Redtail Consulting

RedTail Zscaler Internet Access (ZIA)

RedTail Zscaler Internet Access (ZIA) is a cloud-native Secure Web Gateway delivered as Software as a Service. It provides secure, policy-based internet and cloud application access for users and devices, enforcing security controls in the Zscaler cloud without requiring on-premise infrastructure.

Features

• Cloud-based Secure Web Gateway (SWG)
• URL filtering and web access control
• Malware and threat protection
• SSL/TLS inspection
• DNS security
• Cloud application visibility and control
• Policy-based access enforcement
• Identity provider integration
• Centralised Administrator Portal
• Near real time reporting

Benefits

• Removes reliance on on-premise web security infrastructure
• Provides consistent security controls for remote and on-site users
• Scales elastically without customer-managed capacity planning
• Reduces attack surface through cloud-delivered inspection
• Supports modern hybrid and remote working models

Service documents

• Pricing document

  PDF

• Service definition document

  PDF

• Terms and conditions

  PDF

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 jason.faichney@redtailconsulting.co.uk. Tell them what format you need. It will help if you say what assistive technology you use.

Framework

G-Cloud 15

Service ID

714845449072903

Contact

Jason Faichney
0800 288 4080
jason.faichney@redtailconsulting.co.uk

About your service

• Service categories:

  Applications

  Production and operations

  • Other operations
• Multi cloud support: Yes

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: Zscaler integrates with a wide range of supplier products including: IDPs, SIEM tools, Endpoint Protection tools, Network Hardware Devices as well as a wide range of SaaS solutions. ; ; See here for full details: https://www.zscaler.com/partners/technology
• Cloud deployment model: Public cloud
• Service constraints: No
• System requirements: N/A

User support

• Email or online ticketing support: Yes, at extra cost
• Support response times: Email generated tickets will fall into one of the four call statuses and be provided a response within the times outlined below:; • P1 - Critical: 30 Minutes; • P2 - Major: 2 Hours; • P3 - Low: 6 Hours; • P4 - Minor: 24 Hours
• User can manage status and priority of support tickets: No
• Phone support: Yes
• Phone support availability: 24 hours, 7 days a week
• Web chat support: No
• Onsite support: Yes, at extra cost
• Support levels: Fully managed Service.; Premium Support Service. ; ; Support is commercially scoped pending a full discovery workshop phase. Details of these additional services has been added to Lot 3.
• Support available to third parties: No

Onboarding and offboarding

• Getting started: Users can start using the service through access to the Zscaler Internet Access SaaS platform and associated user documentation. Zscaler provides online product documentation, configuration guides, and knowledge resources to support initial setup and ongoing use of the service.; ; Training resources, including online materials and vendor documentation, are available to help users understand service features and configuration options. Onsite training, implementation support, and hands-on onboarding activities are not included as part of this service and may be provided separately under a Cloud Support or Managed Service engagement.
• Service documentation: Yes
• Documentation formats: PDF
• End-of-contract data extraction: At the end of the contract, users can extract their data using the service’s standard reporting, export, and API capabilities. Configuration data, logs, and reports can be exported in supported formats through the management interface or via published APIs, subject to licence entitlements and data retention settings.; ; After contract termination, access to the service is removed and any remaining data is handled in accordance with Zscaler’s standard SaaS data retention and deletion policies
• End-of-contract process: At the end of the contract term, access to the Zscaler Internet Access SaaS platform is withdrawn and the service subscription expires. Users are able to export configuration data and reports prior to contract end using the service’s standard export and API capabilities. Any remaining data is handled in accordance with Zscaler’s standard SaaS data retention and deletion policies.; ; The contract price includes access to the Zscaler Internet Access SaaS platform and the associated software licences for the agreed subscription term. It does not include implementation services, onboarding, configuration, training, managed operations, or premium support.; ; Any additional services, including data extraction assistance, extended data retention, onboarding support, or managed service activities, are available at additional cost under a separate Cloud Support or Managed Service agreement.
• Documentation accessibility standard: EN 301 549

Using the service

• Web browser interface: Yes
• Supported browsers:
  • Microsoft Edge
  • Firefox
  • Chrome
  • Safari
  • Opera
  • Other
• Application to install: Yes
• Compatible operating systems:
  • Android
  • IOS
  • Linux or Unix
  • MacOS
  • Windows
  • ChromeOS
• Designed for use on mobile devices: Yes
• Differences between the mobile and desktop service: N/A
• Service interface: No
• User support accessibility: EN 301 549
• API: Yes
• What users can and can't do using the API: API usage; ; Zscaler Internet Access provides APIs that allow users to programmatically configure and integrate aspects of the service.; ; Using the API, users can set up and manage security policies, automate user and group updates, retrieve configuration and reporting data, and integrate the service with identity providers and security monitoring platforms. Service configuration can be established by authenticating to the API and submitting supported configuration objects in line with Zscaler’s published specifications.; ; Users can make changes through the API to supported policies and settings, subject to the same validation rules, licence entitlements, and controls as changes made through the user interface.; ; Limitations; ; API functionality is limited to capabilities exposed by Zscaler’s published APIs. Not all administrative actions are available via API. API access is subject to authentication requirements, rate limits, and service controls. Platform-level infrastructure and core service operations cannot be modified through the API.
• API documentation: Yes
• API documentation formats: HTML
• API sandbox or test environment: No
• Customisation available: Yes
• Description of customisation: The service displays configurable organisational information, allowing most company details to be customised. The domain name is fixed and cannot be changed.; ; A Zscaler administrator can update this information by selecting the edit option, uploading a new logo in a supported format (.png, .jpg, or .gif) with a maximum size of 300 × 150 pixels, and modifying organisational details such as the company name, country, language, time zone, and address. Changes are applied once saved.

Scaling

• Independence of resources: The service is delivered using a multi-tenant SaaS architecture designed to provide logical separation between customers. Zscaler’s globally distributed cloud platform uses elastic capacity, load balancing, and traffic isolation to ensure that demand from one customer does not adversely impact the performance or availability experienced by other users.; ; Capacity management, scaling, and resilience are handled within the Zscaler cloud service to maintain consistent service levels across tenants.

Analytics

• Service usage metrics: Yes
• Metrics types: The service provides usage and security metrics through built-in reporting and dashboards. Metrics include user activity, traffic volumes, policy enforcement events, threat detections, cloud application usage, and service performance indicators. These metrics support operational visibility, security monitoring, and compliance reporting.
• Reporting types:
  • API access
  • Real-time dashboards
• Resource tagging: No
• FOCUS resource tagging: No

Resellers

• Supplier type: Reseller providing extra support
• Organisation whose services are being resold: Zscaler

Staff security

• Staff security clearance: Conforms to BS7858:2019
• Government security clearance: Developed Vetting (DV)

Asset protection

• Knowledge of data storage and processing locations: Yes
• Data storage and processing locations:
  • United Kingdom
  • European Economic Area (EEA)
  • Other locations
• User control over data storage and processing locations: Yes
• Datacentre security standards: Complies with a recognised standard (for example CSA CCM version 4.0)
• Penetration testing frequency: At least once a year
• Penetration testing approach: Another external penetration testing organisation
• Protecting data at rest:
  • Physical access control, complying with SSAE-18 / ISAE 3402
  • Encryption of all physical media
  • Scale, obfuscating techniques, or data storage sharding
• Data sanitisation process: Yes
• Equipment disposal approach: A third-party destruction service
• Data sanitisation type:
  • Deleted data can’t be directly accessed / Cryptographic Erasure
  • Data Erasure

Data importing and exporting

• Data export approach: Users can export their data using the service’s built-in reporting and export functionality or through published APIs. Configuration data, logs, and reports can be downloaded in supported formats such as CSV and JSON via the management interface or retrieved programmatically, subject to licence entitlements and configured data retention periods.
• Data export formats:
  • CSV
  • Other
• Other data export formats: JSON
• Data import formats: CSV

Data-in-transit protection

• Data protection between buyer and supplier networks:
  • TLS (version 1.2 or above)
  • 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: Zscaler Internet Access is covered by Zscaler’s standard SaaS availability commitments, designed to provide very high availability (e.g., up to 99.999% as per Zscaler’s published SLAs). Any specific availability targets and related service credits are defined by Zscaler’s SLA terms.
• Approach to resilience: The service is delivered using a cloud-native, multi-tenant SaaS architecture designed for high availability and resilience. Zscaler’s platform is built on a globally distributed service model that uses redundancy, geographic distribution, and automated failover to maintain service continuity in the event of component or location-level failures.; ; Traffic is dynamically routed across multiple service locations, allowing the platform to absorb demand spikes and isolate faults without impacting overall service availability. The underlying datacentre infrastructure is operated by third-party cloud providers and incorporates resilient power, network connectivity, and physical security controls in line with recognised industry standards.; ; Detailed implementation specifics of the resilience architecture are managed by the platform provider and are not publicly disclosed for security reasons.
• Outage reporting: Yes - email alerts are sent to nominated individuals. ; There is also a public dashboard accessible at - https://trust.zscaler.com/zscaler.net

Identity and authentication

• User authentication needed: Yes
• User authentication:
  • Multi-Factor Authentication (MFA)
  • Public key authentication (including by TLS client certificate)
  • Identity federation with existing provider (for example Google Apps)
  • Username or password
• Access restrictions in management interfaces and support channels: Management access is restricted per login and further with orchestrated access via individual accounts.; ; Support access is federated via vendor support and live chat.
• Access restriction testing frequency: At least every 6 months
• Management access authentication:
  • Multi-Factor Authentication (MFA)
  • Identity federation with existing provider (for example Google Apps)
  • Dedicated link (for example VPN)
  • Username or password

Audit information for users

• Access to user activity audit information: Users receive audit information on a regular basis
• How long user audit data is stored for: User-defined
• Access to supplier activity audit information: Users receive audit information on a regular basis
• How long supplier audit data is stored for: User-defined
• How long system logs are stored for: User-defined

Security governance

• Named board-level person responsible for service security: Yes
• Security governance certified: Yes
• Security governance standards: Other
• Other security governance standards: Cyber Essentials
• Information security policies and processes: RedTail operates an information security management framework aligned to recognised industry standards and best practice. Information security policies cover areas including risk management, access control, data protection, incident management, supplier assurance, and business continuity.; ; Policies are approved and overseen by senior management, with board-level accountability for information security governance. Day-to-day responsibility for implementation and compliance is delegated to designated security and operational roles, with escalation paths defined for security incidents and policy breaches.; ; Compliance with security policies is supported through staff training, role-based access controls, documented procedures, and regular review of security risks and controls. Security incidents are reported and managed through defined incident management processes, with lessons learned used to improve controls and reduce future risk.
• Software Security Code of Practice: Yes

Operational security

• Configuration and change management standard: Supplier-defined controls
• Configuration and change management approach: Service configuration is managed using defined platform controls, with components and configurations tracked throughout their lifecycle via auditable management interfaces and APIs. Changes are assessed before implementation to identify potential security, availability, or compliance impacts, including effects on access controls and data protection. Platform-level changes are managed by the SaaS provider using established change and release processes to minimise risk.
• Vulnerability management type: Supplier-defined controls
• Vulnerability management approach: RedTail follows a defined vulnerability management process aligned with industry best practice. This includes monitoring security advisories, assessing vulnerability impact, and applying risk-based remediation or mitigation actions within areas under our control. We also follow Cyber Essentials requirements for critical/security patching, where required. ; ; For the underlying SaaS platform and infrastructure, vulnerability management is performed by the service provider and its third-party cloud infrastructure partners. This includes continuous monitoring, vulnerability scanning, patching, and independent security assurance in line with recognised standards.
• Protective monitoring type: Supplier-defined controls
• Protective monitoring approach: This is handled by our proactive monitoring software which is tuned to identify threats based on specific customer requirements.; ; Incident response is SLA dependant.
• Incident management type: Supplier-defined controls
• Incident management approach: The service follows defined incident management processes in line with Zscaler’s standard support and service operations model. Pre-defined processes are in place for common service events, including availability issues, service degradation, and security-related incidents.; ; Incidents can be reported by users through Zscaler’s standard support channels in accordance with Zscaler’s published support procedures. Service incidents affecting the platform are monitored, triaged, and managed by Zscaler’s operations and support teams.; ; Incident status updates and communications are provided through Zscaler service notifications and support channels. For significant service incidents, Zscaler may issue incident summaries or post-incident communications in line with its standard practices.
• Post-quantum cryptography secure: No

Secure development

• Approach to secure software development best practice: Conforms to a recognised standard, but self-assessed

Public sector networks

• Connection to public sector networks: No

Pricing

• Discount for educational organisations: No
• Free trial available: No

Discount percentage by annual call-off contract value (excluding VAT)

• Less than £250,000: 0%
• Between £250,000 and £500,000: 0%
• Between £500,001 and £1,000,000: 0%
• Between £1,000,001 and £2,500,000: 0%
• Between £2,500,001 and £5,000,000: 0%
• Over £5,000,001: 0%

Non-mandatory Standards and certifications

• ISO/IEC 27001 certification: No
• ISO 28000:2022 certification: No
• ISO 9001 certification: No
• Quality management systems (QMS): No
• CSA STAR certification: No
• PCI certification: No
• Cyber essentials: Yes
• Please provide your Cyber Essentials Certificate Number: 98f71aac-d4da-433e-9869-d39e4610fe42
• Cyber essentials plus: No
• Cyber Essentials Alternative: In relation to the services you do not have a current and valid Cyber Essentials Plus certificate which has been awarded by one of the government approved Cyber Essentials accreditation bodies but you are working towards gaining it, and will be in a position to confirm that you have been awarded a current and valid Cyber Essentials Plus certificate by one of the government approved accreditation bodies within 12 months of the date of award.
• Other security certifications: No

Social value

• Section B - Commitment for Future: Delivery:

  • Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.

    Policy Outcome 1: Fair work: That offers fair wages and good working conditions. Help people get a job, stay in work, and progress in their careers, with good employment opportunities across the country. Notes: Where there is a large proportion of labour costs in the contract, commercial teams should consider MAC in Outcome 1 as a priority

    • Providing opportunities for, and measuring and monitoring of, staff workforce conditions over time, including employee engagement, involvement in decision-making and satisfaction and adapting to any changes in the results, with clear processes for acting on issues identified
    • Plans to engage the contract workforce in deciding the most important workplace issues to address
    • Employment contracts that reflect actual hours worked; steps taken to ensure employees understand their contracts and have the ability to review and adjust them if actual hours regularly exceed contracted hours
    • Activities that support an environment where staff are educated about, and feel empowered to, address their physical wellbeing
    • Payment of more than the National Minimum Wage or National Living Wage (as appropriate) to the contract workforce
    • Understanding of in-work progression issues affecting the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors
    • Support for educational attainment relevant to the contract, including training schemes that address skills gaps and result in recognised qualifications
    • Understanding of the modern slavery risks and issues affecting the market, industry, sector or country (of origin or of source) relevant to the contract, and the workforce in the supplier’s own organisation and those of its key subcontractors

  • Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.

    Policy Outcome 2: Skills for growth: Supporting growth sectors and addressing skills gaps.

    • Understanding of employment and relevant skills issues, and of the education and training issues relating to the contract. Illustrative examples: demographics, skills shortages, new opportunities in high growth sectors, geographic/local community and skills/employment challenges

  • Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.

    Policy Outcome 3: Resilient, innovative and flexible supply chains: Support economic growth through enabling resilient businesses, opportunities for small businesses and voluntary, community and social enterprises

    • Understanding of the types of businesses in the market and the level of participation by new businesses, entrepreneurs, start-ups, SMEs, VCSEs and mutuals

  • Mission: Make Britain a clean energy superpower: To cut bills, create jobs and deliver security with cheaper, zero-carbon electricity by 2030, accelerating to net zero

    Policy Outcome 4: Sustainable procurement practices: Reducing carbon footprints, minimising waste, and promoting the use of clean energy and green technologies.

    • Understanding of opportunities for additional environmental benefits delivery in the performance of the contract, including working towards net zero carbon emissions and use of clean energy and green technologies
    • Understanding of how to influence staff, suppliers, customers, communities and/or any other appropriate stakeholders through the delivery of the contract to support climate and nature protection and improvement

  • Mission: Break down barriers to opportunity: By reforming our childcare and education systems, to make sure there is no class ceiling on the ambitions of young people in Britain

    Policy Outcome 6: Employment and training: For those who face barriers to employment

    • Understanding of employment and skills issues, and of the skills and employment shortages of high growth sectors relating to the contract
    • Understanding of the issues affecting the representation of disabled people in the workforce in the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors
    • Understanding of the issues affecting inequality in employment, skills and pay in the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors. Measures to tackle inequality in employment, skills and pay in the contract workforce

  • Mission: Build an NHS fit for the future: That is there when people need it; with fewer lives lost to the biggest killers; in a fairer Britain, where everyone lives well for longer.

    Policy Outcome 8: Increasing productivity through physical and mental wellbeing: In the supply chain and communities in the relevant area.

    • Understanding of issues relating to health and wellbeing, including physical and mental health, in the contract workforce

Service documents

• Pricing document

  PDF

• Service definition document

  PDF

• Terms and conditions

  PDF

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 jason.faichney@redtailconsulting.co.uk. Tell them what format you need. It will help if you say what assistive technology you use.