Email security
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Barracuda Free Email Threat Scanner

98% of organizations with Microsoft 365 harbour malicious emails inside their mailboxes.*

Many of these email threats stealthily slip past the gateway. Threats like ransomware, spear phishing, and account takeover put your organization and employees at significant risk. In fact, undetected email threats cost businesses over £200 million per month.

Find out what’s hiding in your inbox.

It’s critical to assess and understand your email security vulnerabilities. Using artificial intelligence and API integration with Microsoft 365, the Barracuda Email Threat Scanner quickly and effectively finds social engineering attacks currently sitting in your mailboxes.

*Organizations with 100+ mailboxes

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Serious Threats May Be Hiding In Your Microsoft 365 Mailboxes

Scan Your Microsoft 365 Environment.
It's Fast, Free and Safe - With No Impact On Email Performance.

12,000 organisations

have run this scan and discovered advanced threats in their Microsoft 365 mailboxes.


scans completed

since 2018

13 million


have been scanned for threats

10 million

spear phishing attacks

identified to date

Detect Email Threats That Got Past Your Email Gateway

Email Threat Scanner

Fraud summary

Barracudas artificial intelligence platform understands email sender intent to detect anomalies such as email impersonation and account takeover.

Email attacks are getting more complex and dangerous.

Email attacks are becoming increasingly complex, with many designed to target users and bypass email security gateways. You need to stay ahead of cyber criminals to protect your business and data.

Flexible, Comprehensive Microsoft 365 Backup

The number one recommendation from the National Cyber Security Centre to help protect against ransomware and other malware attacks, is to have a good backup of your data. Microsoft also recommends that you use third-party backup for your Microsoft 365 data, as they only ensure that availability of the service, not the backup and recovery of your data.

Our SaaS Protection service provides fast, affordable and flexible backup and disaster recovery capabilities for your Microsoft 365 email and data.

Microsoft 365 Backup