GreatHorn
OverviewSuggest Edit
GreatHorn develops a cyber security platform designed to prevent phishing attacks for cloud-based communication platforms. The Company's platform provides enterprises with comprehensive, cloud-native protection against message-based threats, driven by machine learning and automated response capabilities, enabling organizations to secure their communications across multiple channels.
| Type | Private | |
| Founded | 2015 | |
| HQ | Waltham, MA, US | Map |
| Website | greathorn.com | |
| Employee Ratings | More |
Latest Updates
| Employees (est.) (Jan 2021) | 53 | (+9%) |
| Cybersecurity rating | C | More |
Key People/Management at GreatHorn
Kevin O'Brien
CEO & Co-Founder
Raymond Wallace
CTO and Co-Founder
James Luciani
Vice President, Engineering
Michael Mayer
Vice President, Sales
Ann Sharon
Vice President, Operations
Matt Petrosky
Vice President, Customer Experience
GreatHorn Office Locations
GreatHorn has an office in Waltham
Waltham, MA, US (HQ)
260 Charles St #300
Waltham, MA, US
1075 Main St #210
GreatHorn Financials and Metrics
Summary Metrics
Founding Date | 2015 |
GreatHorn total Funding | $21.8 m |
GreatHorn latest funding size | $13 m |
Time since last funding | 2 years ago |
GreatHorn investors | Uncork Capital, Techstars, Zelkova Ventures, .406 Ventures, ff Venture Capital, RRE Ventures, Right Side Capital Management, Walter Winshall, Techstars Ventures, v1.vc |
GreatHorn's latest funding round in June 2019 was reported to be $13 m. In total, GreatHorn has raised $21.8 m
GreatHorn Cybersecurity Score
GreatHorn Online and Social Media Presence
907 Twitter followers
GreatHorn has 907 Twitter Followers. The number of followers has increased 9.7% month over month and increased 12.3% quarter over quarter
GreatHorn's Trends
Twitter Engagement Stats for @greathorn
1.8k
Tweets
824
Following
907
Followers
11
Tweets last 30 days
0.7
Avg. likes per Tweet
90.9%
Tweets with engagement
GreatHorn News and Updates
June 27, 2019
Cloud email cybersecurity startup GreatHorn raises $13M
Cloud email cybersecurity startup GreatHorn Inc. today said it has raised $13 million in new funding to expand its existing services in email security. The Series B round was co-led by RRE Ventures and .406 Ventures and included Techstars Ventures, V1.VC and Uncork Capital. Including the new fundin…
June 26, 2019
GreatHorn takes in $13 mln
Waltham, Massachusetts-based GreatHorn, an email security platform provider, has secured $13 million in funding. The lead investors were RRE Ventures and .406 Ventures.
June 26, 2019
GreatHorn nabs $13 million for cloud-hosted email security software
Cloud-hosted email security software provider Greathorn today announced that it has raised $13 million in venture capital.
February 22, 2019
GreatHorn Swoops In From The Cloud To Stop Phishing Attacks
GreatHorn has raised $10 million in venture capital and is in its third consecutive year of triple digit revenue growth, stopping phishing attacks from the cloud.
GreatHorn Blogs
January 11, 2021
Wrap-Up: Preventing Phishing Scams in the New Perimeter-Less World
In Case You Missed It Paul Asadoorian, Matt Alderman and Kevin O’Brien discuss how phishing scams have hit the healthcare industry. People have learned to live differently during this pandemic, which causes more users to become vulnerable. The problem with data breaches nowadays is that it can prey …
January 07, 2021
Webinar Wrap-up: 5 Cyber Threats to Prepare for in 2021
When the COVID-19 pandemic hit in early 2020, life changed for a long time, especially in the way we work. Though working from home is not a new practice, it has become the new normal. The increase in remote work has led to increased cyber threats against businesses of all sizes and industries. Remo…
January 06, 2021
Top 4 Cybersecurity Risks for Remote Education
Remote learning, communication, and collaboration solutions have emerged as the key drivers of the now quarantine economy. With solutions such as Zoom witnessing rapid adoption across the board – from educational institutions, to organizations, and government agencies – cyber risks associated with v…
December 29, 2020
Best Practices for Securing PII in Ecommerce and Delivery Services
The last thing that customers ever want to experience is an order error from Postmates. Meal delivery services such as DoorDash, Postmates and Uber Eats are easy targets for spoofing attacks. They consist of an immense amount of personally identifiable information (PII) and payment information. Bas…
December 29, 2020
Panel Wrap Up: Building and Managing an Effective Incident Response Process
When it comes to cybersecurity, it is not a question of if there will be an attack but of when. An incident response plan is a vital part of successful business operations as it helps to decrease risks and mitigate damages. In this panel recording by Dark Reading, you will hear from some experts in …
December 03, 2020
Phishing Attack Impersonating AMEX’s Using Google Forms: What Is It and What You Should Know
With the holidays just around the corner, more impersonation attacks are targeting users. In fact, brand impersonations are 83% of spear phishing attacks. Cyberattacks have become more subtle. As we embark on the holiday season, the GreatHorn Threat Intelligence Team found a clear example of a phish…
GreatHorn Frequently Asked Questions
When was GreatHorn founded?
GreatHorn was founded in 2015.
Who are GreatHorn key executives?
GreatHorn's key executives are Kevin O'Brien, Raymond Wallace and James Luciani.
How many employees does GreatHorn have?
GreatHorn has 53 employees.
Who are GreatHorn competitors?
Competitors of GreatHorn include Exabeam, Uplevel Security and Claroty.
Where is GreatHorn headquarters?
GreatHorn headquarters is located at 260 Charles St #300, Waltham.
Where are GreatHorn offices?
GreatHorn has an office in Waltham.
How many offices does GreatHorn have?
GreatHorn has 2 offices.
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