Memset Ltd

Internet to PSN Gateway

The unique Memset Internet to PSN Gateway provides a secure connection between Internet and PSN-connected customer infrastructure without breaking application data flows. Enables flexible, high-bandwidth, low-latency interconnection supporting a range of custom and COTS applications. Internet to PSN Gateways are responsible for risk assessing, mitigating and accrediting application-level security issues.


  • Connects PSN and Internet-enabled Memset hosting environments
  • Application agnostic, flexible, supports custom and COTS TCP applications
  • Puts control of application security measures in the customer’s hands
  • Horizontally scalable for assured throughput and low latency
  • Whitelisted IP:Port mappings, one-to-one and one-to-many options available
  • Supports High Availability architectures between Internet and PSN hosted services
  • Dedicated to customers, enhancing security and performance
  • Service flexibility well suited to DevOps and Agile development methodologies
  • Virtual and underlying physical hardware is resilient throughout


  • Allows you to focus on securing data and application traffic
  • Enables flexible data exchange between Internet and PSN hosting
  • Minimal impact on TCP application data flows crossing the service
  • Redundant hardware within the service to ensure availability
  • Transparent, easy to understand pricing models and Support Levels
  • 24/7/365 availability monitoring included
  • Enterprise-grade Tier 3 UK data centres with industry-leading Support Levels
  • UK hosted, supported by SC/BPSS cleared UK Operations personnel


£1000 to £3000 per unit per month

Service documents

G-Cloud 9


Memset Ltd

Memset Sales Team

00 44 1483 608010

Service scope

Service scope
Service constraints "Scheduled Maintenance" the patching, upgrading, bug fixing or enhancing of software or the replacement, renewal of Network/Datacenter Infrastructure that has been communicated to Customers via individual or group ticket or email, providing a future time period in which maintenance will occur. (‘Maintenance window.’) Scheduled Maintenance may be scoped to Customer-specific, shared or Memset® core infrastructure and may or may not include downtime or degradation of Services to Customers, depending on the nature of the maintenance required.
System requirements PSN-connected customer deployments must comply with PSN CoCos.

User support

User support
Email or online ticketing support Email or online ticketing
Support response times We guarantee that we will provide a response in the form of a ticket, from one of our technical engineers, to support queries submitted through the Memset® Control Panel within 2 hours during normal working hours (9am to 5pm).

We guarantee that we will respond in the form of a ticket reply from one of our technical engineers, to queries raised through our Emergency contact facility within 30 minutes. This is available 24 hours a day, 365 days a year.

For customers with Managed Platform monitoring, we guarantee that we will respond to configured alerts within 30 minutes, available 24x7x365.
User can manage status and priority of support tickets No
Phone support Yes
Phone support availability 9 to 5 (UK time), Monday to Friday
Web chat support No
Onsite support No
Support levels Memset Internet to PSN Gateways are configured by Memset system Administrators according to customer requests and sold with set bandwidth, connection rate and monthly change packages included in their SLAs. These range from 10 to 30 rule changes per month.
Support available to third parties Yes

Onboarding and offboarding

Onboarding and offboarding
Getting started Internet to PSN Gateways include four hours of system administrator time in the setup costs. This time is to specify initial access control lists and whitelists across the gateway.
Service documentation No
End-of-contract data extraction N/A.
End-of-contract process Memset does not maintain any formal offboarding or end-of-contract services or costs. Customers will be liable for the remainder of the value of the contract relevant to any termination conditions.

Using the service

Using the service
Web browser interface No
Command line interface No


Scaling available Yes
Scaling type Manual
Independence of resources Strict quotas and QOS limitations are applied at both the network and host level. These quotas are configured to be biased towards limiting noisy neighbor issues at the expense of absolute performance and burstability. All virtualised infrastructure is deployed on a per-customer basis.
Usage notifications No


Infrastructure or application metrics No


Supplier type Not a reseller

Staff security

Staff security
Staff security clearance Other security clearance
Government security clearance Up to Security Clearance (SC)

Asset protection

Asset protection
Knowledge of data storage and processing locations Yes
Data storage and processing locations United Kingdom
User control over data storage and processing locations Yes
Datacentre security standards Complies with a recognised standard (for example CSA CCM version 3.0)
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
  • Scale, obfuscating techniques, or data storage sharding
Data sanitisation process Yes
Data sanitisation type
  • Explicit overwriting of storage before reallocation
  • Deleted data can’t be directly accessed
  • 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
Backup and recovery No

Data-in-transit protection

Data-in-transit protection
Data protection between buyer and supplier networks Other
Other protection between networks Internet to PSN gateways may only connect between private IPs in Memset's public-Internet and PSN-connected Cloud VPS and Bare Metal Cloud Servers infrastructure.
Data protection within supplier network TLS (version 1.2 or above)

Availability and resilience

Availability and resilience
Guaranteed availability Memset commits to a 99.99% network availability SLA
Approach to resilience Internet to PSN Gateways are based on multiply redundant virtual and physical infrastructure, providing transparent failover in the event of issues within the service. Additionally, Internet to PSN Gateways can also be deployed in a geographically redundant fashion, ensuring uninterrupted communication between you Internet and PSN-connected estates in the event of a data centre-wide issue.
Outage reporting Memset will report service outages, degradation or periods of at-risk operations via email to impacted customers and on our public status page.

Identity and authentication

Identity and authentication
User authentication Username or password
Access restrictions in management interfaces and support channels Access to the Control Panel is via customer-configured username and password and to the APIs via unique per-method 32bit hex strings. The API and Control Panel can additionally be secured at an account level by configuring source IP whitelisting constraints.

Memset system administrator access to non-PSN services is authenticated via a combination of username and password and SSH public keys. Access is performed via support jump bastions.

Memset system administrator access to PSN services is additionally performed from dedicated support devices via jump infrastructure with 2FA.
Access restriction testing frequency At least once a year
Management access authentication
  • 2-factor authentication
  • Public key authentication (including by TLS client certificate)
  • Limited access network (for example PSN)
  • Dedicated link (for example VPN)
  • Username or password
Devices users manage the service through
  • Dedicated device on a government network (for example PSN)
  • Dedicated device over multiple services or networks
  • 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)
  • Directly from any device which may also be used for normal business (for example web browsing or viewing external email)

Audit information for users

Audit information for users
Access to user activity audit information No audit information available
Access to supplier activity audit information No audit information available
How long system logs are stored for At least 12 months

Standards and certifications

Standards and certifications
ISO/IEC 27001 certification Yes
Who accredited the ISO/IEC 27001 BSI
ISO/IEC 27001 accreditation date 17/08/2015
What the ISO/IEC 27001 doesn’t cover N/A
ISO 28000:2007 certification No
CSA STAR certification No
PCI certification Yes
Who accredited the PCI DSS certification Coalfire for Service Provider, Lloyds Bank Cardnet for Merchant
PCI DSS accreditation date 2017 for Service Provider, 2013 for Merchant
What the PCI DSS doesn’t cover Service Provider does not cover 1,2,3,4,5,6,7,8,10 & 11
Other security accreditations Yes
Any other security accreditations PSN Protected

Security governance

Security governance
Named board-level person responsible for service security Yes
Security governance accreditation Yes
Security governance standards ISO/IEC 27001
Information security policies and processes Memset operates an ISO 27001:2103 accredited ISMS as part of our integrated Compliance Management System. (Security, Quality and Environmental compliance.) The ISMS is subject to regular qualified internal and external third party audits throughout each year. these are supported by additional PSN and PCI-DSS internal and third party audits

The CEO maintains overall accountability as Memset's SIRO, with subordinate dedicated Compliance and Security teams providing operational checks and balances for all security related projects, policies and procedures. Both the Head of Compliance and Head of Security maintain permanent seats on the Operations Board and are acknowledged as business leaders within the organisaiton.

Operational security

Operational security
Configuration and change management standard Supplier-defined controls
Configuration and change management approach Memset operates an ISO 27001:2013 audited configuration and change management process based on ITIL principles. We maintain a comprehensive asset management system and CMDB, vital for enabling our software defined network to operate effectively. Customers must submit tickets via the customer control panel to request any changes to the customer solution.
Vulnerability management type Supplier-defined controls
Vulnerability management approach Memset maintains manual and automated vulnerability management processes as part of an integrated vulnerability management system. Nessus is used as a key component of internal vulnerability management processes.

Memset is a member of vulnerability pre-disclosure notification groups regarding key infrastructure. (I.e. Xen Sceurity Advisories, etc.)

Where a security vulnerability has been assessed by our internal processes and found to be impacting within our scope of responsibility, we seek to remediate or mitigate within the following timescales. Critical: 5 working days. High: 10 working days. Medium and low: As per normal patch maintenance schedules
Protective monitoring type Supplier-defined controls
Protective monitoring approach The customer is responsible for applying any application-level controls to monitor data flowing across their Internet to PSN Gateway connection as per PSN Codes of Connection.
Incident management type Supplier-defined controls
Incident management approach Memset maintains an integrated Incident Management system based on ISO 27001:2013 requirements and ITIL processes for all internal minor and major incidents. These processes interact with any further chance or problem management processes required on a case-by-case basis.

Customers can internal users can report security incidents using the appropriate ticketing system or, where available, phone contact.

Major customer-impacting incidents will be formally communicated to the customer in the form of an after-incident report including root cause analysis and corrective and preventative actions.

Secure development

Secure development
Approach to secure software development best practice Independent review of processes (for example CESG CPA Build Standard, ISO/IEC 27034, ISO/IEC 27001 or CSA CCM v3.0)

Separation between users

Separation between users
Virtualisation technology used to keep applications and users sharing the same infrastructure apart Yes
Who implements virtualisation Supplier
Virtualisation technologies used Other
Other virtualisation technology used Open source Xen (GNU GPL v2)
How shared infrastructure is kept separate Rigorously ITHC-tested best practice segregation measures are in place at both the hypervisor and network levels to ensure minimal risk from other virtual devices sharing hosts, hypervisors or common network paths.

Energy efficiency

Energy efficiency
Energy-efficient datacentres Yes


Price £1000 to £3000 per unit per month
Discount for educational organisations No
Free trial available No


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