In today’s digital age, email has become an integral part of business communication. It is not only used for internal communication but also for exchanging sensitive information with clients and customers. However, with the increasing use of email for business purposes, the risk of cyber attacks has also increased significantly. Cyber criminals are always looking for ways to steal sensitive information, and email is a known vulnerable target. Therefore, it is essential for businesses to secure their email system in order to protect their sensitive data.

In this blog, we will discuss the importance of securing business email and some best practices to ensure the security of your email system.

  1. Protect Sensitive Information: Businesses exchange a lot of sensitive information over email, such as financial details, customer data, and confidential company information. If this information falls into the wrong hands, it can lead to financial loss, reputational damage, and legal liability. Therefore, it is crucial to secure your email system to protect sensitive information.
  2. Prevent Email Spoofing: Email spoofing is a technique used by cyber criminals to send emails that appear to be from a trusted source. These emails can contain malware or phishing links that can compromise your system. To prevent email spoofing, businesses should implement email authentication protocols like SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting & Conformance).
  3. Avoid Phishing Attacks: Phishing attacks are the most common type of cyber attack that targets businesses. Phishing emails are designed to trick users into sharing their login credentials, personal information, or downloading malware. To avoid phishing attacks, businesses should educate their employees on how to identify and report suspicious emails.
  4. Protect Against Malware: Malware is malicious software that can infect your system through email attachments or links. It can cause significant damage to your system and compromise your sensitive information. To protect against malware, businesses should use anti-virus software and keep it up to date.
  5. Use Encryption: Encryption is a technique that converts plain text into a secret code that can only be decoded with a key. Using encryption for your business email can ensure that your sensitive information is secure, even if it falls into the wrong hands.
  6. Implement Access Controls: Access controls are a set of security measures that limit access to sensitive information. Businesses should implement access controls to ensure that only authorized personnel have access to sensitive information.

In conclusion, securing business email is crucial for protecting sensitive information, preventing cyber attacks, and maintaining the trust of your customers. By following the best practices mentioned above, businesses can ensure the security of their email system and protect their valuable assets.


NUMENTIS is a Canadian-owned Managed Services provider that offers Managed IT, Cybersecurity Solutions, Cloud Services and VoIP to help their customers control costs, secure their data and make their people more productive.  Our Managed Data Protection (SaaS Protect) for Microsoft 365 reduces the risk of Exchange Online and/or OneDrive data loss. In addition, our Managed Threat Protection (SaaS Defense) for Microsoft 365 to proactively defend against malware, business email compromise (BEC), and phishing attacks that target Microsoft Exchange, OneDrive, SharePoint, and Teams.