Cybersecurity

Email Security Companies and Anti Phishing Vendors 2026

Compare email security companies that stop phishing, business email compromise and malware. Filter secure email gateway vendors by revenue, headcount and location.

Browse Companies

Email Security Companies

4Privacy logo

4Privacy

Verified
Columbus, Ohio, United Statesinformation technology & services

4Privacy is a technology firm that has pioneered the 4Privacy Platform, a proprietary and modular technology designed to enhance data security, control, privacy, and sovereignty. This versatile platform of interoperating modules offers rigorous data sovereignty and security requirements of individuals, small businesses and enterprises - providing access and sharing while in control and authority over their data. The company's first product, aptly named 4Privacy, empowers people to effectively manage, safeguard, and maintain control of their personal information. All data is end-to-end encrypted and securely stored, ensuring utmost privacy. Sharing information with intended recipients is effortless, both within the 4Privacy app or through a web browser. 4Privacy's security travels with the data, protecting it even after it's been shared, and people retain the power to revoke access to their shared data at any time.

5 - 10 employees$1 mil. - $5 mil. revenue
Armorblox logo

Armorblox

Verified
Sunnyvale, California, United Statesinformation technology & services

Armorblox, founded in 2017 and now part of Cisco since mid-2023, is a cybersecurity company based in Sunnyvale, California. The company specializes in AI and machine learning-driven email security and data protection solutions. Armorblox focuses on securing enterprise communication channels, particularly email, by analyzing user identity, behavior, and communication content to detect and prevent sophisticated cyber threats. The company offers a range of services, including protection against business email compromise, phishing, and ransomware attacks, as well as data loss prevention and fraud detection. With over 58,000 customers, Armorblox is recognized for its interoperability through APIs and deep integrations with platforms like Microsoft Sentinel. Since joining Cisco, Armorblox enhances the Security Cloud portfolio by improving attack prediction and accelerating threat detection, contributing to a more comprehensive security experience for users and IT teams.

10 - 20 employees$1 mil. - $5 mil. revenueFounded 2017
Bitglass logo

Bitglass

Verified
Campbell, California, United Statesinformation technology & services

Bitglass, Inc. is a cybersecurity company based in Silicon Valley, founded in 2013 by experienced industry professionals. The company specializes in cloud security solutions that offer agentless, zero-day data and threat protection for various applications, devices, and locations. Their comprehensive Security Service Edge (SSE) platform integrates multiple security technologies, including Cloud Access Security Broker (CASB), Secure Web Gateway (SWG), Zero Trust Network Access (ZTNA), and Data Loss Prevention (DLP). This platform simplifies security management by consolidating protections for users accessing cloud applications and private data centers through a single console. The flagship product, the Next-Gen CASB, adapts to new cloud applications and threats, providing continuous security tailored for hybrid work environments. Bitglass primarily serves enterprises that need to secure their cloud data and applications, especially in distributed workforce settings. In October 2021, Bitglass was acquired by Forcepoint, enhancing its cloud security offerings and reinforcing its position in the market.

20 - 50 employees$5 mil. - $10 mil. revenue
Blue Phish logo

Blue Phish

Verified
Singapore, Singaporecomputer & network security

Blue phish delivers user level training for Businesses and Educational institutes. Aiding clients to understand their potential cyber risks, and subsequently providing solutions and tools to reduce to increase their cyber maturity. Blue phish delivers workshops and consultation, designed to engage and digestible by all. Today, Small to Mid-Size companies are most at risk, With 95% of cyber attacks occurring by human error within the company walls, Blue phish understand's it is not enough to only secure your perimeter, and engagement of non technical staff needs to be conducted in a interactive manner. Blue phish with educational institutes to educate teachers, parents and children on cyber safety.

5 - 10 employees$1 mil. - $5 mil. revenue
CERTINETY logo

CERTINETY

Verified
San Francisco, California, United Statescomputer & network security

Certinety is the premier provider of Automated Penetration Testing & Continuous Cyber Security Resilience Testing Solution. We offer a unique combination of flexibility, scalability and accuracy across multiple platforms, multiple applications, and various network & security devices, irrespective of the operating system or the physical location of these critical assets. Our proprietary security solution is designed to be agentless and is able to instantly run on-demand network assessments (internal assessments) to ensure that the complete attack surface is addressed. Our solution mimics real attackers with their latest tactics, techniques, and procedures and provide organizations with actionable visibility to strengthen their cyber security quotient. Our reporting mechanism is unparalleled and is critical for organizations to plan their infosec strategies and operations based on reality. Security solutions should be easy to use, and our platform is designed to be intuitive and user-friendly. We are committed to helping organizations around the world improve their cyber security posture and we strive to make the process of cyber security testing as painless as possible. Our focus on innovation and excellence has enabled us to remain a leader in our field and to develop the most comprehensive and sophisticated security solutions on the market. At Certinety, we take cyber security very seriously and we make it our priority to ensure that our clients stay as safe as possible. We are dedicated to providing the absolute best security solutions and services to organizations around the world.

1 - 5 employeesUnder $500,000 revenue
Celestix logo

Celestix

Verified
San Ramon, California, United Statesinformation technology & services

Celestix Networks, Inc. is a network security company founded in 1999 and based in Fremont, California. The company specializes in remote access, digital identity, authentication, and Zero Trust security solutions. With regional offices in London, Singapore, and Tokyo, Celestix has a global presence and focuses on simplifying network security for modern enterprises. The company offers a variety of products and services, including the InstaSafe Zero Trust Solution, which protects cloud environments by replacing traditional VPNs. Their V-Key Multi-Factor Authentication provides strong security for applications and enterprise systems. Celestix SecureAccess ensures secure connectivity for remote and hybrid workforces, while EdgeNexus enhances application performance through advanced load balancing. Celestix serves a diverse clientele, including corporate enterprises and government organizations, providing tailored managed security appliances and consulting services. With a dedicated team and a commitment to innovative security solutions, Celestix Networks is well-equipped to support businesses in navigating the complexities of securing digital identities and remote access.

20 - 50 employees$5 mil. - $10 mil. revenue
Charlotte IT Pros logo
Charlotte, North Carolina, United Statesinformation technology & services

Charlotte IT Pros is Charlotte's number #1 answer to all of your IT needs. We are Charlotte's IT specialists! For over 17 years businesses have turned to us to solve their problems, and we are happy to solve yours! We offer right sized solutions that you can count on. Charlotte IT Pros offers a variety of services including: Custom software development and maintenance. Salesforce development, implementation and administration. Cloud migration and administration. Website development and administration. Database maintenance. Cybersecurity services and disaster recovery.

1 - 5 employeesUnder $500,000 revenue
ClearPhish logo

ClearPhish

Verified
Lewes, Delaware, United Statescomputer & network security

CLEARPHISH INC, is a provider of Hyper-Realistic Phishing Simulations and Highly Impactful Cinematic Mode Cyber Awareness Training. Platform is designed with the sole goal of enabling employees to act whenever cyber attack happens in organization and we have achieved this by designing hyper realistic email templates which looks real and have high click rates, along with small size contextual & story based training modules having focus on what really happens in cyber world. WHAT MAKES US DIFFERENT THAN OTHERS 1. Industry First - Emotional Vulnerability Index Scoring 2. Hyper-Realistic Simulations written by offensive security experts 3. Cinematic Mode , Story Based Micro Size Cyber Awareness Modules Our platform does Precision Targeting to create Maximum Impact on Employees Cognitive Memory.

5 - 10 employees$1 mil. - $5 mil. revenue
Cloudflare Area 1 Security logo
San Francisco, California, United Statescomputer & network security

Cloudflare Area 1 Security is a cybersecurity company focused on advanced email security and phishing protection. Founded in 2013 by former U.S. National Security Agency employees, it developed the Area 1 Horizon platform, which proactively detects and mitigates various cyber threats, including phishing, ransomware, and malware. The company became part of Cloudflare in April 2022, enhancing Cloudflare's Zero Trust security platform with robust email security capabilities. Area 1 Horizon is a cloud-based service that identifies and eliminates email-based threats before they reach corporate environments. It utilizes a global network of sensors and threat intelligence to stop over 90% of cyberattacks originating from email. Additionally, the Cloudforce One initiative provides specialized teams for malware analysis and threat intelligence, offering customers valuable support and insights. Together, Cloudflare and Area 1 Security deliver a comprehensive security solution aimed at protecting organizations' entire network infrastructure, with a strong emphasis on securing email as a critical attack vector.

20 - 50 employees$5 mil. - $10 mil. revenue
Cybercede logo

Cybercede

Verified
Chittenango, New York, United Statescomputer & network security

Cybercede is an Information Technology Company focusing on Cyber Security and Graphic Design. Kenneth R. Walling Jr., is the president of Cybercede and currently holds a CISSP and GREM Certifications. With over 20 years of information security experience he is the right man for the job.

1 - 5 employeesUnder $500,000 revenueFounded 1999
DMARC24 logo

DMARC24

Verified
Weinheim, Baden-Wuerttemberg, Germanyinformation technology & services

We help you, that your e-mails go into the inbox and not to the spamfolder and we help to protect your domain from phishing and CEO fraud attacks. The email security standards DMARC, DKIM and SPF have become indispensable in email communication. However, if they are configured incorrectly (and this unfortunately happens frequently), it leads to either the desired protection not taking effect or e-mails no longer being delivered reliably. Our experienced experts therefore support you in configuring and monitoring DMARC, DKIM and SPF securely and reliably.

1 - 5 employeesUnder $500,000 revenue
Deep Secure logo

Deep Secure

Verified
Great Malvern, England, United Kingdomcomputer & network security

Everfox, formerly known as Deep Secure, is a cybersecurity company based in Malvern, England, with over 25 years of experience in protecting critical data and networks worldwide. Following a merger with Forcepoint Federal in January 2024, Everfox focuses on advanced threat protection solutions for governments, defense, critical infrastructure, and enterprise organizations. The company offers a range of technologies, including Content Disarm & Reconstruction (CDR), Microsoft 365 Email Protection, and Cloud-Delivered Remote Browser Isolation (RBI). Their solutions also encompass Web Security Gateway Extensions and Advanced API Threat Protection, ensuring secure web and application traffic. Everfox is committed to addressing complex cyber challenges with innovative, high-assurance cybersecurity solutions, supported by a strong portfolio of patents. Their technology is trusted by clients in over 20 countries, emphasizing a proactive approach to combatting sophisticated cyber threats.

10 - 20 employees$1 mil. - $5 mil. revenue
Diligent Solutions logo
Oxon Hill-Glassmanor, Maryland, United Statesinformation technology & services

Diligent Solutions is dedicated to empowering your business success through a unique, integrated approach that emphasizes people, process, and technology. Specializing in industries such as Government Contracting, Aerospace / Aviation, Data Centers, Information Technology, AI/ML (Artificial Intelligence / Machine Learning), Cyber Security, Legal, and Medical, we tailor our solutions to each industry's specific needs. Our mission is centred on: • People: We harness expert skills and cultivate a diverse and inclusive culture, prioritizing the growth and development of your team to drive success. • Process: By streamlining your operations, we enhance productivity and effectiveness, ensuring that your business functions smoothly and efficiently. • Technology: We leverage cutting-edge tools and automation, keeping you at the forefront of the rapidly evolving digital landscape. Together, these pillars form the foundation of our services, ensuring that every aspect of your business is aligned for success. With Diligent Solutions, you're not just employing a service; you're partnering with a team equipped with the skills, knowledge, and passion to make it happen.

1 - 5 employeesUnder $500,000 revenue
DmarcDkim.com logo

DmarcDkim.com

Verified
Berlin, Berlin, Germanyinformation technology & services

DmarcDkim.com empowering businesses with robust email authentication solutions. We specialize in implementing DMARC, DKIM, and SPF protocols to enhance email security, protect brand reputation, and ensure message deliverability. Our expert team helps organizations of all sizes defend against email-based threats, including phishing, spoofing, and domain abuse. Key offerings: - DMARC analytics, implementation and monitoring - SPF record optimization - Email authentication consulting - Continuous threat detection and reporting Trust in every message. Partner with DmarcDkim.com to safeguard your digital communications and build confidence in your email ecosystem.

1 - 5 employeesUnder $500,000 revenue
ESKA SECURITY logo

ESKA SECURITY

Verified
Vaughan, Ontario, Canadainformation technology & services

ESKA is a leading global cybersecurity provider dedicated to safeguarding businesses from SMB to Enterprise. Our mission is to empower businesses with robust security, privacy, and compliance programs, backed by 250+ successful use cases worldwide. With over 8 years of experience, our certified experts offer comprehensive security services, including Blue Team protection, Red Team adversarial testing, and compliance assistance for safety standards like SOC 2, CCPA/CPRA, PCI DSS, ISO 27001, GDPR, and HIPAA.

20 - 50 employees$5 mil. - $10 mil. revenue
EmailLabs™ logo

EmailLabs™

Verified
Poznan, wielkopolskie, Polandinformation technology & services

EmailLabs™ is an email delivery platform tailored for developers and businesses that need reliable and secure email communication. It offers a range of services, including transactional email, email APIs, and email verification, all designed to ensure high deliverability and speed. As a Communications Platform as a Service (CPaaS), EmailLabs helps businesses manage their email processes effectively. Its features include tools for maintaining sender reputation, maximizing inbox placement, and reducing bounce rates. Clients can integrate email capabilities into their applications seamlessly and benefit from dedicated IPs and sub-accounts for better management of their email sending. EmailLabs serves a variety of industries, including e-commerce and transportation, and is known for its quick integration, scalability, and competitive pricing. The platform also provides advanced analytics and responsive technical support, making it a strong partner for businesses that rely on effective email communication.

20 - 50 employees$5 mil. - $10 mil. revenue
Ethical Intruder logo
Pittsburgh, Pennsylvania, United Statesinformation technology & services

Ethical Intruder is a cybersecurity services company based in Pittsburgh, founded in 2010. The company specializes in protecting organizations from cyber crimes, financial harm, and reputational loss through thorough security evaluations and training. They conduct penetration testing, vulnerability assessments, and social engineering exercises to identify and address security weaknesses in business applications and web-accessible entry points. Their services include penetration and vulnerability testing, compliance and risk management, social engineering training, and security program maturity roadmaps. Ethical Intruder employs a vendor- and technology-agnostic approach, utilizing existing client technologies to enhance security without unnecessary replacements. Their team consists of software engineers, product development experts, and network security specialists, all focused on aligning their strategies with the tactics used by malicious intruders. Ethical Intruder serves a diverse range of sectors, including healthcare, medical IT, and financial services, providing scalable and tailored cybersecurity solutions to meet the needs of organizations of all sizes.

10 - 20 employees$1 mil. - $5 mil. revenue
EveryCloud UK logo

EveryCloud UK

Verified
London, England, United Kingdominformation technology & services

EveryCloud IT Security, also known as EveryCloud Security Limited, is a UK-based cybersecurity consultancy founded in 2016 and headquartered in Weybridge, Surrey. The company specializes in IT security strategies and cloud security solutions, focusing on creating secure and flexible work environments. They utilize advanced technologies like artificial intelligence and machine learning for real-time threat detection and response. EveryCloud offers a wide range of cybersecurity services. They help businesses transform their IT infrastructure with cloud-based security solutions such as Secure Access Service Edge (SASE) and Zero Trust Network Access (ZTNA). Their protection services include web, email, and endpoint security, featuring anti-phishing software and attack surface management. Additionally, they provide cloud backup services to secure data and applications, ensuring rapid recovery from cybersecurity incidents. The company also enhances enterprise connectivity through telephony and contact center integrations for Microsoft Teams. EveryCloud serves various business customers, particularly those needing secure remote work capabilities. They emphasize a people-led approach and actively engage with the IT community through events and webinars, promoting knowledge sharing and collaboration.

5 - 10 employees$1 mil. - $5 mil. revenue
ExchangeDefender logo
Orlando, Florida, United Statesinformation technology & services

ExchangeDefender specializes in advanced email security, archiving, and compliance solutions for small business. Our solutions are designed to secure, archive, and protect company data. ExchangeDefender offers the IT industry's most powerful email protection and storage for business.

1 - 5 employeesUnder $500,000 revenueFounded 1997
FIRST DEFENSE ARTIFICIAL INTELLIGENCE logo
Huntsville, Alabama, United Statescomputer & network security

WHAT WE DO: We help U.S. Department of Defense (DoD) contractors and subcontractors ensure they can achieve Cybersecurity Maturity Model Certification (CMMC), a requirement for all DoD contractors. In addition, we help our clients bridge the gap between Information Technology (IT), Cybersecurity and Compliance with a unique approach that includes a comprehensive gap analysis + an enterprise-style approach to individual departments. What does all that mean? FD will help you secure your network and provide ongoing consultation services & help you meet compliance requirements. This includes supplying virtual Chief Information Security Officers (vCISOs) and as a true leader for your cybersecurity, compliance, and IT departments. We can also manage your IT and cybersecurity needs remotely. SERVICES WE PROVIDE: ✅ Cybersecurity Maturity Model Certification (CMMC) Coaching & Consulting 🔐 Compliance for DFARS, NIST CSF, SOC 2, HIPAA, PCI DSS, HITRUST CSF, and ISO 27001 🔒 Cybersecurity Governance, Risk & Maturity Assessments ⚖️ IT Risk Management Audits + Consulting 🖥️ Managed IT Services 🛡️ Managed Cybersecurity Services AREAS OF EXPERTISE & CERTIFICATIONS 🔒 Certified Information Systems Security Professional (CISSP) 👤 Chief Information Security Officer (CISO) 🛡️ Cybersecurity Maturity Model Certification (CMMC) 📜 Defense Federal Acquisition Regulation Supplement (DFARS) 🌐 National Institute of Standards and Technology Cybersecurity Framework (NIST CSF) 🔐 Service Organization Control 2 (SOC 2) 🏥 Health Insurance Portability and Accountability Act (HIPAA) 💳 Payment Card Industry Data Security Standard (PCI DSS) 🔍 Health Information Trust Alliance Common Security Framework (HITRUST CSF) 🌎 International Organization for Standardization 27001, Information Security Management (ISO 27001) 📚 MY STORY: I've been in the Information Technology space for 15 years as owner of www.Cmczona.com www.FirstDefense.Ai and Executive Director of www.HuntsvilleAi.org

1 - 5 employeesUnder $500,000 revenue
Fastvue logo

Fastvue

Verified
San Francisco, California, United Statesinformation technology & services

Fastvue helps schools and businesses monitor, alert and report on internet usage issues. Safeguard students, improve online safety, productivity and network security. There are no monitoring agents you need to install. Simply send the log data from your organization's firewall and we do the rest! For Businesses Send scheduled reports to Department Managers and HR detailing their employee's Internet usage. For Education Safeguard students by monitoring access to self-harm, extremist, or inappropriate content. For IT Monitor and troubleshoot your network in realtime to uncover the firewall features and policies responsible for allowing or blocking specific traffic.

5 - 10 employees$1 mil. - $5 mil. revenue
Fraudmarc logo

Fraudmarc

Verified
Atlanta, Georgia, United Statesinformation technology & services

Our mission is to make the Internet safer by securing everyone's email. Fraudmarc's unique approach combines the power of DMARC reporting with our hosted SPF Compression™ solution to give you the power to manage policies without the risk of tedious DNS changes. Our enterprise plans support some of the Internet's most influential senders and our free plans make security accessible to everyone. We make security easy so you can get back to work.

1 - 5 employeesUnder $500,000 revenue
Global Sentynel logo
Melbourne, Victoria, Australiacomputer & network security

Global Sentynel is a consulting company that commenced operations in June 2023 in Australia, the United States, and Mexico. Our company focuses on assisting organisations with their security needs by delivering tailored solutions to our clients. We can deliver security services such as penetration testing, secure code reviews, project management, and vulnerability management remotely and cost-effectively from seasoned staff based in Mexico, or deliver consulting services inside Australia or the US with a sovereign capability.

1 - 5 employeesUnder $500,000 revenue
Graphus logo

Graphus

Verified
Miami, Florida, United Statescomputer & network security

Graphus Inc. is a cybersecurity company focused on automated email security and anti-phishing solutions. Its cloud-based platform utilizes the patented TrustGraph® AI algorithm to analyze communication patterns and detect sophisticated email threats, including phishing, identity spoofing, and business email compromise scams. The company is headquartered in North America and has a team of approximately 10 to 49 employees. Graphus offers a range of services, including AI-powered email security that integrates with popular cloud email services like Microsoft 365 and Google Workspace. Key features include EmployeeShield™, which alerts users to suspicious emails, and 1-Click-Delete for quick removal of threats. The platform also supports Managed Service Providers (MSPs) with multi-tenant management capabilities. Graphus primarily serves mid-sized organizations across various industries, including financial services, retail, and education, and is recognized for its ease of implementation and effective protection against phishing attacks.

1 - 5 employeesUnder $500,000 revenue

Need the full Email Security list?

Get verified company data with contacts, revenue, headcount and tech stack in a CSV you own. Start with a free sample and check the quality before you buy.