CISO Tribune

Vendor comparison · 2 companies

Hornetsecurity vs Virtru

Hornetsecurity sells a suite of services for Microsoft 365 security, risk, governance, compliance and backup. Virtru sells data security software that protects sensitive data shared through email, files, SaaS apps and mission partner environments. CISO Tribune files both under Email security. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Hornetsecurity
  • Virtru
Hornetsecurity vs Virtru: Products, Customers and Funding Compared
HornetsecurityHornetsecurity sells a suite of services for Microsoft 365 security, risk, governance, compliance and backup.hornetsecurity.comVirtruVirtru sells data security software that protects sensitive data shared through email, files, SaaS apps and mission partner environments.virtru.com
What it sells
  • 365 Total Protection[3][4][7]A suite for Microsoft 365 security, risk, governance, compliance and backup.
  • 365 Total Backup[3][4][6]Automated Microsoft 365 data backup, recovery and protection.
  • Advanced Threat Protection[3][4][7][14]AI-powered protection of emails and data.
  • DMARC Manager[3][4][15]Safeguards domains against email impersonation, phishing and spoofing with DMARC, DKIM and SPF management.
  • Virtru for Outlook[4][6]An add-in that encrypts Outlook messages and attachments with end-to-end encryption.
  • Virtru Secure Share[4]A cloud-based solution for sharing sensitive files with access control and data visibility.
  • Virtru Collaborate[4][12]Secure workspaces for storing and collaborating on sensitive files with external parties.
  • Virtru Data Protection GatewaySecurity rules that automatically identify and encrypt sensitive data.
Categories
Headquarters
Not stated on its pagesWashington, United States[2]
Founded
Not stated on its pages2012[2]
Ownership and funding
Owned by Proofpoint, Inc. since 2025[2]Privately held[3][4][5]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 4, 2026[5]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, Virtru sells to commercial businesses from enterprise to small business, and to government agencies and mission partners. Virtru says it offers lightweight solutions for small businesses that need to meet compliance regulations. It describes enterprise data sharing via email, files and SaaS applications, and government organizations pursuing Zero Trust architectures. Virtru Collaborate is aimed at regulated industries and organizations sharing files with external partners, contractors and vendors.
Last verified
November 4, 2026September 27, 2026

Where they overlap

  • Hornetsecurity and Virtru are both filed under Email security.

Where they differ, field by field

  • Hornetsecurity's primary category is Email security; Virtru's is Encryption, tokenization and key management.
  • Hornetsecurity is also filed under Security awareness training, Email authentication and DMARC and Backup and cyber recovery. Virtru is also filed under Collaboration app security.
  • Hornetsecurity lists 365 Total Protection, 365 Total Backup, Advanced Threat Protection and DMARC Manager. Virtru lists Virtru for Outlook, Virtru Secure Share, Virtru Collaborate and Virtru Data Protection Gateway.
  • Virtru is headquartered in Washington, United States.
  • Virtru was founded in 2012.
  • Hornetsecurity is owned by Proofpoint, Inc., since 2025. Virtru is privately held.

What it sells: Hornetsecurity

What 365 Total Protection does[3][4][7]
365 Total Protection plans can be onboarded in Hybrid mode. Hornetsecurity offers one package that combines email security, backup, security awareness, access and permission control and domain fraud protection.
What 365 Total Backup does[3][4][6]
The backup and recovery solution covers mailboxes and In-Place Archive mailboxes, Teams, Planner, OneNote, Entra ID Users and Groups, OneDrive for Business accounts, and SharePoint document libraries. It includes unlimited backup storage and restoration and a 4-eye-approval process.
What Advanced Threat Protection does[3][4][7][14]
Hornetsecurity's Sandbox Engine scans email attachments for potential malware by running the file in a virtual, isolated test environment. Hornetsecurity's QR Code Analyzer detects QR codes embedded directly into an email or an image. Real Time Alerts notify an IT security team about acute attacks on the company in real time.
What DMARC Manager does[3][4][15]
DMARC Manager can capture all reports sent by recipient servers back to the sender and aggregate them into a single report. Hornetsecurity describes real-time data on email messages that fail DMARC checks.

What it sells: Virtru

What Virtru for Outlook does[4][6]
Virtru for Outlook lets users encrypt emails shared internally and externally, all within Outlook. Protection is applied with one click. Virtru says no encryption key set up is required with third parties.
What Virtru Secure Share does[4]
Virtru Secure Share lets administrators set limits on file count, file size and file types. Administrators can disable local downloads.
What Virtru Collaborate does[4][12]
Virtru Collaborate creates governed workspaces with TDF protection applied to every file automatically. Access can be managed, modified and revoked after files are shared. External collaborators need no software or account setup.
What Virtru Data Protection Gateway does
Virtru Data Protection Gateway for Looker creates security rules that automatically identify and encrypt sensitive information flowing in and out of Looker. Virtru says it can be deployed across a domain in hours.

Questions about Hornetsecurity and Virtru

What do Hornetsecurity and Virtru sell?
Hornetsecurity sells 365 Total Protection, 365 Total Backup, Advanced Threat Protection and DMARC Manager. Virtru sells Virtru for Outlook, Virtru Secure Share, Virtru Collaborate and Virtru Data Protection Gateway.
Are Hornetsecurity and Virtru in the same category?
They share Email security. Hornetsecurity's primary category is Email security and Virtru's is Encryption, tokenization and key management.
Where are Hornetsecurity and Virtru headquartered?
Virtru is headquartered in Washington, United States.
When were Hornetsecurity and Virtru founded?
Virtru was founded in 2012.
Who owns Hornetsecurity and Virtru?
Hornetsecurity is owned by Proofpoint, Inc., since 2025. Virtru is privately held.
Who are Hornetsecurity and Virtru sold to?
From its own pages, Virtru sells to commercial businesses from enterprise to small business, and to government agencies and mission partners.

About Hornetsecurity

Hornetsecurity sells a suite of services for Microsoft 365 security, risk, governance, compliance and backup. Hornetsecurity has been operating for 15 years. Hornetsecurity has a team of over 750 specialists. Hornetsecurity states that over 12,000 partners serve more than 125,000 customers around the globe. 365 Total Backup was formerly known as Altaro Office 365 Backup, and VM Backup was formerly known as Altaro VM Backup.[3][4][5][6]

365 Total Protection plans can be onboarded in Hybrid mode. Hornetsecurity offers one package that combines email security, backup, security awareness, access and permission control and domain fraud protection. Hornetsecurity's email security features include Spam, Malware and Phishing Filter, Advanced Threat Protection, Sandboxing, URL Rewriting, Quishing and Business Email compromise detection, AutoRemediate, Email Threat Response and Email Encryption. Hornetsecurity offers Email Archiving and Signatures and Disclaimers for managing email-related compliance and legal requirements.[1][3][4][7]

Hornetsecurity's backup and recovery solution for Microsoft 365 covers mailboxes and In-Place Archive mailboxes, Teams, Planner, OneNote, Entra ID Users and Groups, OneDrive for Business accounts, and SharePoint document libraries. The backup solution includes unlimited backup storage and restoration and a 4-eye-approval process. Hornetsecurity offers 12 regional data centers for storing data, independent of Microsoft's infrastructure.[4][7]

Hornetsecurity sells data leak prevention with permission management for Teams, OneDrive and SharePoint. Hornetsecurity offers a Governance, Risk, and Compliance (GRC) service for maintaining a compliant SharePoint, Teams and OneDrive data infrastructure and preventing users from sharing sensitive information. When a user shares a site or a file against the organization's compliance policy, site owners receive immediate notification about the violation. If a violation has not been removed by the site owner or admin, it is removed automatically based on the policy settings. Hornetsecurity's user profiling awareness engine detects the level of users, sends out automated attack simulations and creates awareness trainings based on the user's needs. Hornetsecurity lets customers set up and manage DMARC, DKIM and SPF policies for multiple domains through a single centralized platform. Hornetsecurity's suite can warn users whenever malicious links are shared through Teams chats, and it can delete entire conversations containing malicious messages.[4][7][8]

Teams Protection protects a tenant from internal compromised accounts by scanning all messages containing URLs and issuing a warning message in the conversation through the AI Cyber Assistant bot. Email Security Analyst automates responses to user queries about potential threats, replacing traditional manual analysis. AI Recipient Validation uses machine learning to analyse emails based on a user's previous communications and triggers warnings in several instances. AI Recipient Validation is available for Microsoft 365 users on the latest versions of their Outlook Mail Client for Windows, Mac and Web. AI Recipient Validation analyses email texts and attachments in the local Outlook client, and they are not transmitted to Hornetsecurity's servers. The AI Recipient Validation dashboard gives administrators an overview of the warning instances that users are exposed to and the user actions after being notified.[9][10]

Secure Links replaces the original link in an email with a rewritten version that goes through Hornetsecurity's secure web gateway. Hornetsecurity's Sandbox Engine scans email attachments for potential malware by running the file in a virtual, isolated test environment. Hornetsecurity's QR Code Analyzer detects QR codes embedded directly into an email or an image. Hornetsecurity's spam filtering service includes policy-based attachment filtering with nested archive inspection. Hornetsecurity services such as Email Encryption, Email Archive or the Continuity Service can be added with one mouse click. If a customer's mail server is unavailable, Hornetsecurity stores incoming emails for up to 7 days. Hornetsecurity sells an email archiving service for M365 and other email servers.[4][11][12][13]

Hornet.email is a hosted email service with features for collaborative work such as calendar, address book and tasks. The Hornet.email Starter Package consists of the Hornet.email email platform and the automatically integrated Spam Filter and Malware Protection. The Hornet.email Enterprise Package combines Advanced Threat Protection, Email Encryption and Email Archiving Services on a collaborative email platform. Hornet.email provides a mailbox for external and internal associates within an existing M365 license agreement. Hornetsecurity sells a backup and replication solution for Microsoft Hyper-V, Proxmox and VMware virtual machines. VM Backup can be bought as a perpetual license with a renewable Software Maintenance Agreement or as an annual subscription.[4][6][14]

Hornetsecurity states that its Partner Program applies no matter a partner's business model or team size. Hornetsecurity has an ebook for MSPs, written by a former MSP.[3][4][5][6][8][9][10][11][14][15]

Hornetsecurity on the record

Sources

Hornetsecurity full record

  1. [1]hornetsecurity.comHornetsecurity · hornetsecurity.com · undated page, accessed November 4, 2026 · Tier A
  2. [2]Proofpoint acquisition completed press releaseHornetsecurity · hornetsecurity.com · published December 8, 2025 · Tier A
  3. [3]hornetsecurity.comHornetsecurity · hornetsecurity.com · undated page, accessed November 4, 2026 · Tier A
  4. [4]Cybersecurity Services for Microsoft 365 | HornetsecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  5. [5]Hornetsecurity – Next-Gen Microsoft 365 SecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  6. [6]Backup Service Renewal | Hornetsecurity (formerly Altaro)Hornetsecurity · undated page, accessed November 10, 2026 · Tier A
  7. [7]365 Total Protection | Next-Gen Microsoft 365 Security SuiteHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  8. [8]365 Permission Manager for Microsoft 365 | HornetsecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  9. [9]AI Cyber Assistant by Hornetsecurity: Meet AI.MYHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  10. [10]AI Recipient Validation: Prevent Misdirected Emails | HornetsecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  11. [11]Advanced Threat Protection for Email | AI-powered Threat DefenseHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  12. [12]Spam Filter & Malware Protection | HornetsecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  13. [13]Business Email Continuity Service | HornetsecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  14. [14]Hosted Business Email | Hornet.emailHornetsecurity · undated page, accessed November 10, 2026 · Tier A
  15. [15]DMARC Manager - Secure Your Domain with HornetsecurityHornetsecurity · undated page, accessed November 10, 2026 · Tier A

Virtru full record

  1. [1]virtru.comVirtru · virtru.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Virtru unveils new headquarters and technology hub in washington dcVirtru · virtru.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Virtru secures 50 million in new funding to accelerate the future of data centric security for the ai eraVirtru · virtru.com · published July 11, 2025 · Tier A
  4. [4]Data Security Platform for Email, Files and Collaboration | VirtruVirtru · undated page, accessed October 30, 2026 · Tier A
  5. [5]Virtru Email Encryption Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 30, 2026 · Tier C
  6. [6]Virtru Outlook Email Add-inVirtru · undated page, accessed November 4, 2026 · Tier A
  7. [7]Protect Your Data Against Human Errors with Email BlockingVirtru · undated page, accessed November 4, 2026 · Tier A
  8. [8]Enhanced Audit Data for Gmail Chrome Extension Trigger EventsVirtru · undated page, accessed November 4, 2026 · Tier A
  9. [9]Advanced File Upload Control for Secure SharingVirtru · undated page, accessed November 4, 2026 · Tier A
  10. [10]Save Secure Share Files Directly to Cloud StorageVirtru · undated page, accessed November 4, 2026 · Tier A
  11. [11]Securely Share Files From Your Group Email AddressesVirtru · undated page, accessed November 4, 2026 · Tier A
  12. [12]Confidently Store, Share and Collaborate on Sensitive FilesVirtru · undated page, accessed November 4, 2026 · Tier A
  13. [13]Virtru Gateway for LookerVirtru · undated page, accessed November 4, 2026 · Tier A

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