Implement TLS to Keep Your Email Secure
Employed by nearly all leading email providers ISPs, TLS is a powerful tool in the defense-in-depth approach in the security of business email and the protection of sensitive information.
Set up Enforced TLS in Microsoft 365 Exchange Online
The task of setting up enforced TLS in Microsoft 365 Exchange Online is quick and painless, requiring only the domain name of the organization establishing enforced TLS and a valid email address from the domain. To set up enforced TLS with a vendor, that vendor will need to configure their email server to enforce TLS as well. This mutual configuration assures that all email is encrypted and sent securely across the Internet. The process of setting up enforced TLS in Microsoft 365 Exchange Online is broken up into two steps: creating both an outbound and inbound TLS connector.
Set up Enforced TLS Compliance in Google Workspace
Google Workspace supports TLS; however, the sender and receiver must both accept TLS compliance to ensure a secure connection. Gmail will always use a secure connection for an email to be sent and delivered from specific domains and email addresses if the secure transport (TLS) is added.
Next Steps
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CyberSecurity Month
- Avoid Phishing Emails
- Be Cautious of Spam Email
- Be Wary of Malicious URLs
- Protect Against Spoofing & Sender Fraud
- Protect the Privacy of Your Email with TLS
- Don’t Rely on Native Microsoft 365 Email Protection Alone
- Implement TLS to Keep Your Email Secure
- Endpoint Security Is Not Enough
- Conduct Regular Email Security Audits
- Configure Email Account Settings with Security in Mind
- Learn How To Spot Threats to Business Email
- Backup Your Data and Isolate Your Backups Offline
- Protect Business Email from Phishing Attacks
- Avoid Sending Sensitive Information Over Email
- Learn About Malicious Links
- Prevent Zero-Day Attacks
- Business Email Is for Business Only
- Learn How To Identify Social Engineering Attacks
- Know Your Email Risk
- Safeguard Your Inbox from Malicious Mail
- Understand How Phishing Attacks Are Carried Out
- Know the Steps in a Spear Phishing Attack
- Familiarize Yourself with the Anatomy of a Whaling Attack
- Understand How Malware Attacks Work
- Learn the Steps in a Ransomware Attack
- Understand the Phases of a Business Email Compromise (BEC) Attack
- Know What Zero-Day Attack Is & How It Works
- Familiarize Yourself with the Phases of an Account Takeover (ATO) & Lateral Phishing Attack
- Learn the Steps in a Social Engineering Attack
- Understand the Types of Email Viruses to Be on the Lookout For
