Introduction
In today’s peak digitalization era, where email is the major backdoor for attackers, Email Security Gateway (ESG) is a high-tech guard that detects and blocks the malicious content from entering /injecting into an organization’s system.
What is Email Security Gateway?
Email Security Gateway (ESG) is an email security solution that monitors inbound and outbound email traffic and block the malicious content before they reach the recipient’s inbox.
It is an added layer of security that is placed between the organizations email infrastructure and email traffic (outgoing and incoming traffic). According to CISA (Cybersecurity And Infrastructure Security Agency) more than 90% of successful cyber-attacks begin with phishing email so these email security gateways are crucial cybersecurity services.
ESG uses a combination of machine learning and signature analysis that looks for known threats, malware that identifies and blocks malicious email before they reach the inbox of recipients.
It operates using two methods.
DEPLOYMENTS MODEL OF ESG
Email Security Gateway provides flexibility for organization with their chosen solution as they offer three deployments models
HOW DOES SECURE EMAIL GATEWAY DIFFER FROM THE TRADITIONAL ONES?
ESG’s PROTECTION MECHANISM AGAINST THREATS
FEATURES OF EMAIL SECURITY GATEWAY
It implements different methodologies to detect, block and manage malicious content before reaching the receiver’s email.
EMAIL SECURITY GATEWAY SERVICES WE PROVIDE
Trustwave MailMarshal
Trustwave MailMarshal is a leading secure email gateway solution that offers advanced, multi-layered protection against email threats like spam, phishing, malware, ransomware, and business email compromise. It can be integrated seamlessly with platforms such as Microsoft 365 and Google Workspace. In such way it enhances native email security with over 15 scanning engines, machine learning, sandboxing, and real-time threat intelligence from Trustwave Spider Labs.
By offering Trustwave MailMarshal, Insight Tech empowers organizations to reduce exposure to malicious emails by over 99%, detect threats missed by traditional gateways, and efficiently manage email security with real-time insights and automation.
CONCLUSION
In a nutshell, Email Security Gateway (ESG) is a defense layer that protects organizations from email-borne threats such as spam, phishing, malware, ransomware. By employing advanced detection technologies like signature-based scanning, heuristic analysis, sandboxing, and real-time threat intelligence, ESGs prevent malicious content from reaching users’ inboxes and secure outbound messages from abuse. Solutions like Trustwave MailMarshal, offered by Insight Tech, exemplify this comprehensive and adaptive approach, empowering organizations to safeguard their communications and maintain operational continuity in today’s complex cybersecurity landscape.