Convergent Network Solutions

HMG Comply and Secure

Managed Protective Monitoring Service based on Good Practice Guide 13 (GPG13). 24x7 PSN Service Provider Compliant SOC Service.


  • Human SOC Analysts Monitroring 24/7
  • Protective Monitoring - Official
  • Based on GPG13
  • UK On-shored Staff Only
  • Designed around Cloud Security Principles
  • SIEM, Host & Network Intrusion Detection include
  • SC Cleared Staff
  • Vulnerability Scanning
  • PSN Service Provider (PSNSP SRV_0220) accredited
  • Includes Advanced Threat and Malware protection


  • Can be deployed on Cloud and On-premise Infrastructure
  • Provides added knowledge to client security teams
  • Allows client teams to concentrate on other areas
  • Cost Effective
  • Works with any vendor
  • Personal interaction between SOC analsysts and client
  • Integrates into client incident response process
  • Meets PSN SLA - 30 minutes incident reporting
  • Flexible and scalable solution - add devices as required
  • Zero impact on existing devices, services, software and platforms


£300 to £650 per device

Service documents


G-Cloud 11

Service ID

7 3 4 6 9 5 8 0 4 6 8 7 1 9 2


Convergent Network Solutions

Phil Atkin


Service scope

Service constraints
The preferred deployment model is to use client provided virtual servers for the deployment of the technology platform. Also some vendors platforms may require the development of "plug ins" in order for the correct capture of security events. This may have an extra cost. Also a client may need to provide additional storage if more than 6 months of logs are required to be retained.
System requirements
  • 8 Cores
  • 16 GB RAM
  • 1 TB Storage
  • Site to site VPN

User support

Email or online ticketing support
Email or online ticketing
Support response times
The Standard SLA is 1 hour for all critical requests.
User can manage status and priority of support tickets
Phone support
Phone support availability
24 hours, 7 days a week
Web chat support
Onsite support
Yes, at extra cost
Support levels
For Government clients the response time is defined as part of the contract. A response to a priority event is within 1 hour as standard. The cost is included in the service fee as standard.
Support available to third parties

Onboarding and offboarding

Getting started
The CNS Managed Service engagement process comprises of 6
distinct phases as outlined below:
1. Pre-sales: sets the expectation of any engagement
2. Implementation Planning: manages final designs and the overall plan
3. Deployment: focuses on the initial installation of the client side
4. Configuration: manages the client and CNS group technology
5. Tuning: ensures the technical solution is performing optimally
6. Full Service Operation: manages the delivery of the service through to
contract closure
Service documentation
Documentation formats
End-of-contract data extraction
The SIEM solution is owned by CNS and is used to deliver the managed service. At termination of a managed service means that all components installed within a client environment will be shutdown.
All raw log data collected inside the SIEM secure logging module can be exported in a compressed file and provided to the client. It is the clients responsibility to handle the compressed log file according to data classification and handling guidelines.
Virtual images and all backups are to be deleted with written confirmation from the client this has been actioned. The continued use of any of the virtual components will be in breach of any licencing agreements outside of a managed service contract.
Any information collected by CNS during the implementation or running of the service will be securely deleted in accordance with CESG / NCSC secure destruction guidelines and written confirmation from CNS that all information has been destroyed will be issued.
End-of-contract process
The client will need to give termination notice, as the SIEM solution is owned by CNS and is used to deliver the managed service, the termination of a managed service means that all components installed within a client environment will be shutdown.

Using the service

Web browser interface
Command line interface


Scaling available
Independence of resources
Each client will has their own instance of the technology platform installed. The CNS Group central server is continuously monitored to ensure overall capacity and therefore ensure the service is not effected.
Usage notifications
Usage reporting


Infrastructure or application metrics


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
User control over data storage and processing locations
Datacentre security standards
Supplier-defined controls
Penetration testing frequency
At least once a year
Penetration testing approach
‘IT Health Check’ performed by a CHECK service provider
Protecting data at rest
  • Physical access control, complying with another standard
  • Encryption of all physical media
Data sanitisation process
Data sanitisation type
Hardware containing data is completely destroyed
Equipment disposal approach
Complying with a recognised standard, for example CSA CCM v.30, CAS (Sanitisation) or ISO/IEC 27001

Backup and recovery

Backup and recovery

Data-in-transit protection

Data protection between buyer and supplier networks
  • Private network or public sector network
  • IPsec or TLS VPN gateway
Data protection within supplier network
  • TLS (version 1.2 or above)
  • IPsec or TLS VPN gateway

Availability and resilience

Guaranteed availability
99.9% as a minimum - please see further SOWs for all SLAs and service credits
Approach to resilience
CNS run two data centres, which are fully resilient and tested regularly in our BCP plan. In addition, CNS have a failover SOC that is instigated in the event that SOC Alpha is physically or technically unavailable.
Outage reporting
Outages to the service are reported to the client immediately by telephone communication, due to the nature of the service and reviewed at the service meetings as part of standard reporting.

Identity and authentication

User authentication
  • 2-factor authentication
  • Limited access network (for example PSN)
  • Dedicated link (for example VPN)
  • Username or password
Access restrictions in management interfaces and support channels
Dedicated end points, with 2FA, Isolated VPN connectivity and RBAC.
Access restriction testing frequency
At least once a year
Management access authentication
  • Limited access network (for example PSN)
  • Dedicated link (for example VPN)
  • Other
Description of management access authentication
The client is also provided a PIN number that is exchanged with the SOC analysts if the client need to call for further information.
Devices users manage the service through
  • Dedicated device on a segregated network (providers own provision)
  • Dedicated device on a government network (for example PSN)
  • Any device but through a bastion host (a bastion host is a server that provides access to a private network from an external network such as the internet)

Audit information for users

Access to user activity audit information
Users contact the support team to get audit information
How long user audit data is stored for
Between 6 months and 12 months
Access to supplier activity audit information
Users contact the support team to get audit information
How long supplier audit data is stored for
Between 6 months and 12 months
How long system logs are stored for
Between 6 months and 12 months

Standards and certifications

ISO/IEC 27001 certification
Who accredited the ISO/IEC 27001
ISO/IEC 27001 accreditation date
July 2017
What the ISO/IEC 27001 doesn’t cover
Nothing - The entire organisation and processes and services is covered.
ISO 28000:2007 certification
CSA STAR certification
PCI certification
Other security certifications
Any other security certifications
  • PSN SP
  • ISO20000

Security governance

Named board-level person responsible for service security
Security governance certified
Security governance standards
  • ISO/IEC 27001
  • Other
Other security governance standards
PSN Service Provider and PASF
Information security policies and processes
PSN and ISO 27001 accredited
The Service follows CSPs
We have a ISMS for incidents and have a WIKI which has all the published policies and procedure. We have an appointed ISO - scheduled regular audits and quarterly staff training. We are a security organisation and therefore security is embedded in our culture

Operational security

Configuration and change management standard
Supplier-defined controls
Configuration and change management approach
Change Management within CNS Group is run by a change control board run by our CTO. Only those changes that conform to the Change Management process described in our policy document are
authorised for implementation. Within these standards are the rules of conduct relating to:
1) Change Entry
2) Change Review
3) Testing
4) Change Approval
5) Change Announcement
6) Change Management Meeting
7) Implementation
8) Report and Control
Vulnerability management type
Conforms to a recognised standard, for example CSA CCM v3.0 or SSAE-16 / ISAE 3402
Vulnerability management approach
"Emergency patches will be deployed by relevant CNS Group SOC Staff delegates. They should be
deployed within 8 hours of availability. As Emergency patches pose an imminent threat to the
network, the release may proceed testing. Critical security patches should be deployed within 3 business days of the time the vendor makes
them available.
Non-critical security and other patches may be applied monthly."
Protective monitoring type
Supplier-defined controls
Protective monitoring approach
Although GPG13 is now a legacy document, it remains a guideline to be
utilised. As such CNS monitor own infrastructure in line with this standard.
Incident management type
Supplier-defined controls
Incident management approach
As an ISO27001 accredited Company CNS must maintain a detailed Incident Handling Policy and suite of procedures to ensure that we have a comprehensive and repeatable risk assessment process. Incidents are reported to the Information Security Officer as be policy and ISMS.

Secure development

Approach to secure software development best practice
Supplier-defined process

Separation between users

Virtualisation technology used to keep applications and users sharing the same infrastructure apart

Energy efficiency

Energy-efficient datacentres
Description of energy efficient datacentres
Our Data Centre Energy Efficiency for SQ17, P1, and A9. This demonstrates to our clients a commitment to reduce energy and make cost savings during Business As Usual. Clients can save more than £1.1 million and 6,000 tonnes of carbon annually based on a 1MW load, compared with an average data centre facility – lowering the Total Cost of Ownership across the Industry. 160MVA of diverse power.


£300 to £650 per device
Discount for educational organisations
Free trial available

Service documents

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