Proofpoint

Tessian Limited is a provider of an advanced email security platform that addresses human error in data handling, significantly reducing the risk of data loss. The platform employs machine learning and artificial intelligence to identify when emails are mistakenly sent to unintended recipients, alerting the sender in real time to allow corrections. It features tools such as CheckRecipient Guardian and CheckRecipient RuleBuilder, which enhance organizational control over email communications. Tessian’s technology is designed to analyze email networks and prevent the transmission of sensitive information to the wrong individuals, thereby safeguarding against threats like data exfiltration, business email compromise, and phishing attacks. The company serves various sectors, including legal services, healthcare, investment management, and technology. Founded in 2013 and headquartered in London, Tessian also has an office in San Francisco and is supported by prominent investors.

Sendmail specializes in simplifying email management for large enterprises while reducing IT infrastructure costs. The company offers a comprehensive message processing platform that includes appliances, applications, and services designed to ensure secure and efficient email connectivity, routing, and delivery across various environments, including on-premises, cloud, and mobile devices. Its Sentrion Email Infrastructure Platform enhances communication by implementing intelligent email policies and message inspection, ensuring that critical communications align with business policies and processes. This focus on secure mail and message infrastructures makes Sendmail a key player for enterprises and government agencies looking to optimize their email systems.

Abaca Technology Corporation specializes in developing and marketing email protection and messaging security solutions aimed at enterprise, government, and small to medium-sized business customers. The company offers a suite of email security services designed to safeguard messaging environments, ensuring high levels of accuracy and reliability. Abaca is recognized for its engineering expertise and advanced technical capabilities, particularly in email filtering and protection algorithms, which enhance the security of its clients' communications.

MailDistiller offers a hosted service focused on comprehensive email security, primarily aimed at protecting organizations from viruses and spam. By implementing managed email filtering services, the company effectively blocks harmful content before it can reach an organization's network, thereby enhancing overall cybersecurity. MailDistiller's solutions help businesses reduce the risks associated with malicious emails and eliminate time-wasting messages, allowing for a more efficient email management experience.

Everyone.net specializes in providing hosted email and collaboration solutions for small businesses and service providers. Founded in 1998, the company focuses on enhancing communication and data security through its reliable and customizable email services. It offers advanced features such as IMAP and push email for mobile devices, backed by robust security measures, including anti-spam and virus protection. With a significant presence in the market, Everyone.net manages over 6 billion message connections monthly and supports more than 300,000 domains globally. The company's commitment to innovation and simplicity positions it as a leader in the Software as a Service (SaaS) email and messaging sector.

Secure Data In Motion, Inc., operating as Sigaba, specializes in security infrastructure solutions that facilitate the secure exchange of information for various sectors, including government and industry. The company's product offerings include Sigaba Secure Email for safe information sharing via existing email systems, Sigaba Secure IM for enterprise instant messaging, Sigaba Secure Paging for critical communications in emergency services, and Sigaba Secure Messaging for Mobile Devices, which ensures end-to-end security for protected information sharing. Additionally, Sigaba provides services such as authentication, installation, custom configuration, and system development. Established in 1999 and based in San Mateo, California, the company serves a diverse clientele across financial services, healthcare, manufacturing, and telecommunications. As of August 2008, it operates as a subsidiary of Proofpoint, Inc.

Fortiva provides an on-demand email archiving solution that addresses three key challenges – email storage management, legal discovery and regulatory compliance – without the headaches of managing an archive in-house. As a Software as a Service (SaaS) solution, the Fortiva Archiving Suite™ can be up and running in days, with minimal upfront capital costs and planning requirements.

Hornetsecurity is a cloud-based email security provider, serving businesses ranging from small to large corporations globally. Their suite of services includes premium spam and virus protection, email encryption, continuity, and archiving solutions, along with advanced threat protection, web filtering, encrypted online storage, and hosted exchange services. These offerings safeguard clients against sophisticated cyber threats such as malware and spear-phishing, without requiring significant hardware or software investments or IT management efforts.