Provision record
Signal · Signal Privacy Policy · View original document ↗

Contact Data Cryptographically Hashed Before Transmission

Low severity Explicit document language Common · 295 of 352 platforms
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This analysis describes what Signal's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology

Clause Stability Stable

0
Changes
3
Months Monitored
Jul 10, 2026
First Seen
Jul 10, 2026
Last Seen
This clause type exists across 4186 other provisions on other platforms.

How other platforms handle this

ZipRecruiter Medium

You may give us your Identity Data, Contact Data, Financial Data, Profile Data, and other information by filling in forms or by corresponding with us by post, phone, e-mail or otherwise.

NVIDIA NIM Medium

telemetry information collected includes: (i) microservice settings, (ii) usage data and (iii) hardware environment.

Glassdoor Medium

Some of our ad partners may also enable us to collect similar data directly from their website or app by integrating our or our affiliates' advertising technology.

See all platforms with this clause type →
▸ View Original Clause Language DOCUMENT RECORD
"
Information from the contacts on your device may be cryptographically hashed and transmitted to the server in order to determine which of your contacts are registered.

Excerpt from Signal's Privacy Policy

Applicable regulations

Connecticut Data Privacy Act Amendments
US-CT
ePrivacy Directive
European Union
FTC Act Section 5
United States Federal
GDPR
European Union
Indiana Consumer Data Protection Act
US-IN
Kentucky Consumer Data Protection Act
US-KY
Universal Opt-Out Mechanism Expansion 2026
US

Provision details

Document information
Document
Signal Privacy Policy
Entity
Signal
Document last updated
May 5, 2026
Tracking information
First tracked
April 18, 2026
Last verified
May 10, 2026
Record ID
CA-P-038125
Document ID
CA-D-00305
Evidence Provenance
Source URL
Wayback Machine
Content hash (SHA-256)
c987bd00ea1fa41c8839b08b6e171831f324f37a5caf9a73223693d82c3902da
Analysis generated
April 18, 2026 11:58 UTC
Methodology
Evidence
✓ Snapshot stored   ✓ Hash verified
Citation Record
Entity: Signal
Document: Signal Privacy Policy
Record ID: CA-P-038125
Captured: 2026-04-18 11:58:17 UTC
SHA-256: c987bd00ea1fa41c…
URL: https://conductatlas.com/platform/signal/signal-privacy-policy/provision/CA-P-038125/contact-data-cryptographically-hashed-before-transmission/
Accessed: Aug. 3, 2026
Permanent archival reference. Stable identifier suitable for legal filings, compliance documentation, and research citation.
Classification
Severity
Low
Categories

Other risks in this policy

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Frequently Asked Questions

What does Signal's Contact Data Cryptographically Hashed Before Transmission clause do?

The clause states: “Information from the contacts on your device may be cryptographically hashed and transmitted to the server in order to determine which of your contacts are registered.”

How many platforms have this type of clause?

ConductAtlas has identified this type of provision across 295 platforms. See the full comparison.

Is ConductAtlas affiliated with Signal?

No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Signal.