# Threema

We have not found a subprocessor list published by Threema. We monitor 5 of its documents, which we last checked on 2026-11-11.

Threema (threema.ch): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/threema
- Documents last verified: 2026-11-11
- Transparency rating: 42/100 (how much it publishes, not how secure it is): Subprocessor list 0/30 (not found); Processing locations 0/8 (no list); Purposes 0/7 (no list); Data processing addendum 12/12; Trust center 0/8 (not found); Privacy policy 6/6; security.txt 6/6; Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Cite as: Threema, Third Party Index, https://thirdpartyindex.com/vendors/threema (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Data processing addendum | https://threema.com/en/dpa | 2026-11-11 | 2026-11-11 |
| Privacy policy | https://threema.com/en/why-threema/privacy | 2026-11-11 | 2026-09-21 |
| Security page | https://threema.com/en/why-threema/security | 2026-11-11 | 2026-09-21 |
| security.txt | https://threema.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 |
| Status page | https://status.threema.ch/ | 2026-11-11 | 2026-10-28 |

## Subprocessors (0)

No subprocessor list has been found or read for this vendor.

## Web Technologies

Threema's homepage made 157 requests to 2 domains. Loaded on 2026-10-12 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

### First party (1)

- Threema: 157 requests to threema.com, threema.ch; Alpine.js 3.15.11, Bootstrap 7, HSTS, Laravel, Livewire, Matomo Analytics, Nginx, Open Graph, PHP

## Subprocessor of (0)

No tracked vendor lists it.

## Security contact

From its security.txt (https://threema.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/1459)):

- Contact: mailto:security2026@threema.ch
- Contact: https://threema.id/*SECURIT
- Encryption key: https://threema.com/security.asc
- Security jobs: https://new.career.threema.com/
- Languages: en, de
- Valid until 2026-12-31

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api