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Enterprise Security Magazine | Monday, July 03, 2023
Email security is paramount for organizations, considering the pervasive threat landscape. By carefully selecting the right email security options based on their specific needs, resources, and growth stages, organizations can fortify their defenses against cyber attacks.
FREMONT, CA: Email has become a vital communication for most organizations. However, it is also a prime target for cyber attacks, making email security a critical concern. Each organization has its unique budget constraints, threat profiles, risk profiles, and labor capabilities, which shape the type of email security options it can adopt. By understanding email security in detail, organizations can select the right tools, services, and protocols to protect their emails against threats.
Organizations typically choose a combination of email security options that meets their needs and resources. Starting with priority options and gradually adopting more advanced ones as the organization grows ensures a strategic approach to email security. While some options may overlap in capabilities, redundancy is often beneficial for overall security. Organizations must evaluate various options and choose features that fill gaps in their capabilities.
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In their initial stages, smaller organizations should focus on fundamental email security options that provide basic security features. These options serve as a solid foundation and often offer possibilities for upgrading to more advanced security features as needed. Tools designed specifically for protecting local email applications and servers are a good fit for organizations with limited on-premises email servers. These tools range from basic, affordable options to robust, feature-rich, and expensive solutions. They screen emails for malicious content using antivirus, anti-spam, DNS, attachments, and other analytics. Some advanced tools may include threat feeds, sandboxing, and AI-enhanced analytics.
Firewalls with advanced capabilities offer application-layer packet inspection, enabling screening for malicious links, spam, and attachments. Next-Generation Firewalls (NGFW) and Unified Threat Management (UTM) tools fall into this category. Organizations should assess specific tools to understand available features and integration with their existing security stack and IT environment. However, advanced firewalls are typically suitable for protecting a limited number of local email servers. Cloud-based firewall-as-a-service (FWaaS) can provide cost-effective and unified protection for larger or geographically diverse organizations.
For organizations with more sophisticated needs, the advanced capability tier offers additional layers of protection. Sandbox environments, encryption, and secure browsers are examples of these options. Implementing such solutions requires installation, configuration, management, and maintenance expertise. Managed IT service providers (MSPs) or managed IT security service providers (MSSPs) can assist in offloading some of the expertise requirements. It's worth noting that this category also spans a spectrum of basic-to-advanced tools and capabilities, and service providers often offer bundled services with advanced capabilities tailored to smaller organizations.
Secure email gateways (SEGs) and secure web gateways (SWGs) are dedicated solutions for screening emails and website traffic. These tools scan attachments, check for malicious links, and can incorporate blacklists to block known-malicious domains. SEGs primarily focus on protecting email systems, particularly on-premises servers, while SWGs are better suited for safeguarding SaaS environments. Both options can be deployed locally to protect local email servers or in the cloud for broader coverage.
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