Stop Phishing.
Protect Email Data.

Trust your inbox with Sophos Email security.

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Prevent Phishing and Imposter Threats

Trust your inbox again with cloud email security protecting your people and critical information from malware, as well as malware free phishing and impersonation attempts.


Keep Imposters Out

Automatically identify your high-profile targets for malware-free impersonation and business email compromise attacks, then block the attack with machine learning analysis of message content.

Block Imposters

Criminals often impersonate key individuals in an organization or well-known brands to trick other employees into falling for their scams. With no malware or URLs to detect, Sophos Email uses advanced Natural Language Processing (NLP) machine learning to block these targeted impersonation and Business Email Compromise attacks.

NLP is a branch of artificial intelligence that focuses on helping computers to understand the way we humans write and speak. This enables Sophos Email to understand words in context rather than individually to extract notions like “urgency” and “asking for something” with an email and stop the message reaching your users.

For added protection, Sophos Email also includes a setup assistant that integrates with AD Sync to automatically identify the individuals within an organization who are most likely to be impersonated. It scans all inbound mail for display name variations associated with those users, further extending protection against phishing imposters.


Let Trusted Senders In

Authenticate all your senders without blocking legitimate email using SPF, DKIM, and DMARC authentication techniques and email header anomaly analysis.

Authenticate Senders

Adversaries are experts at using social engineering in their attacks. That’s why Sophos Email scans all inbound messages for key phishing indicators such as brand spoofing and impersonation attempts in real-time using SPF, DKIM, and DMARC authentication techniques and email header anomaly analysis. It spots and blocks phishing emails before they reach your users.

Submit a Threat

Stop Malware From Reaching the Inbox

Multi-layered protection utilizes over 35 years of threat intelligence, reputational and behavioral analysis, and state-of-the-art machine learning to eliminate malware and malicious URLs from reaching your inboxes.

Stop Malware

The danger with phishing is not the email itself but what it gets people to do. Phishing emails often include malicious links and malware attackers try to trick you into activating. Sophos Email Time-of-Click URL rewriting analyzes all URLs as they are clicked to block or warn users of risks, while the Sophos cloud sandbox accurately analyzes all files using multi-layered analysis and state-of-the art machine learning models. This ensures latest zero-day and unknown malware threats and PUA are blocked in minutes.

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Protection Post-delivery

Automatically remove phishing emails containing newly infected URLs as soon as the threat state changes with continuous monitoring of Microsoft 365 mailboxes.

Post-delivery Protection

Email protection should continue to monitor messages once in the inbox. Safe URLs can be redirected to malicious ones, and malware can be inserted in previously safe sites. Sophos Email’s Search and Destroy API connection identifies these changes to threat levels automatically and removes malicious URLs, as well as the messages for Microsoft 365 users.

Messages identified by Search and Destroy can be viewed in your post-delivery quarantine summary.

Get Peace of Mind from Data Security

Secure sensitive data and make compliance easy. Sophos Email automatically scans messages and attachments for sensitive data, with encryption that integrates seamlessly.

Prevent Data Loss

Create multi-rule DLP policies for groups and individual users to ensure protection of sensitive information with discovery of financials, confidential contents, health information, and PII in all emails and attachments.

Encrypt and Authentication

Encrypt messages and add a digital signature to verify sender identity with S/MIME, or select from customizable encryption options including TLS encryption, attachment and message encryption (PDF and Office), or add-on full web portal encryption.

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Increase Your Efficiency

Cybersecurity that works with your world

Sophos Central Products

Sophos provides intuitive and incredibly broad visibility and protection, all managed from a single management console to increase efficiency.

  • Say goodbye to email MX record redirections with Microsoft 365 API integration to get setup faster, and process messages sooner
  • Empower your users with self-service controls to allow or block senders and manage quarantine
  • Do more with your day, combining email protection with endpoint, server workload, mobile device security, firewall, zero trust, public cloud security in one console

Microsoft 365 Email Security

Enjoy Faster Flowing, Safer Email

Sophos stops more threats faster, keeping email flowing to your users with high performance advanced threat detection and response.

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Efficiency Built on Experience

Decades of threat intelligence data from SophosLabs means if we already know a message is bad, we block it at the source to optimize sandbox performance and deliver safe messages faster.

Blocking Bad Behavior

Threats constantly change their appearance. How threats behave is what remains constant. Sophos’ cloud sandbox analyzes all file processes, file activity, registry activity, and network connections to block ransomware and other forms of malware.

Power of Deep Learning AI

The same technology as our award-winning endpoint protection, Sophos deep learning artificial intelligence blocks zero-day malware and unwanted applications in their tracks.

Maximize Security Investments

With many cyberattacks starting with phishing. Sophos unlocks end-to-end visibility across your environments, with clear dashboards, detail threat reports, and extended detection and response.

Deeper Understanding of Threats

Anti-malware scanning and sandboxing provide detailed verdict reports based on machine learning analysis, file reputation, VirusTotal results and MITRE ATT&CK Matrix tactics to giving you a deeper understanding of threats targeting your organization.

Shared Threat Intelligence

Maximize security investment with shared threat intelligence from endpoint and email protection in the Sophos XDR data lake. Enabling you to identify previously unseen indicators of compromise or and remove suspicious files across environments. Then extend visibility across Microsoft 365, cloud server workloads, the network and more.

Sophos XDR Use Cases

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Reduce Your Attack Surface

Sophos Email security is part of a broader Sophos ecosystem of protection, uniquely connected to automate threat detection and response.

Detect Compromised Mailboxes

Compromised devices lead to your brand and mailboxes being used to spread spam and phishing. Sophos Email security connects with Sophos Endpoint protection to automatically detect and stop these malicious messages.

Build Stronger Security Awareness

Cybersecurity awareness training is an important aspect of your security strategy. Sophos Email connects with Sophos Phish Threat, an additional service, to identify at risk users and increase security awareness through phishing simulations cybersecurity training modules.

Join a Security Partner Trusted by Thousands

Sophos is proud to support over 27,000 organizations with advanced email threat protection and data security. Compatible with all email services, including Google Workspaces Gmail, where you control the domain and DNS records, or through direct API integration with Microsoft 365 for even faster protection.

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Modernize Cybersecurity Procurement

Sophos Email is now available alongside a range of other Sophos public cloud security solutions in AWS Marketplace. This helps streamline cloud security procurement, while counting towards any cloud provider consumption commitments your organization already has in place.


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Smarter Email Security with AI

Today’s email threats move fast, and growing businesses need predictive email security – defeating today’s threats with an eye on tomorrow.

See the Future

The same technology as our award-winning Intercept X, Sophos Email sandboxing is a deep learning neural network, able to block zero-day malware and unwanted applications.

Stop Ransomware

The most advanced anti-ransomware technology available. Sophos email security uses behavioral analysis to stop never-before-seen ransomware and boot-record attacks.

Block Stealth Attacks

Time-of-click URL protection checks the website reputation of email links before delivery and again when you click – blocking stealthy, delayed attacks that other email security can miss.

Defeating ransomware and targeted threats

Smarter email security with AI
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Block Phishing Imposters

Trust your inbox again with Sophos Email. We’ve made it simple to block phishing imposters and protect employees from attacks using fraudulent email addresses that impersonate trusted contacts.

  • Use a combination of SPF, DKIM, and DMARC authentication techniques, email header anomaly analysis, display name, and lookalike domain analysis
  • Compare the display name of inbound emails to the display name of commonly abused cloud service brand names and to VIPs within the organization to check for matches
  • Suspicious messages can be blocked, quarantined, tagged with a subject line warning, or have a banner added with a direct link to the user-level block list

Protection from Spam and Malware

Processing millions of emails per day, the latest threat intelligence from SophosLabs global network ensures your Sophos Email gateway won’t miss any of the thousands of new threats discovered every hour.

  • IP reputation filtering blocks up to 90% of spam at the door
  • Anti-spam and antivirus engines catch the rest
  • Email filtering uses advanced detection methods across multiple languages

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Respond to Cyber Threats Faster

Sophos Email is integrated into Sophos Central, the intuitive cloud-based console for managing all your Sophos products.

Only Sophos Central lets you build and manage multiple lines of defense from email-borne threats, allowing you to respond to threats faster. This includes secure email, cybersecurity awareness training, plus next gen Endpoint protection, all from a single mobile-optimized portal.

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Connected Email Security

Sophos Synchronized Security takes Sophos Email beyond the benefit of unified management in Sophos Central. Creating new ways to connect email security with other Sophos solutions to respond to risks inside your organization.

Compromised Mailbox Detection

When your domain is used to spread spam and phishing emails, it can impact your reputation as an email sender and as a trusted business. There are common symptoms of compromised email activity, but busy teams may struggle to notice, leading to undetected threats.

Sophos Synchronized Security connects Sophos Email security with Sophos Endpoint protection, delivering automatic detection and clean-up of infected computers sending outbound spam and malware.

Intelligent Cybersecurity Awareness Training

Cyber Security awareness training is an important aspect of your security strategy, but while you train all users, how do you identify those who exhibit the riskiest behavior.

Sophos Synchronized Security connects Sophos Email and Phish Threat to identify those who have been warned or blocked from visiting a website due to its risk profile. You can then seamlessly enroll them into targeted phishing simulations and training to improve awareness and cut your risk of attack.

Prevent Data Loss

Sophos Email data loss prevention and content control provide advanced data breach prevention with policy-based email encryption.

  • Protect sensitive information with discovery of financials, confidential contents, health information, and PII in all emails and attachments
  • Create custom CCLs using Sophos Content Control Lists or customize out of the box templates for specific CCLs
  • Granular control of data breach prevention policies, including multi-rule policies for groups and individual users with seamless integration of encryption.
  • Save valuable time with single console, managing data loss prevention for email, alongside next-gen endpoint protection.

Email Encryption

Secure sensitive data and make compliance easy. Sophos Email automatically scans message bodies and attachments for sensitive data, allowing you to easily establish policies to block or encrypted messages with just a few clicks. Alternatively, give users the option to encrypt emails themselves with our O365 add-in.

  • Enforced TLS encryption prevent eavesdropping when messages are in transit
  • Push-based encryption protects the entire email or attachments only
  • Send secure messages fast using the O365 add-in button, or by adding the organizations custom subject line tag to the message i.e. “Secure: ***”
  • Reply and send attachments securely with Sophos Secure Messaging Portal

Being able to protect our customers’ email from spam, phishing and advanced threats in a single pane of glass makes us more successful.

Our customers want simple integrated information security – everything in one solution. Being able to manage email security alongside encryption, mobile and endpoint protection in a single console is critical to our success.

Jan-Willem Smit, ACES Direct

Secure Office 365

Microsoft Office 365 security features often don’t live up to expectations. Great collaboration needs great security, and Sophos Email provides a simple solution.

  • One license secures Office 365 from spam, phishing and advanced threats
  • Ensure compliance with a choice of location for email scanning and sandbox analysis
  • Single, easy-to-use management console

Works With Any Business Email

Secure any email service where you control the domain and DNS records. Seamless integration with Microsoft Office 365, Google G Suite, on-premises Exchange 2003+, and many more email providers. Best of all: activation is completely in your control, with domain, group, and user-level policies set up in minutes.

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