Email security companies are essential in today's digital world, where cyber threats are rampant. These firms provide services to protect email communications from phishing, malware, and data breaches. With organizations increasingly relying on email for daily operations, the need for robust security measures is growing. Companies in this space are innovating through the use of AI, automation, and other technologies to stay ahead of evolving threats. The industry is becoming more critical, especially with remote work increasing and cyber attacks on the rise, making it a pivotal sector in cybersecurity.

The companies highlighted here showcase a mix of sizes and specialties, ranging from startups to large enterprises. Many are headquartered in the United States, while others operate internationally, reflecting the global nature of email security challenges. Founded between 1999 and 2018, these firms focus on various solutions such as email filtering, encryption, and phishing detection. With teams from small to over 5,000 employees, they demonstrate innovation and resilience in protecting sensitive communications through advanced security measures.

Continue reading to learn about the top email security firms.

Top 26 Email Security Companies

1. Proofpoint

• Website: proofpoint.com
• Ownership type: Private Equity
• Headquarters: Sunnyvale, California, United States (USA)
• Employee distribution: United States (USA) 55%, United Kingdom (UK) 14%, Canada 6%, Other 25%
• Latest funding: $12.3B, April 2021
• Founded year: 2002
• Headcount: 1001-5000
• LinkedIn: proofpoint

Proofpoint, Inc., founded in 2002 and headquartered in Sunnyvale, California, is a cybersecurity firm that specializes in protecting organizations from advanced threats through a suite of software solutions. The company offers a range of services, including email security, data loss prevention, and compliance solutions, primarily targeting businesses across various industries. Proofpoint operates on a Software as a Service (SaaS) model, allowing for scalable and adaptive security measures. With a workforce of nearly 5,000 employees, the company has established a significant presence in the cybersecurity market. Proofpoint has been recognized for its innovative approach, processing billions of emails daily to detect and block threats. In 2021, the company was acquired by Thoma Bravo for $12.3 billion, marking a notable event in its history and underscoring its value in the cybersecurity space.

2. Barracuda

• Website: barracuda.com
• Ownership type: Private Equity
• Headquarters: Campbell, California, United States (USA)
• Employee distribution: United States (USA) 47%, India 21%, United Kingdom (UK) 10%, Other 23%
• Latest funding: April 2022
• Founded year: 1999
• Headcount: 1001-5000
• LinkedIn: barracuda-networks

Barracuda Networks, Inc., founded in 1999 and based in Campbell, California, is a cybersecurity firm that provides a range of solutions aimed at protecting digital assets. With a workforce of over 2,100 employees, Barracuda has built a reputation for its robust cybersecurity offerings, which include email protection, data protection, and network security. The company operates primarily through a Software-as-a-Service (SaaS) model, allowing businesses to implement their solutions with ease. Barracuda's email protection services are particularly noteworthy, as they address various email threat types, including spam, malware, and advanced phishing attacks. Their solutions are designed to safeguard organizations' email communications and data, especially for users of Microsoft 365. Barracuda's commitment to innovation is evident in their continuous updates and enhancements to their security measures, ensuring that they remain relevant in a rapidly evolving cyber threat environment.

3. Mimecast

• Website: mimecast.com
• Ownership type: Private Equity
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: United States (USA) 35%, United Kingdom (UK) 25%, South Africa 17%, Other 23%
• Latest funding: $5.8B, December 2021
• Founded year: 2003
• Headcount: 1001-5000
• LinkedIn: mimecast

Mimecast Limited, headquartered in London, England, is a cybersecurity firm that specializes in cloud-based email management solutions. Established in 2003, the company has grown to serve over 42,000 organizations worldwide, providing essential services that include advanced email security, archiving, and continuity. Mimecast's solutions are designed to protect against a variety of email threats, ensuring compliance with data protection regulations. The company has a significant presence in the United States, the United Kingdom, South Africa, India, and Australia, reflecting its global reach. In December 2021, Mimecast secured substantial funding, further solidifying its position in the cybersecurity market. Their innovative approach, particularly in leveraging AI for threat detection and management, underscores their commitment to addressing the complexities of modern email security challenges.

4. Agari

• Website: agari.com
• Ownership type: Corporate
• Headquarters: Foster City, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: May 2021
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: agari

Agari, founded in 2009 and based in Foster City, California, is a cybersecurity company that focuses on email security solutions. Operating under the umbrella of Fortra, Agari provides a range of products aimed at protecting businesses from advanced email threats. Their offerings include Cloud Email Protection, DMARC Protection, and Security Awareness Training, which are tailored to meet the needs of various industries, including finance, healthcare, and technology. Agari's solutions leverage artificial intelligence and threat intelligence to detect and mitigate risks associated with phishing and business email compromise. The company has established itself as a key player in the email security market, receiving accolades for its innovative approach and effectiveness in safeguarding email communications.

5. Tessian

• Website: tessian.com
• Ownership type: Corporate
• Headquarters: Boston, Massachusetts, United States (USA)
• Employee distribution: United Kingdom (UK) 79%, United States (USA) 15%, Bulgaria 6%
• Latest funding: October 2023
• Founded year: 2013
• Headcount: 201-500
• LinkedIn: tessian

Tessian, founded in 2013 and based in Boston, Massachusetts, is a cybersecurity firm that specializes in cloud email security solutions. The company employs artificial intelligence to provide protection against sophisticated email threats and offers data loss prevention services tailored for various sectors, including finance and healthcare. Tessian's platform enhances security awareness among users, helping organizations mitigate risks associated with email communications. The company has gained recognition for its innovative approach, being named a Strong Performer in The Forrester Wave™ for Enterprise Email Security in Q2 2023. With a workforce of around 201-500 employees, Tessian operates primarily in the United Kingdom, with a growing presence in the United States and Bulgaria. Their commitment to improving email security through advanced technology positions them as a significant player in the cybersecurity industry.

6. Cofense

• Website: cofense.com
• Ownership type: Private Equity
• Headquarters: Leesburg, Virginia, United States (USA)
• Employee distribution: United States (USA) 53%, Philippines 12%, United Kingdom (UK) 12%, Other 23%
• Latest funding: Other (Debt), February 2021
• Founded year: 2011
• Headcount: 201-500
• LinkedIn: cofense

Cofense, founded in 2011 and based in Leesburg, Virginia, is a cybersecurity firm that specializes in email security solutions. The company is known for its PhishMe Security Awareness Training (SAT) and Phishing Detection and Response platforms, which help organizations protect against phishing threats. Cofense has developed a unique model that utilizes a large network of trained employees to report phishing attempts, providing real-time intelligence that enhances threat detection. With over 35 million Cofense-trained employees actively participating in threat reporting, the company has built a significant repository of phishing intelligence. Cofense's solutions are utilized by numerous Fortune 1000 enterprises, showcasing their relevance and effectiveness in the industry. The company operates globally, with a presence in the Philippines, the United Kingdom, Australia, and the United Arab Emirates, reflecting its commitment to addressing email security challenges on an international scale.

7. Valimail

• Website: valimail.com
• Ownership type: Venture Capital
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series C, $45.0M, June 2019
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: valimail

Valimail, founded in 2015 and based in Denver, Colorado, is an email security provider that specializes in DMARC enforcement solutions. The company focuses on helping businesses protect their email domains from phishing attacks and ensuring compliance with email security standards. Valimail serves a wide range of clients, including IT professionals and marketers, by offering automated solutions that enhance email security. The company has gained recognition for its innovative approach, particularly its patented technology that allows for unlimited SPF lookups, which is crucial for effective email authentication. Valimail has also received significant funding, totaling $45 million in a Series C round in June 2019, which underscores investor confidence in its business model and growth potential. With over 45,000 businesses relying on its services, Valimail continues to play a vital role in the email security industry, addressing the growing concerns around email fraud and compliance.

8. Egress, a KnowBe4 company

• Website: egress.com
• Ownership type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 92%, United States (USA) 6%, Other 2%
• Latest funding: April 2024
• Founded year: 2007
• Headcount: 201-500
• LinkedIn: egress-software

Egress, a KnowBe4 company, is a cybersecurity firm based in London, England, founded in 2007. The company specializes in email security and secure file sharing solutions, providing organizations with tools to protect against data breaches and enhance secure communication. Their product offerings include the Intelligent Email Security Suite, which features solutions like Egress Defend, Egress Prevent, and Egress Protect. These tools are designed to mitigate risks associated with phishing attacks, accidental data loss, and unauthorized access to sensitive information. Egress serves clients across various sectors, including financial services, healthcare, and government, demonstrating their capability to address the unique security needs of different industries. The company has not reported any recent funding, indicating a stable operational status within the cybersecurity market.

9. Trustifi

• Website: trustifi.com
• Ownership type: Venture Capital
• Headquarters: Las Vegas, Nevada, United States (USA)
• Employee distribution: United States (USA) 66%, Israel 34%
• Latest funding: Seed, $4.0M, May 2017
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: trustifi-corporation

Trustifi, founded in 2005 and based in Las Vegas, Nevada, is an email security provider that focuses on safeguarding businesses from email threats. With a workforce of around 29 employees, the company operates on a Software-as-a-Service (SaaS) model, making it easy for organizations to deploy their security solutions. Trustifi's product suite includes Inbound Shield, which offers multi-layered protection against sophisticated phishing and ransomware attacks, and Outbound Shield, which provides data loss prevention and compliance management. The company has also developed Email Security Awareness Training to help organizations educate their employees about email threats. Trustifi has received $4 million in seed funding, which underscores its potential for growth and innovation in the email security sector. Their services cater to various industries, including legal, healthcare, finance, and education, showcasing their adaptability and commitment to addressing the unique needs of different sectors.

10. Ironscales

• Website: ironscales.com
• Ownership type: Private Equity
• Headquarters: Atlanta, Georgia, United States (USA)
• Employee distribution: United States (USA) 42%, Israel 40%, United Kingdom (UK) 8%, Other 10%
• Latest funding: $26.0M, November 2024
• Founded year: 2014
• Headcount: 51-200
• LinkedIn: ironscales

Ironscales, based in Atlanta, Georgia, is a cybersecurity firm specializing in email security solutions. Since its inception in 2014, the company has focused on protecting organizations from a variety of email-based threats, including phishing, account takeover, and social engineering attacks. Ironscales serves over 15,000 customers, which include both enterprises and managed service providers, showcasing its broad appeal and effectiveness in the market. The company leverages advanced technologies, particularly generative AI, to enhance its threat detection and response capabilities. This innovative approach allows organizations to cut down on phishing remediation time significantly, transforming hours of work into mere minutes. Additionally, Ironscales emphasizes the importance of security awareness training, offering phishing simulation testing to empower employees in recognizing and responding to potential threats. Their recent funding of $26 million in November 2024 further underscores their growth trajectory and commitment to advancing email security solutions.

11. Hornetsecurity

• Website: hornetsecurity.com
• Ownership type: Private Equity
• Headquarters: Hanover, Lower Saxony, Germany
• Employee distribution: Germany 37%, North Macedonia 15%, Malta 13%, Other 35%
• Latest funding: September 2022
• Founded year: 2007
• Headcount: 501-1000
• LinkedIn: hornetsecurity

Hornetsecurity, based in Hanover, Germany, is a cybersecurity firm that specializes in email security and data protection solutions. Since its inception in 2007, the company has developed a range of services aimed at protecting businesses from cyber threats. Their product suite includes advanced threat protection, email encryption, email archiving, and backup solutions, all designed to ensure the integrity and security of digital communications. Hornetsecurity serves a global clientele, boasting over 75,000 customers and a partner network of more than 12,000. The company has a strong emphasis on Microsoft 365 security, reflecting the growing demand for cloud-based solutions in the cybersecurity space. With a dedicated team of specialists, Hornetsecurity is committed to addressing the evolving challenges of email security and data protection.

12. Avanan, a Check Point Company

• Website: avanan.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 50%, Israel 48%, Canada 2%
• Latest funding: $300.0M, August 2021
• Founded year: 2014
• Headcount: 5001-10000
• LinkedIn: avanan

Avanan, a Check Point Company, is a cybersecurity firm based in New York, specializing in email security solutions. Founded in 2014, Avanan has carved out a niche in protecting enterprise clients from a range of email-based threats, including phishing, malware, and ransomware. The company offers a suite of services that includes anti-phishing measures, data loss prevention, and incident response, primarily targeting businesses that require robust security protocols. Avanan's solutions are designed to integrate seamlessly with popular platforms such as Microsoft 365 and G Suite, ensuring comprehensive protection against evolving threats. In 2021, the company secured $300 million in funding, underscoring its growth trajectory and the confidence investors have in its strategic direction. With a strong emphasis on innovation, Avanan employs advanced AI and machine learning technologies to enhance its threat detection and response capabilities, positioning itself as a significant player in the email security sector.

13. EasyDMARC

• Website: easydmarc.com
• Ownership type: Venture Capital
• Headquarters: Dover, Delaware, United States (USA)
• Employee distribution: Armenia 87%, United States (USA) 7%, United Kingdom (UK) 4%, Other 2%
• Latest funding: Series A, $20.0M, September 2024
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: easydmarc

EasyDMARC, based in Dover, Delaware, is an email security provider that specializes in enhancing email deliverability and safeguarding businesses against phishing and spoofing attacks. Founded in 2018, the company has developed a comprehensive suite of tools for implementing DMARC, SPF, and DKIM protocols. Their platform is tailored for ease of use, enabling organizations to manage their email security effectively without requiring extensive technical knowledge. EasyDMARC serves a variety of industries, including finance, healthcare, and education, and has gained recognition for its commitment to improving email security practices. The company has recently raised $20 million in Series A funding, reflecting strong investor confidence in its growth trajectory and the increasing importance of email security solutions. Additionally, EasyDMARC offers educational resources through its Academy, helping users understand and implement email authentication protocols effectively.

14. Hornetsecurity (Formerly Vade)

• Website: vadesecure.com
• Ownership type: Corporate
• Headquarters: Hem, Hauts-De-France, France
• Employee distribution: France 82%, Japan 8%, Canada 7%, Other 3%
• Latest funding: March 2024
• Founded year: 2009
• Headcount: 201-500
• LinkedIn: vade-secure

Hornetsecurity, formerly known as Vade, is a cybersecurity firm based in Hem, Hauts-De-France, France, founded in 2009. The company specializes in email security and data protection solutions, offering a range of products designed to protect businesses from cyber threats. Their services include comprehensive email security, security awareness training, and backup solutions, primarily targeting users of Microsoft 365 and Google Workspace. Hornetsecurity's technology leverages artificial intelligence to enhance protection against phishing, malware, and ransomware attacks. With a workforce of approximately 226 employees, the company has established a significant presence in the cybersecurity sector, protecting over 1.4 billion mailboxes worldwide and analyzing around 100 billion emails daily. Their commitment to continuous improvement and adaptation to emerging threats positions them as a relevant player in the email security market.

15. Clearswift

• Website: clearswift.com
• Ownership type: Corporate
• Headquarters: Theale, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: December 2019
• Founded year: 1982
• Headcount: 201-500
• LinkedIn: clearswift

Clearswift, now part of Fortra, is a cybersecurity company based in Theale, England, specializing in advanced email security solutions. Founded in 1982, the company has evolved to address the growing challenges posed by email threats, such as phishing and business email compromise. Their product offerings include cloud email protection, secure email gateways, and threat intelligence services, all designed to integrate seamlessly with existing email infrastructures. Clearswift's solutions are utilized by organizations across various sectors, including healthcare, finance, and technology. The company operates primarily through a SaaS model, allowing for flexible deployment in cloud, on-premise, or hybrid environments. Their commitment to innovation is underscored by recent accolades from industry analysts, recognizing their effectiveness in combating advanced email threats.

16. TitanHQ

• Website: titanhq.com
• Ownership type: Private Equity
• Headquarters: Galway, Galway, Ireland
• Employee distribution: Ireland 88%, United States (USA) 10%, Other 3%
• Latest funding: June 2020
• Founded year: 1999
• Headcount: 51-200
• LinkedIn: titanhq

TitanHQ, based in Galway, Ireland, is a cybersecurity firm established in 1999. The company specializes in providing software solutions aimed at safeguarding businesses from various online threats. Its product lineup includes SpamTitan, an email anti-spam solution, and PhishTitan, which focuses on phishing protection. TitanHQ primarily serves Managed Service Providers (MSPs) and organizations that require robust cybersecurity measures. The company has developed a reputation for its effective email security solutions, which integrate seamlessly with platforms like Microsoft 365. This integration is particularly relevant as organizations increasingly adopt cloud-based services. TitanHQ's commitment to innovation is evident in its use of advanced technologies, such as machine learning, to enhance its threat detection capabilities. With a workforce of around 160 employees, TitanHQ continues to evolve its offerings to meet the changing demands of the cybersecurity landscape.

17. Mailprotector

• Website: mailprotector.com
• Ownership type: Venture Capital
• Headquarters: Greenville, South Carolina, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series A, $5.0M, March 2020
• Founded year: 1999
• Headcount: 11-50
• LinkedIn: mailprotector

Mailprotector, based in Greenville, South Carolina, is an email security provider that has been operational since 1999. The company specializes in a suite of products designed to enhance email management and protection for businesses and organizations. Their services include email filtering, encryption, and compliance solutions, primarily targeting managed service providers (MSPs) and businesses that require secure email communications. Mailprotector has a strong focus on delivering innovative solutions to address the challenges of email security and compliance. The company operates with a channel-exclusive model, ensuring that it does not compete with its partners, which fosters a collaborative environment. In March 2020, Mailprotector secured $5 million in Series A funding, reflecting investor confidence in its growth trajectory and the relevance of its offerings in the email security market.

18. OnDMARC

• Website: ondmarc.com
• Ownership type: Private
• Headquarters: London, England, United Kingdom (UK)
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: ondmarc

OnDMARC is a cybersecurity solution developed by Red Sift, a company founded in 2016 and based in London, UK. Specializing in email security and domain protection, OnDMARC provides organizations with tools to configure and manage DMARC, DKIM, and SPF protocols effectively. This service is crucial for safeguarding digital communications against phishing and other cyber threats. Red Sift's clientele includes a variety of businesses that rely on their expertise to enhance their cybersecurity posture. The company has made strides in the industry by offering innovative solutions that help organizations protect their email infrastructure and brand reputation. OnDMARC is recognized for its user-friendly interface and comprehensive support, making it a valuable asset for companies looking to bolster their email security.

19. MailGuard Pty Ltd

• Website: mailguard.com.au
• Ownership type: Private
• Headquarters: Melbourne, Victoria, Australia
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: mailguard-pty-ltd

MailGuard Pty Ltd, based in Melbourne, Victoria, Australia, is a cybersecurity company that has been operational since 2001. The firm specializes in email security solutions, offering products such as MailGuard, SafeGuard, and ImageGuard. These services are designed to protect businesses from email-borne threats, including phishing, ransomware, and Business Email Compromise (BEC). Operating on a Software as a Service (SaaS) model, MailGuard provides a seamless experience that requires no software installation or maintenance, ensuring business continuity and compliance for its clients. The company has established itself as a proactive player in the cybersecurity field, with a focus on predictive email security that anticipates emerging threats. MailGuard's solutions integrate smoothly with popular platforms like Microsoft 365 and Google Workspace, further solidifying its role in the email security industry. The company is ISO/IEC 27001:2022 certified, reflecting its commitment to maintaining high standards in information security management.

20. HPE Security - Data Security

• Website: voltage.com
• Ownership type: Venture Capital
• Headquarters: Sunnyvale, California, United States (USA)
• Employee distribution: India 41%, United States (USA) 22%, China 10%, Other 27%
• Latest funding: $625,000, February 2014
• Founded year: 2002
• Headcount: 201-500
• LinkedIn: hpe-security-data-security

HPE Security - Data Security, known for its Voltage brand, is a data security company based in Sunnyvale, California. Founded in 2002, the company has carved out a niche in providing software solutions that focus on email security and data protection. Their flagship products, Voltage SecureMail and Voltage SecureData, are designed to help organizations secure sensitive communications and comply with regulatory standards. Voltage's solutions are particularly valuable in sectors such as government, healthcare, and finance, where data integrity and confidentiality are paramount. The company has received funding, with the last reported amount being $625,000 in 2014, which reflects ongoing interest in their innovative approach to data security. Voltage's technology includes advanced encryption methods, ensuring that sensitive information remains protected during transmission. Their commitment to enhancing email security through user-friendly solutions positions them as a relevant player in the industry.

21. Abnormal Security

• Website: abnormalsecurity.com
• Ownership type: Venture Capital
• Headquarters: Las Vegas, Nevada, United States (USA)
• Employee distribution: United States (USA) 62%, United Kingdom (UK) 11%, India 9%, Other 18%
• Latest funding: Series D, $250.0M, August 2024
• Founded year: 2018
• Headcount: 501-1000
• LinkedIn: abnormalsecurity

Abnormal Security is a cybersecurity firm based in Las Vegas, Nevada, specializing in email security solutions. Founded in 2018, the company has rapidly gained recognition for its innovative approach to combating email threats. Abnormal Security offers a range of products that protect organizations from email attacks, including phishing, social engineering, and account takeovers. Their solutions utilize AI-driven technology to analyze human behavior, allowing for more accurate detection of anomalies and threats. The company operates on a SaaS model, providing automated solutions that enhance cybersecurity for its clients. With a customer base that includes more than 17% of the Fortune 500 and over 2,000 organizations, Abnormal Security has established itself as a significant player in the email security market. The company recently secured $250 million in Series D funding, underscoring its growth trajectory and the confidence investors have in its future.

22. dmarcian

• Website: dmarcian.com
• Ownership type: Private
• Headquarters: Brevard, North Carolina, United States (USA)
• Employee distribution: United States (USA) 73%, Canada 7%, Australia 7%, Other 14%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: dmarcian

dmarcian, established in 2012 and based in Brevard, North Carolina, is a cybersecurity firm that specializes in email security and domain management. The company offers a range of services, including a DMARC Management Platform and deployment services, aimed at helping organizations safeguard their email domains against spoofing and phishing threats. dmarcian's expertise is rooted in its founding by a key contributor to the DMARC specification, which underscores its authority in the field. The company provides educational resources, free tools, and dedicated support to assist clients in navigating the complexities of email authentication. With a focus on compliance and security, dmarcian serves a variety of sectors, including education, finance, healthcare, and technology, making it a trusted partner for organizations seeking to enhance their email security posture.

23. Red Sift

• Website: redsift.com
• Ownership type: Venture Capital
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 53%, United States (USA) 13%, Spain 10%, Other 24%
• Latest funding: Series B, $54.0M, February 2022
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: redsift

Red Sift is a cybersecurity firm based in London, UK, specializing in email security and domain protection. Established in 2015, the company has developed a suite of tools aimed at enhancing the security of email communications for organizations. Their flagship offerings include the Red Sift Pulse Platform, which leverages AI to provide actionable insights, and OnDMARC, a cloud-based solution for managing DMARC, DKIM, and SPF configurations. Red Sift also offers Brand Trust, which focuses on monitoring and protecting brands from impersonation and fraud. With a client roster exceeding 1,000 businesses, including notable names like TUI and Capgemini, Red Sift plays a crucial role in helping organizations safeguard their email infrastructure. The company has attracted significant investment, securing $54 million in Series B funding in early 2022, which underscores its growth trajectory and commitment to innovation in the cybersecurity field.

24. Sendio Technologies, Inc.

• Website: sendio.com
• Ownership type: Venture Capital
• Headquarters: Newport Beach, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: December 2016
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: sendio

Sendio Technologies, Inc., based in Newport Beach, California, is a cybersecurity firm that specializes in email security solutions. Established in 2003, the company has developed a range of products designed to protect businesses from spam, phishing, and other email-related threats. Their key offerings include the Email Security Gateway, which utilizes advanced filtering technologies to eliminate unwanted emails, and Server Recon, a unique system that challenges potential spam sources before allowing email delivery. Sendio's solutions are tailored to enhance productivity and security for various industries that rely heavily on secure email communications. The company operates with a small team, emphasizing agility and innovation in its approach to email security.

25. INKY Technology

• Website: inky.com
• Ownership type: Venture Capital
• Headquarters: College Park, Maryland, United States (USA)
• Employee distribution: United States (USA) 90%, India 10%
• Latest funding: Series B, $20.0M, June 2020
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: inky-technology

INKY Technology Corporation, founded in 2008 and based in College Park, Maryland, is a cybersecurity company that specializes in email security solutions. The firm has developed a range of products designed to protect organizations from phishing attacks, malware threats, and data breaches. INKY's offerings include inbound and outbound mail protection, internal mail protection, email encryption, and advanced attachment analysis. Their platform is particularly notable for its behavioral email security capabilities, which utilize AI and human insights to adapt to evolving threats. INKY serves a variety of sectors, including finance, healthcare, and technology, and has established a reputation for effectively securing email communications. The company has also attracted significant venture capital funding, with a Series B round raising $20 million in June 2020, underscoring its growth potential and relevance in the cybersecurity industry.

26. Openfind

• Website: openfind.com
• Ownership type: Private
• Headquarters: Taiwan
• Employee distribution: Taiwan 100%
• Founded year: 1998
• Headcount: 51-200
• LinkedIn: openfind-information-technology-inc-

Openfind, established in 1998 and based in Taiwan, is a private technology firm that specializes in email security and management solutions. The company offers a range of products, including Mail2000, MailGates, and MailBase, which are tailored to help businesses secure their email communications and manage data effectively. Openfind's solutions are particularly relevant for industries that require stringent data protection measures, such as finance and healthcare. The company has built a reputation for addressing the evolving challenges of cybersecurity, including advanced threats like Business Email Compromise (BEC) and Advanced Persistent Threats (APT). With a dedicated focus on enhancing email security, Openfind has positioned itself as a significant player in the cybersecurity sector, particularly in the Asian market.

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