Updated Apr 23, 2026
Score 24
StealthMail logo

StealthMail

Ranked #987 of 1,000+ cybersecurity companies
Profile
INITIALIZING DATA STREAM...

Overview

Legal Name
Stealthmail Software Ltd
Founded
2017
Crunchbase Rank
#193646

Ultimate Email Security and Compliance

StealthMail provides a secure email channel that makes messages invisible to relays, hackers, and public internet threats, gives you exclusive control of encryption keys, data, and access rights, and deploys in under four hours with no integration required or risk to existing IT, including Outlook add-ins and Microsoft Azure–hosted servers.

Industries
Computer and Network Security
Type
Privately Held

Company Size

Employees
 
6
Range1–10 employees
110K+

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Headquarters

1426 Fillmore St, San Francisco, CA 94115

Followers

 
184

Press Coverage

DateArticlePublisher
Jul 30, 2020StealthMail Releases Security Solution for Microsoft TeamsPRLog
Jun 24, 2020StealthMail Announces the Launch of Email Security Solution to Protect Real Estate from Wire FraudPRLog
Mar 5, 2020StealthMail Announces Email Security Solution for Google G Suite CustomersPRLog
Feb 26, 2020Mongolian Government Agency Chooses StealthMail To Protect Its Email CommunicationPRLog
Feb 19, 2020"The Art of Email Security" Book Seeks To Help Companies Improve Their Cybersecurity CulturePRLog
Feb 5, 2020"The Art of Email Security" Book Seeks To Help Companies Improve Their Cybersecurity CulturePRLog
Jan 31, 2020“The Art of Email Security” Book Seeks to Help Companies Improve Their Cybersecurity CulturePR.com
Oct 13, 2018StealthMail Helps To Tackle Companies’ Most Overlooked GDPR Risk By Expanding Its Data Protection ToolThe Sociable
Jan 1, 2018StealthMail Email Security and Compliancemicrosoft.com

Specialties

Data Protection And Cybersecurity

Product

NameDescription
StealthMail Email Security SolutionAn email security software add-in for Microsoft Outlook that encrypts and protects business email content and attachments from unauthorized access and internet threats.
StealthMail Deployment OptionsCloud-based or on-premise deployment services for the StealthMail Email Security Solution, enabling flexible infrastructure management and control over encryption key management.
StealthMail Stealth Link TechnologyA method of securing email content by sending encrypted data references (Stealth Links) instead of actual email content over SMTP, preventing data interception and unauthorized access.
StealthMail Encryption and Key ManagementEnd-to-end encryption system where encryption keys are generated and stored on the user side, giving sole ownership and control over encrypted email data and access management.
StealthMail Compliance SupportA service ensuring that email data processing and transmission comply with regulations such as GDPR, HIPAA, SOX, GLBA, ITAR, CCPA, and PCI DSS through encryption and secure data handling.