List of GreatHorn Customers
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Since 2010, our global team of researchers has been studying GreatHorn customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased GreatHorn for Secure Email Gateways (SEGs) from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using GreatHorn for Secure Email Gateways (SEGs) include: Techstars, a United States based Professional Services organisation with 303 employees and revenues of $100.0 million, Hersha Hospitality Trust, a United States based Construction and Real Estate organisation with 49 employees and revenues of $6.0 million, Crossbeam Systems, a United States based Professional Services organisation with 10 employees and revenues of $1.0 million and many others.
Contact us if you need a completed and verified list of companies using GreatHorn, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Crossbeam Systems | Professional Services | 10 | $1M | United States | GreatHorn | GreatHorn | Secure Email Gateways (SEGs) | 2020 | n/a |
In 2020, Crossbeam Systems implemented GreatHorn to add defense in depth email security for its partnership-platform organization. The deployment used GreatHorn as a Secure Email Gateways (SEGs) solution to reduce exposure to business email compromise and credential theft across Crossbeam Systems US based engineering and go to market teams.
The GreatHorn implementation emphasized Secure Email Gateways (SEGs) functionality including advanced phishing and BEC detection, credential theft detection, automated triage and incident response workflows, policy enforcement and mailbox level remediation. Configuration focused on threat detection signatures, behavioral analysis and automated remediation pathways consistent with SEG operational patterns, and GreatHorn was positioned as the central control for email threat orchestration.
According to GreatHorn materials, the deployment delivered dramatic risk reduction, GreatHorn reports a 99% risk reduction metric in the Crossbeam case study, and the solution improved detection and sped incident response. Operationally the project centralized email threat monitoring and incident handling for the specified teams, aligning security operations and email governance with the partnership platform use case.
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Hersha Hospitality Trust | Construction and Real Estate | 49 | $6M | United States | GreatHorn | GreatHorn | Secure Email Gateways (SEGs) | 2019 | n/a |
In 2019, Hersha Hospitality Trust implemented GreatHorn to protect its distributed hotel management organization from targeted phishing and to reduce risk to PII and PCI related email flows across HR and finance processes in the United States, using the Secure Email Gateways (SEGs) application category. The deployment context emphasized email security for a small enterprise operations footprint, aligning the GreatHorn implementation with operational needs for hospitality operations and centralized security oversight.
The deployment used GreatHorn’s cloud native email security model with no MX changes, enabling detection automation, in moment user banners, and fast remediation capabilities. Core functional capabilities implemented included automated threat detection and classification, user facing contextual warnings inserted into live email flows, and rapid remediation workflows that reduced manual triage. GreatHorn was configured to operate inline with existing mail routing, avoiding mailbox-level agents and enabling centralized policy enforcement.
Operational scope centered on the security team with direct impact on HR and finance email workflows across U.S. properties, providing protection for PII and PCI related communications. Governance shifted toward automated email risk handling, with incident mitigation driven by GreatHorn’s remediation processes and in moment user intervention, which significantly reduced manual email threat management overhead for the security team.
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Techstars | Professional Services | 303 | $100M | United States | GreatHorn | GreatHorn | Secure Email Gateways (SEGs) | 2017 | n/a |
In 2017, Techstars implemented GreatHorn to secure email for its accelerator and operations teams in the United States. GreatHorn is a Secure Email Gateways (SEGs) solution deployed to prevent spear phishing and credential theft that could impact founders and mentors.
The deployment centered on cloud email security capabilities, notably contextual smart banners embedded in message flows to surface risk to end users and drive behavioral response. Configuration included threat detection, contextual analysis of message metadata, and automated remediation workflows to accelerate incident handling. These modules were applied to inbox level controls and administrative policy engines consistent with Secure Email Gateways (SEGs).
GreatHorn integrated with Google Workspace and Office 365 tenants to ingest mail streams and apply policy enforcement across Techstars accelerator and operations mailboxes. The integration followed cloud native routing and API based remediation patterns, avoiding on premise gateway appliances while enabling inbox level intervention. Operational scope was focused on US based teams that interact with founders and mentors.
Governance emphasized incident escalation workflows, tuning of detection thresholds, and iterative refinement of banner messaging during rollout. The vendor case study documents faster remediation and improved user awareness as observable outcomes after the GreatHorn implementation.
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