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Security

How Cohavo is hosted and kept secure, the companies we rely on and their accreditations, and how to report a security problem.

cohavo.io/security/

Version 1.5Last updated 11 November 2026In effect since 11 November 2026

On this page
  • 1. How Cohavo is hosted
  • 2. Signing in
  • 3. Encryption
  • 4. Our access
  • 5. Backups and monitoring
  • 6. AI and your data
  • 7. Certifications
  • 8. Reporting a security problem
  • 9. The companies we rely on

1. How Cohavo is hosted

  • Your own server. Each customer has its own virtual server running the whole of Cohavo, and its own storage bucket for recordings, files and backups, with a storage key that reaches only that bucket.
  • In London. Customer servers, storage, our console and our sign-in service run in DigitalOcean’s London data centre. Some suppliers process parts of the data elsewhere: see the table below and our Subprocessors page.
  • Firewalled. Only the ports Cohavo needs are open. Administrative access to servers needs a key and comes only from our office’s fixed internet address.

2. Signing in

  • Everyone who signs in with a password also uses a two-step code from an authenticator app.
  • Businesses can switch on sign-in with Microsoft or Google instead.
  • Repeated failed sign-ins are slowed and then blocked.
  • Roles (owner, admin, team lead, agent) control who can see recordings, listen in, change settings and export data, and settings changes are kept in an audit log.

3. Encryption

  • In transit: web and app traffic uses TLS 1.2 or later. Calls in the browser are encrypted, and so are calls on apps and desk phones set to use TLS; admins can require it for the apps.
  • At rest: we encrypt the most sensitive secrets on each server (AI provider keys, two-step code secrets, sign-in secrets and Microsoft 365 connection tokens).

4. Our access

Only the people who run Cohavo can reach customer servers, and only to give support you ask for, fix incidents or keep the service secure. They sign in to a server with our private key, and only from our office’s fixed internet address. Our console, which runs every server, is open only to our office’s internet address and uses passkeys.

5. Backups and monitoring

  • Each server’s database is backed up every night into its own storage bucket, and each backup is kept for 30 days.
  • Our console checks every server around the clock and raises an alert if one goes offline, a service fails, a disk fills up, a backup is missed, the phone line drops or a certificate is about to expire.

6. AI and your data

We don’t use your data to train AI models. What each AI supplier keeps, and whether it may use data to improve its own models, is on our Subprocessors page. See also Recording and AI.

7. Certifications

We don’t hold any security certifications ourselves (such as Cyber Essentials, ISO 27001 or SOC 2). The companies we rely on hold their own, listed below. We answer security questionnaires on request: email support@cohavo.io.

8. Reporting a security problem

If you think you’ve found a security problem in Cohavo or this website, please email support@cohavo.io with “Security” in the subject, and don’t access other people’s data or disrupt the service while testing. We welcome reports made in good faith and will reply. Our security.txt has the same details.

9. The companies we rely on

Every accreditation below is as listed on the company’s own page, checked on the date shown. They’re the companies’ certifications, not ours.

DigitalOcean Servers and storage

For
Runs each customer's own virtual server and storage bucket, our console and sign-in service, and this website.
Where
London, United Kingdom (region lon1)
Accreditations
  • SOC 2 Type II
  • SOC 3
  • CSA STAR Level 1 (self-assessment)

The London data centre is run by DigitalOcean's colocation provider, which holds ISO 27001, SOC 1, SOC 2 Type II, SOC 3 and PCI DSS. DigitalOcean's own subprocessor list names its US operations for servers and storage.

Safeguard
Data is stored in the UK. DigitalOcean is a US company; its DPA relies on the UK Extension to the EU-US Data Privacy Framework, with the EU Standard Contractual Clauses and the UK Addendum as a fallback.

Checked 9 November 2026 on DigitalOcean certification reports, Regional availability. Its data processing terms. Its subprocessors.

Twilio Phone lines and numbers

For
Connects calls between Cohavo and the phone network, and provides UK phone numbers.
Where
United States (Twilio's default region). Phone numbers and usage records are held globally.
Accreditations
  • ISO/IEC 27001
  • ISO/IEC 27017
  • ISO/IEC 27018
  • SOC 2 Type II
  • PCI DSS Level 1

Twilio says its credentials don't apply to every product, and doesn't say which ones cover voice and SIP trunking.

Safeguard
UK Extension to the EU-US Data Privacy Framework, with the UK Addendum to the EU Standard Contractual Clauses as a fallback.

Checked 9 November 2026 on Twilio security, Twilio regions. Its data processing terms. Its subprocessors.

Resend Email

For
Sends the emails Cohavo sends (sign-in codes, invitations, alerts, replies from the Desk) and receives email for Desk forwarding addresses.
Where
Stored in the United States. Customers' own email domains send from Ireland.
Accreditations
  • SOC 2 Type II
Safeguard
UK Extension to the EU-US Data Privacy Framework (Resend's re-certification is under review), with the UK Addendum to the EU Standard Contractual Clauses.

Checked 9 November 2026 on Resend security, Resend regions. Its data processing terms. Its subprocessors.

OpenAI AI call notes, reports and chat

For
Writes call summaries, follow-ups and reports from transcripts, transcribes calls when no other provider is chosen, reads out phone menus, answers website chats (if switched on), helps rewrite emails, and does the thinking for voice agents (if set up), through ElevenLabs. It also makes a customer's websites and written answers searchable, and finds the passages that answer a chat visitor's or a voice-agent caller's question.
Where
United States (OpenAI's subprocessors include sites in the UK, the US and elsewhere)
Accreditations
  • SOC 2 Type 2
  • SOC 3
  • ISO/IEC 27001
  • ISO/IEC 27017
  • ISO/IEC 27018
  • ISO/IEC 27701
  • ISO/IEC 42001
  • PCI DSS
  • CSA STAR

Voice agents' conversations reach OpenAI through ElevenLabs, under ElevenLabs' own agreement with OpenAI, not through our OpenAI account. The one exception is the question a voice agent looks up: our server sends it through our OpenAI account, with email addresses and phone numbers hidden, to find the right passages.

Safeguard
EU Standard Contractual Clauses with the UK Addendum (OpenAI's Data Processing Addendum).

Checked 9 November 2026 on OpenAI Trust Portal, How OpenAI uses API data. Its data processing terms. Its subprocessors.

Deepgram Call transcription and live transcripts

For
Transcribes recorded calls, and gives live transcripts during calls (if switched on).
Where
United States
Accreditations
  • SOC 2 Type 1
  • SOC 2 Type 2

Deepgram no longer runs voice agents (since 9 November 2026 they run on ElevenLabs only).

Safeguard
None that covers UK data: Deepgram's privacy policy names only the EU Standard Contractual Clauses, and it has no data processing agreement with us. Customers can ask for OpenAI or ElevenLabs transcription instead.

Checked 9 November 2026 on Deepgram data and security, Deepgram privacy policy. Its subprocessors.

ElevenLabs Voices and voice agents

For
Reads out phone menu prompts and hold music messages, makes hold music from a customer's description, transcribes calls or runs AI voice agents, only when a customer chooses ElevenLabs for these.
Where
United States (ElevenLabs may also process in the EU or Singapore)
Accreditations
  • SOC 2 Type 2
  • ISO/IEC 27001
  • ISO/IEC 27017
  • ISO/IEC 27018
  • ISO/IEC 27701
  • ISO/IEC 42001
  • PCI DSS Level 1
  • UK Cyber Essentials Plus
  • CSA STAR Level 1

A voice agent's thinking is done by an OpenAI model we choose. ElevenLabs passes the conversation to OpenAI under ElevenLabs' own agreement with OpenAI.

Safeguard
UK Extension to the EU-US Data Privacy Framework, and the UK Addendum to the EU Standard Contractual Clauses.

Checked 9 November 2026 on ElevenLabs Trust Center, ElevenLabs data use. Its data processing terms. Its subprocessors.

Apple iPhone call alerts

For
Wakes the Cohavo iPhone app when a call comes in (Apple Push Notification service).
Where
Not stated by Apple
Accreditations
  • ISO/IEC 27001
  • ISO/IEC 27018

Apple lists the Apple Push Notification service among the services its certificates cover.

Safeguard
Not yet confirmed.

Checked 9 November 2026 on Apple certifications.

PostHog Product analytics

For
Shows us how the Cohavo app is used, only on servers whose customer has agreed (off by default), and on this website only after a visitor clicks Accept.
Where
Frankfurt, Germany (PostHog EU Cloud)
Accreditations
  • SOC 2 Type 2
Safeguard
Stored in the EU. PostHog is a US company; its DPA uses the UK International Data Transfer Addendum and the UK Extension to the EU-US Data Privacy Framework.

Checked 9 November 2026 on PostHog security, PostHog Trust Center. Its data processing terms. Its subprocessors.

Google Browser phone connection check

For
Its public STUN service tells the browser phone its own internet address, so calls can connect.
Where
Not stated by Google
Accreditations
None published

Google publishes no accreditations or terms for this service.

Safeguard
None confirmed. Google publishes nothing about this free service.

Checked 9 November 2026.

Microsoft Our email, and the Cohavo sign-in app

For
Hosts our own mailboxes (including support), and the Cohavo app that customers' Microsoft admins approve for Microsoft sign-in and mailbox connections.
Where
Not yet confirmed (Microsoft keeps a UK-registered organisation's mailboxes in the UK)
Accreditations
  • ISO/IEC 27001
  • ISO/IEC 27017
  • ISO/IEC 27018
  • ISO/IEC 27701
  • SOC 1 Type 2
  • SOC 2 Type 2
  • SOC 3

The SOC reports cover Microsoft 365, including Exchange Online and Teams; Microsoft lists Entra ID (sign-in) under the ISO certificates but not under the commercial SOC 2.

Safeguard
The UK Addendum to the EU Standard Contractual Clauses (in Microsoft's DPA), and the UK Extension to the EU-US Data Privacy Framework.

Checked 9 November 2026 on Microsoft ISO/IEC 27001, Microsoft SOC 2, Exchange Online data location. Its data processing terms. Its subprocessors.

Cloudflare Domain names (DNS)

For
Answers lookups for cohavo.io and its addresses, and collects email authentication (DMARC) reports for our domain.
Where
Worldwide network
Accreditations
  • ISO/IEC 27001
  • ISO/IEC 27018
  • ISO/IEC 27701
  • SOC 2 Type II
  • PCI DSS Level 1
  • C5

Cloudflare lists DNS in the scope of its SOC 2, PCI DSS and C5 reports.

Safeguard
UK Extension to the EU-US Data Privacy Framework, with the UK Addendum to the EU Standard Contractual Clauses as a fallback.

Checked 9 November 2026 on Cloudflare ISO certifications, Cloudflare SOC 2. Its data processing terms. Its subprocessors.

GitHub Our code and builds

For
Holds Cohavo's source code, runs its tests and builds the server software.
Where
United States
Accreditations
  • SOC 1 Type 2
  • SOC 2 Type 2
  • ISO/IEC 27001
  • CSA STAR Level 2
  • PCI DSS
Safeguard
UK Extension to the EU-US Data Privacy Framework, or the UK Addendum to the EU Standard Contractual Clauses.

Checked 9 November 2026 on GitHub compliance reports. Its data processing terms. Its subprocessors.

Changes to this page

  • Version 1.5, 11 November 2026: Partner table: ElevenLabs' line now also names hold music messages and making hold music. Nothing new is sent; the list was missing them.
  • Version 1.4, 10 November 2026: Partner table: OpenAI's line no longer mentions live suggestions. Live assist is a live transcript by Deepgram and gives no suggestions today.
  • Version 1.3, 10 November 2026: Partner table: OpenAI also makes customers' websites and written answers searchable for the website chat and voice agents.
  • Version 1.2, 9 November 2026: Partner table: Deepgram does call transcription and live transcripts only (voice agents run on ElevenLabs).
  • Version 1.1, 9 November 2026: Our access corrected: we reach customer servers with our private key, only from our office's fixed internet address (not named accounts with two-step codes). Microsoft's UK transfer safeguard and the AI suppliers' training lines updated in the partner table.
  • Version 1.0, 9 November 2026: First published (launch pack Doc 09, section 13), with the partner and accreditation table.

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On this page

  • 1. How Cohavo is hosted
  • 2. Signing in
  • 3. Encryption
  • 4. Our access
  • 5. Backups and monitoring
  • 6. AI and your data
  • 7. Certifications
  • 8. Reporting a security problem
  • 9. The companies we rely on
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