Email Protection

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Email Protection

Table of Contents

What is Email Protection?

Email protection is a broad concept that comprises many techniques – all built around the safeguarding of digital communications within organizations. This includes traditional security measures such as spyware detection, login security, and email encryption – as well as data retention, e-discovery assurance, cloud or on-prem email archival systems, and disaster recovery and backup.

Email Security

One branch of email protection is the set of methods used to stop unauthorized access or compromise of email security systems. This includes:

  • Login Security: There are a number of methods for safeguarding email account access – from employee education on best practices, to routine password cycling by administrators.
  • Spam Filtering: Automated message filtering can prevent malicious and fraudulent emails from ever reaching employees’ inboxes. For example, cyber criminals use phishing methods to retrieve sensitive information from unsuspecting users, by pretending to be employees within the organization, or by embedding seemingly innocent links into emails. Spam filtering and automated spear phishing prevention technology can help to identify and quarantine suspicious content so administrators can determine its risk.
  • User Security: Email filtering tools can’t catch email attacks that bypass the filters to reach users via their personal email, voicemail, or SMS. There are a number of training services that can help educate employees on security awareness, by simulating real network and email intrusions.
  • Email Encryption: Email encryption is critical for protecting the contents of email from unauthorized access, both in archives and as it is accessed and read.
  • Employee Education: In addition to implementing the right technologies, organizations must ensure that employees are trained in best practices for the safeguarding of sensitive data.

Email Backup and Archival

While security is essential in the protection of email, it’s also important to pay attention to the archival process – used to ensure the longevity and integrity of the underlying data. Even when it’s no longer at risk of being compromised by a cyber attack, email still needs to be stored securely, and be retrievable, for legal and business reasons.


There are many business and organizational reasons for archiving email communications. Email often serves as critical, if informal, documentation of why and how certain decisions were made – and as an archive of relevant information. As a result, most employees benefit from a robust, complete, and easy to search archive of their communications. Techniques involved in email preservation include:

  • Email Archiving: Email archiving is the act of preserving and making searchable all email to/from an individual. Email archiving solutions capture email content either directly from the email application itself or during transport. The messages are typically then stored on magnetic disk storage and indexed to simplify future searches.
  • Email Compression: The process of reducing email file sizes (as well as the sizes of any corresponding attachments). It often functions as an integral part of an email archival system. When combined with deduplication, offline or cloud backups, and file stubbing, email compression allows email storage and archival costs to be kept to a minimum.
  • Email Retention Policy: Organizations in many industries are required by various governmental regulations to retain email content and metadata such as timestamps, senders, and other delivery information. Written email retention policies can be relied upon as a legal protection if proof of email communication is needed for a court case or to satisfy governmental regulations. An email retention policy covers all emails sent or received by an organization, and contains criteria for how long emails should be stored and in what manner they should be removed from the email archive.
  • Disaster Recovery: A recovery plan designed around the maintenance of mission-critical functions following a disaster. The effect of data loss or corruption from hardware failure, human error, hacking or malware could be huge – making a plan for data backup and restoration information a basic requirement for all modern organizations. Developing a thoughtful disaster recovery plan helps organizations minimize the risk of economic loss, operations disruption, and diminished brand credibility, when faced with an unforeseen failure.

Why Email Protection is Important

Email protection is an essential part of data security in organizations today. Employee accounts can be compromised, and users can be tricked, and so there have to be strategies in place to prevent these issues. In tandem with these security measures, email has to be preservable for legal, regulatory, and other business reasons. While email storage is itself inexpensive –, and email can be quickly scanned, collated, and interpreted – digital archiving presents a challenge because files are only as archivable as the systems designed to keep them stored. Proper techniques must be used to guarantee secure access to email storage over the long term.

Learn More About Email Protection

Further Reading

How Barracuda Can Help

Email protection is a vitial part of any organisation and should be

The Barracuda Email Security Gateway is an email security gateway that manages and filters all inbound and outbound email traffic to protect organizations from email-borne threats and data leaks. Combining a variety of modern encryption techniques along with spam filtering and email spooling, the Barracuda Email Security Gateway is a powerful tool to protect your employees» sensitive emails.

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Data preservation and recovery is an extremely important aspect to maintaining high email protection standards. Barracuda Message Archiver captures and stores your data securely for as long as you need without risk of amendment or deletion, and also reduces your email storage requirements while boosting user productivity.

Barracuda Essentials is an all-in-one cloud-based email security, backup, archiving and e-discovery for Office 365 and Microsoft Exchange. This powerful email security solution not only provides award-winning protection but also allows users to store and easily access email records. Barracuda Essentials is a perfect option for those needing both state of the art email protection and preservation for their Office 365 or Microsoft Exchange subscriptions.

Every year, businesses lose billions of dollars in direct losses from spear phishing attacks, however you don’t have to be the next victim. Barracuda Sentinel provides powerful AI-based protection from spear phishing, email fraud, and other common phishing attacks. While Barracuda PhishLine helps train employees to recognize and stop phishing emails, eliminating the human error aspect of email fraud. Together these products offer the best defensive against ever-evolving spear phishing attacks.

Have questions or want more information about Email Protection? Get in touch right now!

Email Protection

Defend against threats, ensure business continuity, and implement email policies.

Advanced Threat Protection

Protect against email, mobile, social and desktop threats.

Security Awareness Training

Engage your users and turn them into a strong line of defense against phishing and other cyber attacks.

Cloud Security

Defend against cyber criminals accessing your sensitive data and trusted accounts.

Archiving and Compliance

Reduce risk, control costs and improve data visibility to ensure compliance.

Information Protection

Safeguard data in email, cloud apps, on-premise file shares and SharePoint.

Digital Risk Protection

Protect against digital security risks across web domains, social media and the deep and dark web.

Premium Security Services

Get deeper insight with on-call, personalized assistance from our expert team.

Training Modules, Videos, and Materials

Try our Security Awareness Training content.

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Next Generation Compliance Solutions

Safeguard business-critical information from data exfiltration, compliance risks and violations.

Business Email Compromise

Block attacks with a layered solution that protects you against every type of email fraud threat.

Social Media Compliance

Simplify social media compliance with pre-built content categories, policies and reports.

Replace McAfee Email Security Products

Stay ahead of email threats with email security from the exclusive migration partner of Intel Security.

Upgrade Your Symantec Email Security

Learn how upgrading to Proofpoint can help you keep pace with today’s ever-evolving threat landscape.

Solution Bundles

Stop advanced attacks and solve your most pressing security concerns with our solution bundles.

Email protection software

Minimize risk with better email protection software.

Minimize risk with better email protection software.

As email security risks continue to evolve, organizations need sophisticated email protection software to successfully defend against known and emerging threats.

From viruses and spam to advanced targeted threats like phishing and spear-phishing, attacks are increasingly ingenious and varied. Consequently, superior email protection software must provide a multi-layered approach to security, with constantly updated threat intelligence on emerging threats.

When building defenses, many organizations adopt a variety of email protection software solutions designed to address specific threats. But managing a collection of disjointed point solutions can be time-consuming and ultimately ineffective. Many leading organizations worldwide are turning to the integrated email protection software services provided by Mimecast.

Cloud-based email protection software from Mimecast.

Mimecast’s email protection software services deliver solutions for email security, continuity and archiving, helping to simplify email management while reducing cost and minimizing risk.

Offering cloud-based email protection software that is always on and always up-to-date, Mimecast deploys sophisticated, multi-layered threat detection and intelligence to protect organizations from malware, spam, advanced threats and other security risks.

As a cloud-based solution, Mimecast’s email protection software can be implemented immediately with zero capital outlay. A single cloud platform means that administrators can set security policy from a single web-based console and apply it consistently and rapidly across the organization.

Email protection software for comprehensive security.

Mimecast’s email protection software provides comprehensive defenses against email threats. These include:

  • Malware and spam protection. Mimecast’s Secure Email Gateway provides 100% anti-malware protection and 99% anti-spam protection, with 0.0001% false positives.
  • Advanced threat protection. Mimecast Targeted Threat Protection defends against threats like phishing, spear-phishing and business email compromise by blocking malicious URLs and weaponized attachments, and scanning all email for signs of fraud or social engineering.
  • Data leak prevention (DLP). Mimecast Content Control and Data Leak Prevention improves DLP network security by scanning all email for possible leaks based on administrator-defined policies.
  • Secure messaging. Mimecast Secure Messaging enables users to send secure messages quickly and easily without needing to manage encryption keys or certificates, and enables administrators to set policies to automatically encrypt certain messages and attachments based on their content.
  • Secure large file transfer. Mimecast Large File Send provides an easy-to-use solution for emailing large files (up to 2 GB), allowing employees to avoid third-party file sharing services that can’t provide the security and content control required to protect email data.

Learn more about Mimecast’s email protection software, and about Mimecast solutions for Office 365 security compliance and ways to retrieve deleted emails.

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