception and action day

Primary source
-
[Politie (Netherlands National Police)](https://takedownindex.org/takedowns/sky-ecc-interception-and-action-day)

Co-lead, Sky ECC interception and action day

Primary source
-
[European Union Agency for Law Enforcement Cooperation](https://takedownindex.org/takedowns/sky-ecc-interception-and-action-day)

Coordinator, Sky ECC interception and action day

Primary source

### Infrastructure

2 citations

Cited for infrastructure recorded as acted on.

-
[Command and control server](https://takedownindex.org/takedowns/sky-ecc-interception-and-action-day)

Command and control server taken over, Sky ECC interception and action day

Primary source
-
[approximately 70,000 user accounts](https://takedownindex.org/takedowns/sky-ecc-interception-and-action-day)

User accounts searched, Sky ECC interception and action day

Primary source

### Excluded candidates

1 citation

Cited for a candidate event assessed and left out of the index.

-
Sky Global chief executive US indictment

Indictment only. Not merged into td\_2021\_sky\_ecc, which records the separate infrastructure and interception action.

Primary source

[All sources](https://takedownindex.org/sources)
