Egress Intelligent Email Security (Prevent & Investigate)

Egress Prevent, which uses contextual machine learning to spot abrnormal email behaviour, alert users in real-time, and stop an email security breach before it happens; and
Egress Investigate, providing detailed email reporting and analytics that allow organisations to measure the risk of a security breach


  • Recipient and domain analysis: investigating for historic interactions and relationships
  • Content analysis: interrogating subject line, message body and attachments
  • Automated encryption: requesting encryption or blocking emails based on sensitivity
  • Full mobile and OWA support: for home/on the move
  • Real-time risk assessment: unobtrusive guidance and display panel
  • Elastic search functionality across encrypted and plain-text content
  • AES 256-bit encryption for all content at rest/in transit
  • Automated and intelligent redaction of non-pertinent sensitive data
  • Detailed auditing and reporting on all user interactions
  • Deployment either on-premise, fully hosted or in a hybrid system


  • Minimise the risk of an email data breach
  • Remove the threat of human error
  • Avoid financial penalties by remaining compliant with GDPR
  • Safeguard employee efficiency with full mobile support
  • Minimise disruption to employee workflows with unobtrusive, real-time guidance
  • Keep sensitive emails safe with automated encryption
  • Accelerate response times to subject access requests
  • Protect business productivity in the event of an outage
  • Reduce the risk of a data breach with redaction capabilities
  • Future proof the organisation by pinpointing, and eliminating, email risk


£40 to £115 a user a year

  • Education pricing available

Service documents


G-Cloud 12

Service ID

6 5 3 7 4 7 9 5 7 2 7 5 4 5 2


Telephone: 0207 624 8500

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
Egress provides an email add-in for Microsoft Outlook (full client and OWA). Egress Gateway integrates with Microsoft Exchange via SDX Transport Agent or via SMTP connectors.
Cloud deployment model
Public cloud
Service constraints
System requirements
  • Egress Client: MS Windows 8.1, 10
  • Egress for MS Outlook: MS Outlook 2013, 2016, 2019, 0365
  • Server Infrastructure (On Premise); Windows Server 2012 (R2), 2016, 2019
  • Cloud Services: No specific requirements

User support

Email or online ticketing support
Email or online ticketing
Support response times
SLAs are defined in the Terms and Conditions. A question is treated as a Service Request, Severity Level 4.
User can manage status and priority of support tickets
Online ticketing support accessibility
None or don’t know
Phone support
Phone support availability
9 to 5 (UK time), 7 days a week
Web chat support
Web chat
Web chat support availability
9 to 5 (UK time), Monday to Friday
Web chat support accessibility standard
None or don’t know
How the web chat support is accessible
To chat directly with Egress' Support Team, select the 'Help' icon that 'pops up' in the bottom right-hand corner of any of our web pages, here
Web chat accessibility testing
No testing has been conducted with assistive technology users.
Onsite support
Yes, at extra cost
Support levels
Basic Support (online and remote support only)
Premium Support (telephone support between 09:00- 18:00 in weekdays)
24x7 support

Support is included in the service subscription.
Support available to third parties

Onboarding and offboarding

Getting started
Customers purchasing Egress Prevent & Investigate can benefit from

- A dedicated Technical Account Manager to assist through the pre and post deployment phases
- A dedicated Customer Success Manager to ensure the software delivers the intended value across your organisation
- Technical documentation and user guides which can be used for training purposes.
- Communications packs for customers to share with their staff
- Direct support for paid users
Service documentation
Documentation formats
End-of-contract data extraction
Prevent: N/A

Investigate: Data can be extracted into an appropriate format (ZIP, PST) as required
End-of-contract process
At the end of the contract the services will cease and customer data will be deleted (within 30 days of the contract ending). Professional Services are available to support customer data extraction.

Using the service

Web browser interface
Supported browsers
  • Internet Explorer 11
  • Microsoft Edge
  • Firefox
  • Chrome
  • Safari 9+
Application to install
Compatible operating systems
  • Android
  • IOS
  • MacOS
  • Windows
Designed for use on mobile devices
Differences between the mobile and desktop service
There are no direct plug-ins for mobile, unlike Prevent for desktop.
Mobile requires a Prevent Gateway
Service interface
What users can and can't do using the API
1. Indexing of messages
2. Search Messages
3. Download Messages
4. Decrypt Messages
5. Analyze emails and assign Keywords
6. Monitor System Status
API documentation
API documentation formats
  • HTML
  • PDF
API sandbox or test environment
Customisation available
Description of customisation
Prevent: There are a number of configuration options available to system administrators which allow them to customise which Prevent functionality is enabled. This includes the ability to protect against mistakes, accidental send, accidental or malicious release of content and suggested behaviour. In addition, system administrators can customise functions such as system sensitivity, machine learning/AI settings and custom user messaging.

Investigate: Investigate policies can be configured to meet your data handling requirements:
- User roles and onboarding
- DLP templates & keywords
- Scope voting and approval framework
- IP restrictions


Independence of resources
Service performance is guaranteed due to leveraging cloud compute architecture


Service usage metrics
Metrics types
A wide range of customisable reports on usage for both organisation, group and user based transactions
Reporting types
  • API access
  • Real-time dashboards
  • Regular reports
  • Reports on request


Supplier type
Not a reseller

Staff security

Staff security clearance
Other security clearance
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)
  • EU-US Privacy Shield agreement locations
User control over data storage and processing locations
Datacentre security standards
Managed by a third party
Penetration testing frequency
At least once a year
Penetration testing approach
‘IT Health Check’ performed by a CHECK service provider
Protecting data at rest
Encryption of all physical media
Data sanitisation process
Data sanitisation type
Deleted data can’t be directly accessed
Equipment disposal approach
A third-party destruction service

Data importing and exporting

Data export approach
Data can be exported via the secure web interface
Data export formats
Other data export formats
  • EML
  • PST
Data import formats
Other data import formats
  • Exchange Trace Logs
  • PST

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
Service credits are required to be paid to Egress customers in the event that the Service Level Performance Measure falls below the Availability Target of 99.90% in a Service Period. Full details on how service credits are calculated and applied if the SLAs is not met are in the subscription agreement on Service Availability SLAs. The Service credit is a % of the monthly subscription fee, refunded to the customer.
Approach to resilience
Available on request
Outage reporting
A public dashboard and email alerts are available.

Identity and authentication

User authentication needed
User authentication
  • 2-factor authentication
  • 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
Access to management interfaces and support channels are restricted by both procedural and technical enforced security including infrastructure restrictions and privileged access management software.
Access restriction testing frequency
At least once a year
Management access authentication
  • 2-factor authentication
  • Dedicated link (for example VPN)
  • Username or password

Audit information for users

Access to user activity audit information
Users have access to real-time audit information
How long user audit data is stored for
At least 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
How long system logs are stored for
Between 1 month and 6 months

Standards and certifications

ISO/IEC 27001 certification
Who accredited the ISO/IEC 27001
ISO/IEC 27001 accreditation date
What the ISO/IEC 27001 doesn’t cover
All Egress offices currently in scope - London HQ, Sheffield, Toronto, Amsterdam and Boston.
ISO 28000:2007 certification
CSA STAR certification
PCI certification
Who accredited the PCI DSS certification
PCI DSS accreditation date
What the PCI DSS doesn’t cover
Only online billing (via Paypal) through the Egress website is covered.
Other security certifications
Any other security certifications
  • NCSC Commercial Product Assurance (CPA)
  • NCSC Pan Government Accreditation (PGA)
  • Common Criteria
  • Cyber Essentials Plus
  • FIPS 140-2

Security governance

Named board-level person responsible for service security
Security governance certified
Security governance standards
ISO/IEC 27001
Information security policies and processes
Egress are ISO27001 certified, with a mature ISMS comprised of relevant, adhered-to policies & procedures (P&P) by all staff. Egress’ Senior Management Team meet regularly to ensure all P&P remain relevant & are feasible for all departments. All P&P are maintained on an internal Egress Secure Workspace, accessible by all staff (& audited as to who has accessed, downloaded etc. which policies). Egress also run a Security Awareness Programme that includes monthly testing of all staff’s company P&P knowledge.

Operational security

Configuration and change management standard
Supplier-defined controls
Configuration and change management approach
Egress service model is ITIL v3 compliant and has defined processes and procedures for Change and Configuration Management. The Service Management team are responsible for the coordianting and scheduling of changes. Configuration Management is managed by automation tools that track the states of desired configurations and report on deviations, in addition with audit logs.
Vulnerability management type
Supplier-defined controls
Vulnerability management approach
Egress conduct annual penetration tests with external providers, plus whenever there is a major change to the architecture/application or a significant information security incident.Security threats are assessed via alerts from security bulletins from a wide range of vendors as well as independent information security providers. System and software patches are usually applied within two days of being available. Depending on the severity, patches may be applied quicker. The Egress Change Control Process includes steps to ensure that security impact of changes is considered. The roll-back procedure ensures that service is not adversely impacted by a change.
Protective monitoring type
Supplier-defined controls
Protective monitoring approach
Egress has a full Security Incident and Event Monitoring (SIEM) service that caputures all the logs from the multi-tenant components in the infrastructure and proactively monitors them to provide realtime alerts to the Operations team. Incidents are responded to based on the defined severity.
Incident management type
Supplier-defined controls
Incident management approach
A Security incident is reported to Customer Services channels (via telephone, email, logging a ticket or online chat). A Security Incident is then passed to the Operational Security team to assess the impact and of the incident and engineer resource is engaged to investigate if a breach has occurred and take appropriate action.

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


£40 to £115 a user a year
Discount for educational organisations
Free trial available

Service documents