Kanzi: Secure Instant Messaging

Kanzi is an instant messaging service designed and built around secure communications from the ground up. Using XMPP protocols to deliver a secure approach to instant messaging at scale for mission-critical communication and enforcing your information sharing rules whilst still actively encouraging participation.


  • Built on XMPP; which runs the world’s stock exchanges
  • Secure decentralised XMPP instant messaging and file sharing
  • Hosting environment under your control
  • Communication monitoring
  • Policy compliant message labelling and blocking
  • Interoperability through open standards
  • Support for multiple diode/gateway appliances from leading global vendors
  • Fuses together well understood paradigms of IM and chatrooms
  • Security architecture to meet collaboration needs and security constraints
  • Secure approach to messaging, enforcing information sharing rules


  • Provides complete confidence in the security of your communications
  • Enable secure communication with suppliers, partners and customers
  • Unlocks instant messaging at scale: allows more efficient working
  • Monitor communication to ensure compliance
  • Maintain real-time situational awareness to keep informed of activity
  • Prioritise and focus on what you need to know
  • Maintain your competitive advantage with a joined-up organisation
  • Unified tools deliver coherent, engaging experiences, encouraging participation
  • Deep security enhancements to meet your organisation’s specific needs
  • Domain experts involved at every stage of development


£100,000 an instance

Service documents

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G-Cloud 12

Service ID

2 9 2 7 9 4 7 3 1 9 6 1 6 1 6


Surevine Commercial team
Telephone: 0845 4681066

Service scope

Software add-on or extension
Yes, but can also be used as a standalone service
What software services is the service an extension to
XMPP services
Cloud deployment model
Hybrid cloud
Service constraints
There are minimum hardware requirements if installed on-premise or on a private cloud, in order to ensure a reliable user experience.
System requirements
  • Chrome
  • Safari 9+
  • Firefox
  • Microsoft Edge
  • Internet Explorer 9 or newer

User support

Email or online ticketing support
Email or online ticketing
Support response times
During engagement, support is provided Monday to Friday during standard business hours.

Standard support response times: 1 business day
User can manage status and priority of support tickets
Phone support
Phone support availability
9 to 5 (UK time), Monday to Friday
Web chat support
Onsite support
Yes, at extra cost
Support levels
Your license comes with Surevine Bronze support built in. This is a 9am to 5pm UK Business Days, service fulfilled by email, ticketing system, or phone. Our current response and fix times are outlined below.
P1: 1 hour / 4 hours
P2: 2 hours / 8 hours
P3: 8 hours / 16 hours
P4: 8 hours / 8 days

With each Threatvine (Hub) License you will receive a named technical account manager.

Other enhanced support services can be purchased via our related GCloud services.
Support available to third parties

Onboarding and offboarding

Getting started
Depending on the security requirements your deployment users can enrol through self-service.

We will provide training for the customer's administration team in how to configure the system, manage users, and how to manage the community. The platform includes an integrated onboarding guide called "Getting Started" which guides new users through the primary functions of the platform. Platform administrators will have access to our documentation knowledge base and part of the support function is to help administrators get the best out of the platform.
Service documentation
Documentation formats
End-of-contract data extraction
Users will be able to export their data at the end of the contract. Multiple options are available and we will work directly with the customer to ensure their data export needs are met.
End-of-contract process
At the end of the contract there are three options:

- Erasure of all the Buyer's Data
- Export of Buyer's data with as a data-base export in a limited set of standard formats.
- Assistance in data migration to other formats and system as a consultancy service at our standard SFIA rates.

Using the service

Web browser interface
Supported browsers
  • Microsoft Edge
  • Firefox
  • Chrome
  • Safari 9+
Application to install
Compatible operating systems
  • Android
  • IOS
  • Linux or Unix
  • MacOS
  • Windows
Designed for use on mobile devices
Differences between the mobile and desktop service
Service interface
Customisation available


Independence of resources
Each customer will be hosted on dedicated nodes within our hosting environment.


Service usage metrics
Metrics types
We provide website metrics (visits, user routes etc) in addition to application-level metrics (engagement, last logged in dates, user activity etc).
Reporting types
  • Real-time dashboards
  • Regular reports
  • Reports on request


Supplier type
Not a reseller

Staff security

Staff security clearance
Conforms to BS7858:2012
Government security clearance
Up to Developed Vetting (DV)

Asset protection

Knowledge of data storage and processing locations
Data storage and processing locations
  • United Kingdom
  • European Economic Area (EEA)
User control over data storage and processing locations
Datacentre security standards
Complies with a recognised standard (for example CSA CCM version 3.0)
Penetration testing frequency
At least every 6 months
Penetration testing approach
Protecting data at rest
  • Physical access control, complying with CSA CCM v3.0
  • Physical access control, complying with SSAE-16 / ISAE 3402
Data sanitisation process
Equipment disposal approach
Complying with a recognised standard, for example CSA CCM v.30, CAS (Sanitisation) or ISO/IEC 27001

Data importing and exporting

Data export approach
Users can export documents individually or bulk. We can easily export all users data.
Data export formats
Other data export formats
Original format
Data import formats
  • CSV
  • ODF
  • Other
Other data import formats
All docs supported

Data-in-transit protection

Data protection between buyer and supplier networks
TLS (version 1.2 or above)
Data protection within supplier network
TLS (version 1.2 or above)

Availability and resilience

Guaranteed availability
Availability depends on the service plan you purchase. The entry level availability is 99.5%. Our payment of Service Credits shall be your sole remedy in full and final settlement of Our liability in respect of any failure to meet or delay in meeting Service Levels.
Approach to resilience
We have a range of resilience options including real-time data mirroring at a second site, hot fail over and DDOS protection. These are available as individually priced options. Further information is available on request.
Outage reporting
We report availability performance at our service reviews with the buyer. In the event of an outage, our monitoring systems will alert us and we notify the name point of contact in our Customer.

Identity and authentication

User authentication needed
User authentication
  • Public key authentication (including by TLS client certificate)
  • Dedicated link (for example VPN)
  • Username or password
Access restrictions in management interfaces and support channels
We will only accept email tickets from certain email domains. The bestowing of administration user privileges is at the control of the customer. Server access is strictly controlled and implemented on a per-user basis to ensure traceability.
Access restriction testing frequency
At least every 6 months
Management access authentication
  • Public key authentication (including by TLS client certificate)
  • Dedicated link (for example VPN)
  • Username or password

Audit information for users

Access to user activity audit information
You control when users can access audit information
How long user audit data is stored for
Access to supplier activity audit information
You control when users can access audit information
How long supplier audit data is stored for
How long system logs are stored for

Standards and certifications

ISO/IEC 27001 certification
Who accredited the ISO/IEC 27001
Socotec Certification UK
ISO/IEC 27001 accreditation date
What the ISO/IEC 27001 doesn’t cover
Certification applies to the whole of Surevine's business activities.
ISO 28000:2007 certification
CSA STAR certification
PCI certification
Other security certifications
Any other security certifications
Cyber Essentials Plus

Security governance

Named board-level person responsible for service security
Security governance certified
Security governance standards
ISO/IEC 27001
Information security policies and processes
The Information Security Management System is owned by the Information Security Manager who report to the CTO. Security reports are provided to every board by the CTO, with twice yearly management review by CEO and CTO. External audit is completed by the ISO 27001:2013 auditor.

Operational security

Configuration and change management standard
Supplier-defined controls
Configuration and change management approach
Software versioning is managed via Git.
The release management of software is managed via ticketing system.
Security assessment is done by in-house specialist.
Vulnerability management type
Supplier-defined controls
Vulnerability management approach
Threat and vulnerability information is monitored from a variety of industry standard sources.
Vulnerabilities are managed via same ticketing as software development and release.
Protective monitoring type
Supplier-defined controls
Protective monitoring approach
The protective monitoring is typically on a per client basis. The default stance is to deploy into Amazon AWS with no additional protective monitoring. Other configurations are deployed to meet the client's requirement.
Incident management type
Supplier-defined controls
Incident management approach
Incident management follows an adaptive framework which can be triggered from a variety of alert sources, enables management of evolving situations and a controlled, risk-based response.
Escalation to customer points of contact are severity-based.
Incidents are typically summarised to clients via the SLA report.

Secure development

Approach to secure software development best practice
Supplier-defined process

Public sector networks

Connection to public sector networks


£100,000 an instance
Discount for educational organisations
Free trial available

Service documents

Request an accessible format
If you use assistive technology (such as a screen reader) and need versions of these documents in a more accessible format, email the supplier at Tell them what format you need. It will help if you say what assistive technology you use.