# Top 10 GreatHorn Alternatives & Competitors
**Average Rating:** 5.0/5
**Total Number of Reviews:** 1
If you are considering GreatHorn, you may also want to investigate similar alternatives or competitors to find the best solution. Cloud Email Security Solutions is a widely used technology, and many people are seeking sophisticated, easy to use software solutions with account takeover prevention and advanced threat protection (atp). Other important factors to consider when researching alternatives to GreatHorn include ease of use and reliability. The best overall GreatHorn alternative is Proofpoint Core Email Protection. Other similar apps like GreatHorn are Acronis Cyber Protect Cloud, Paubox, KnowBe4 PhishER/PhishER Plus, and Check Point Email Security. GreatHorn alternatives can be found in [Cloud Email Security Solutions](https://www.g2.com/categories/cloud-email-security) but may also be in [Cloud Data Security Software](https://www.g2.com/categories/cloud-data-security) or [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway).


## Best Paid & Free Alternatives to GreatHorn
  - [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews)
  - [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews)
  - [Paubox](https://www.g2.com/products/paubox/reviews)
  - [KnowBe4 PhishER/PhishER Plus](https://www.g2.com/products/knowbe4-phisher-phisher-plus/reviews)
  - [Check Point Email Security](https://www.g2.com/products/check-point-email-security/reviews)
  - [Valimail](https://www.g2.com/products/valimail/reviews)
  - [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews)
  - [Sumo Logic](https://www.g2.com/products/sumo-logic/reviews)
  - [Tines](https://www.g2.com/products/tines/reviews)
  - [CyberSentriq](https://www.g2.com/products/cybersentriq/reviews)

## Top 10 Alternatives to GreatHorn Recently Reviewed By G2 Community
Browse options below. Based on reviewer data, you can see how GreatHorn stacks up to the competition, check reviews from current & previous users in industries like Information Technology and Services, and find the best product for your business.


  ### 1. [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews)
By Proofpoint
**Average Rating:** 4.6/5
**Total Reviews:** 601
Proofpoint Core Email Protection stops malware and non-malware threats such as impostor email.


Categories in common with GreatHorn: [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)

**Compare:** [GreatHorn vs Proofpoint Core Email Protection](https://www.g2.com/compare/greathorn-vs-proofpoint-core-email-protection)
**Compare Proofpoint Core Email Protection with other alternatives:**
- [Proofpoint Core Email Protection vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-proofpoint-core-email-protection)
- [Proofpoint Core Email Protection vs Paubox](https://www.g2.com/compare/paubox-vs-proofpoint-core-email-protection)
- [Proofpoint Core Email Protection vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-proofpoint-core-email-protection)
- [Proofpoint Core Email Protection vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-proofpoint-core-email-protection)
- [Proofpoint Core Email Protection vs Valimail](https://www.g2.com/compare/proofpoint-core-email-protection-vs-valimail)
- [Proofpoint Core Email Protection vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-proofpoint-core-email-protection)
- [Proofpoint Core Email Protection vs Sumo Logic](https://www.g2.com/compare/proofpoint-core-email-protection-vs-sumo-logic)
- [Proofpoint Core Email Protection vs Tines](https://www.g2.com/compare/proofpoint-core-email-protection-vs-tines)
- [Proofpoint Core Email Protection vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-proofpoint-core-email-protection)

  ### 2. [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews)
By Acronis
**Average Rating:** 4.7/5
**Total Reviews:** 1,434
Acronis Cyber Protect Cloud unites backup and next-generation, AI-based anti-malware, antivirus, and endpoint protection management in one solution. Integration and automation provide unmatched ease for service providers — reducing complexity while increasing productivity and decreasing operating costs. Acronis Cyber Protect Cloud is the single service provider solution that combines backup, anti-malware (including anti-virus, anti-ransomware, and anti-cryptojacking) and security and management capabilities such as vulnerability assessments, patch management, URL filtering and more. Now, service providers can eliminate complexity and make security a centerpiece of their offerings while increasing SLAs, decreasing churn, and generating more recurring revenue. Get upgraded security with integrated AI-based defenses that protect clients from modern threats, make smarter use of resources so your team can focus on clients, and earn new recurring revenue and higher margins that strengthen your business. Enriched with next-gen, full-stack anti-malware protection and comprehensive yet simple management tools, built on top of our industry-leading backup and data recovery solution, Acronis Cyber Protect Cloud simplifies onboarding, daily operations, and reporting, and combats advanced attacks with new use cases enabled by integration. Acronis Cyber Protect Cloud makes it easy to deliver the modern cyber protection your clients seek.


Categories in common with GreatHorn: [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)

**Compare:** [GreatHorn vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-greathorn)
**Compare Acronis Cyber Protect Cloud with other alternatives:**
- [Acronis Cyber Protect Cloud vs Proofpoint Core Email Protection](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-proofpoint-core-email-protection)
- [Acronis Cyber Protect Cloud vs Paubox](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-paubox)
- [Acronis Cyber Protect Cloud vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-knowbe4-phisher-phisher-plus)
- [Acronis Cyber Protect Cloud vs Check Point Email Security](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-check-point-email-security)
- [Acronis Cyber Protect Cloud vs Valimail](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-valimail)
- [Acronis Cyber Protect Cloud vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-crowdstrike-falcon-endpoint-protection-platform)
- [Acronis Cyber Protect Cloud vs Sumo Logic](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-sumo-logic)
- [Acronis Cyber Protect Cloud vs Tines](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-tines)
- [Acronis Cyber Protect Cloud vs CyberSentriq](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-cybersentriq)

  ### 3. [Paubox](https://www.g2.com/products/paubox/reviews)
By Paubox
**Average Rating:** 4.9/5
**Total Reviews:** 583
Paubox is an easy way to send and receive HIPAA compliant email.


Categories in common with GreatHorn: [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)

**Compare:** [GreatHorn vs Paubox](https://www.g2.com/compare/greathorn-vs-paubox)
**Compare Paubox with other alternatives:**
- [Paubox vs Proofpoint Core Email Protection](https://www.g2.com/compare/paubox-vs-proofpoint-core-email-protection)
- [Paubox vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-paubox)
- [Paubox vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-paubox)
- [Paubox vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-paubox)
- [Paubox vs Valimail](https://www.g2.com/compare/paubox-vs-valimail)
- [Paubox vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-paubox)
- [Paubox vs Sumo Logic](https://www.g2.com/compare/paubox-vs-sumo-logic)
- [Paubox vs Tines](https://www.g2.com/compare/paubox-vs-tines)
- [Paubox vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-paubox)

  ### 4. [KnowBe4 PhishER/PhishER Plus](https://www.g2.com/products/knowbe4-phisher-phisher-plus/reviews)
By KnowBe4, Inc.
**Average Rating:** 4.5/5
**Total Reviews:** 567
KnowBe4 PhishER is the key ingredient of an essential security workstream. It's your lightweight Security Orchestration, Automation and Response (SOAR) platform to orchestrate your threat response and manage the high volume of potentially malicious email messages reported by your users. And, with automatic prioritization of emails, PhishER helps your InfoSec and Security Operations team cut through the inbox noise and respond to the most dangerous threats more quickly.


Categories in common with GreatHorn: [Incident Response](https://www.g2.com/categories/incident-response)

**Compare:** [GreatHorn vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/greathorn-vs-knowbe4-phisher-phisher-plus)
**Compare KnowBe4 PhishER/PhishER Plus with other alternatives:**
- [KnowBe4 PhishER/PhishER Plus vs Proofpoint Core Email Protection](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-proofpoint-core-email-protection)
- [KnowBe4 PhishER/PhishER Plus vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-knowbe4-phisher-phisher-plus)
- [KnowBe4 PhishER/PhishER Plus vs Paubox](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-paubox)
- [KnowBe4 PhishER/PhishER Plus vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-knowbe4-phisher-phisher-plus)
- [KnowBe4 PhishER/PhishER Plus vs Valimail](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-valimail)
- [KnowBe4 PhishER/PhishER Plus vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-knowbe4-phisher-phisher-plus)
- [KnowBe4 PhishER/PhishER Plus vs Sumo Logic](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-sumo-logic)
- [KnowBe4 PhishER/PhishER Plus vs Tines](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-tines)
- [KnowBe4 PhishER/PhishER Plus vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-knowbe4-phisher-phisher-plus)

  ### 5. [Check Point Email Security](https://www.g2.com/products/check-point-email-security/reviews)
By Check Point Software Technologies
**Average Rating:** 4.6/5
**Total Reviews:** 534
Check Point Harmony Email & Office, protects enterprise data by preventing targeted attacks on SaaS applications and cloud-based email.


Categories in common with GreatHorn: [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)

**Compare:** [GreatHorn vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-greathorn)
**Compare Check Point Email Security with other alternatives:**
- [Check Point Email Security vs Proofpoint Core Email Protection](https://www.g2.com/compare/check-point-email-security-vs-proofpoint-core-email-protection)
- [Check Point Email Security vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-check-point-email-security)
- [Check Point Email Security vs Paubox](https://www.g2.com/compare/check-point-email-security-vs-paubox)
- [Check Point Email Security vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/check-point-email-security-vs-knowbe4-phisher-phisher-plus)
- [Check Point Email Security vs Valimail](https://www.g2.com/compare/check-point-email-security-vs-valimail)
- [Check Point Email Security vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/check-point-email-security-vs-crowdstrike-falcon-endpoint-protection-platform)
- [Check Point Email Security vs Sumo Logic](https://www.g2.com/compare/check-point-email-security-vs-sumo-logic)
- [Check Point Email Security vs Tines](https://www.g2.com/compare/check-point-email-security-vs-tines)
- [Check Point Email Security vs CyberSentriq](https://www.g2.com/compare/check-point-email-security-vs-cybersentriq)

  ### 6. [Valimail](https://www.g2.com/products/valimail/reviews)
By Valimail
**Average Rating:** 4.5/5
**Total Reviews:** 459
Valimail is the only solution that automates the path to DMARC enforcement from start to finish, providing rapid, ongoing protection against fraudulent use of your domains.


Categories in common with GreatHorn: [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)

**Compare:** [GreatHorn vs Valimail](https://www.g2.com/compare/greathorn-vs-valimail)
**Compare Valimail with other alternatives:**
- [Valimail vs Proofpoint Core Email Protection](https://www.g2.com/compare/proofpoint-core-email-protection-vs-valimail)
- [Valimail vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-valimail)
- [Valimail vs Paubox](https://www.g2.com/compare/paubox-vs-valimail)
- [Valimail vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-valimail)
- [Valimail vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-valimail)
- [Valimail vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-valimail)
- [Valimail vs Sumo Logic](https://www.g2.com/compare/sumo-logic-vs-valimail)
- [Valimail vs Tines](https://www.g2.com/compare/tines-vs-valimail)
- [Valimail vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-valimail)

  ### 7. [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews)
By CrowdStrike
**Average Rating:** 4.6/5
**Total Reviews:** 440
CrowdStrike Falcon endpoint protection unifies the technologies required to successfully stop breaches: next-generation antivirus, endpoint detection and response, IT hygiene, 24/7 threat hunting and threat intelligence. They combine to provide continuous breach prevention in a single agent.


Categories in common with GreatHorn: [Incident Response](https://www.g2.com/categories/incident-response)

**Compare:** [GreatHorn vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-greathorn)
**Compare CrowdStrike Falcon Endpoint Protection Platform with other alternatives:**
- [CrowdStrike Falcon Endpoint Protection Platform vs Proofpoint Core Email Protection](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-proofpoint-core-email-protection)
- [CrowdStrike Falcon Endpoint Protection Platform vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-crowdstrike-falcon-endpoint-protection-platform)
- [CrowdStrike Falcon Endpoint Protection Platform vs Paubox](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-paubox)
- [CrowdStrike Falcon Endpoint Protection Platform vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-knowbe4-phisher-phisher-plus)
- [CrowdStrike Falcon Endpoint Protection Platform vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-crowdstrike-falcon-endpoint-protection-platform)
- [CrowdStrike Falcon Endpoint Protection Platform vs Valimail](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-valimail)
- [CrowdStrike Falcon Endpoint Protection Platform vs Sumo Logic](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-sumo-logic)
- [CrowdStrike Falcon Endpoint Protection Platform vs Tines](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-tines)
- [CrowdStrike Falcon Endpoint Protection Platform vs CyberSentriq](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-cybersentriq)

  ### 8. [Sumo Logic](https://www.g2.com/products/sumo-logic/reviews)
By Sumo Logic
**Average Rating:** 4.3/5
**Total Reviews:** 403
Sumo Logic enables enterprises to build analytical power that transforms daily operations into intelligent business decisions


Categories in common with GreatHorn: [Incident Response](https://www.g2.com/categories/incident-response)

**Compare:** [GreatHorn vs Sumo Logic](https://www.g2.com/compare/greathorn-vs-sumo-logic)
**Compare Sumo Logic with other alternatives:**
- [Sumo Logic vs Proofpoint Core Email Protection](https://www.g2.com/compare/proofpoint-core-email-protection-vs-sumo-logic)
- [Sumo Logic vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-sumo-logic)
- [Sumo Logic vs Paubox](https://www.g2.com/compare/paubox-vs-sumo-logic)
- [Sumo Logic vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-sumo-logic)
- [Sumo Logic vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-sumo-logic)
- [Sumo Logic vs Valimail](https://www.g2.com/compare/sumo-logic-vs-valimail)
- [Sumo Logic vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-sumo-logic)
- [Sumo Logic vs Tines](https://www.g2.com/compare/sumo-logic-vs-tines)
- [Sumo Logic vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-sumo-logic)

  ### 9. [Tines](https://www.g2.com/products/tines/reviews)
By Tines
**Average Rating:** 4.7/5
**Total Reviews:** 401
Tines is an intelligent workflow platform that powers the world’s most important workflows. IT and security teams of all sizes, from Fortune 50 to startups, trust Tines for everything from phishing response, vulnerability and patch management, software lifecycle management, employee lifecycle management, and everything in between. Leaders across a wide array of industries –including Canva, Databricks, Elastic, Kayak, Intercom, and McKesson– use Tines AI-powered workflows to operate more effectively, mitigate risk, reduce tech debt, and do the work that matters most. Our workflow platform gives teams of any skillset (the most technical to your least technical) the tools to orchestrate, automate, and integrate your people, processes, and technology.


Categories in common with GreatHorn: [Incident Response](https://www.g2.com/categories/incident-response)

**Compare:** [GreatHorn vs Tines](https://www.g2.com/compare/greathorn-vs-tines)
**Compare Tines with other alternatives:**
- [Tines vs Proofpoint Core Email Protection](https://www.g2.com/compare/proofpoint-core-email-protection-vs-tines)
- [Tines vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-tines)
- [Tines vs Paubox](https://www.g2.com/compare/paubox-vs-tines)
- [Tines vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/knowbe4-phisher-phisher-plus-vs-tines)
- [Tines vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-tines)
- [Tines vs Valimail](https://www.g2.com/compare/tines-vs-valimail)
- [Tines vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-tines)
- [Tines vs Sumo Logic](https://www.g2.com/compare/sumo-logic-vs-tines)
- [Tines vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-tines)

  ### 10. [CyberSentriq](https://www.g2.com/products/cybersentriq/reviews)
By CyberSentriq
**Average Rating:** 4.6/5
**Total Reviews:** 391
Cybersentriq provides Integrated Cybersecurity & Data Protection for Businesses and Managed Service Providers. Our unified AI-powered platform offers all in one email phishing and spam protection, DNS filtering, security awareness training, email archiving, M365 backup and recovery - enabling users to ensure compliance, easily store and retrieve data, and protect against online threats such as phishing and ransomware


Categories in common with GreatHorn: [Cloud Email Security](https://www.g2.com/categories/cloud-email-security)

**Compare:** [GreatHorn vs CyberSentriq](https://www.g2.com/compare/cybersentriq-vs-greathorn)
**Compare CyberSentriq with other alternatives:**
- [CyberSentriq vs Proofpoint Core Email Protection](https://www.g2.com/compare/cybersentriq-vs-proofpoint-core-email-protection)
- [CyberSentriq vs Acronis Cyber Protect Cloud](https://www.g2.com/compare/acronis-cyber-protect-cloud-vs-cybersentriq)
- [CyberSentriq vs Paubox](https://www.g2.com/compare/cybersentriq-vs-paubox)
- [CyberSentriq vs KnowBe4 PhishER/PhishER Plus](https://www.g2.com/compare/cybersentriq-vs-knowbe4-phisher-phisher-plus)
- [CyberSentriq vs Check Point Email Security](https://www.g2.com/compare/check-point-email-security-vs-cybersentriq)
- [CyberSentriq vs Valimail](https://www.g2.com/compare/cybersentriq-vs-valimail)
- [CyberSentriq vs CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/compare/crowdstrike-falcon-endpoint-protection-platform-vs-cybersentriq)
- [CyberSentriq vs Sumo Logic](https://www.g2.com/compare/cybersentriq-vs-sumo-logic)
- [CyberSentriq vs Tines](https://www.g2.com/compare/cybersentriq-vs-tines)


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