Cloud Security

Preventive protection for cloud-based Microsoft365 applications such as Exchange Online and OneDrive. A powerful combination of spam filtering, anti‑malware scanning and anti‑phishing capabilities.

ESET Cloud Office Security
Advanced protection for Microsoft 365 applications

Cloud security

Preventive protection for cloud-based applications such as email and storage. A powerful combination of spam filtering, anti‑malware scanning and anti‑phishing capabilities.

ESET Cloud Office Security

Advanced protection for Microsoft 365 applications


Why do customers appreciate our cloud security solution?

Secured cloud applications

Equip your Microsoft 365 Exchange Online, OneDrive, Teams and SharePoint Online with an extra layer of advanced protection.

Business continuity

Helps eliminate unsolicited emails and targeted attacks, allowing employees to focus on their job and ensure business continuity.

Cloud-based console & automation

Get immediately notified about new detections directly in a dedicated console or via alerts. New users are protected automatically.

Common use cases

Worried about

Risk mitigation?

A company owner wants to apply specific measures to minimise cybersecurity risks and maintain business continuity.

Worried about

Stored data in the cloud?

Frequent exchange of large files on company cloud storage between internal and external people.

Worried about

Ransomware attacks?

Dangerous ransomware is currently gaining momentum.

What makes our solution a perfect fit for your needs?

Cloud security

ESET Cloud Office Security

Provides advanced preventive protection for Microsoft 365 applications against malware, spam and phishing attacks via an easy-to-use cloud management console.

Advanced protection

  • Anti-spam
  • Anti-phishing
  • Anti-malware
  • Cloud-based console

Protected applications

Exchange Online, OneDrive, Teams, SharePoint Online

For SharePoint on-premises, click here

Explore ESET Cloud Office Security features


Now using an enhanced, award-winning engine with improved performance, this essential component filters all spam emails and keeps user mailboxes free of unsolicited or undesired messages.


Scans all incoming emails and attachments, as well as all new and changed files. This helps keep the user’s mailbox malware-free, as well as preventing the spread of malware through cloud storage across multiple devices.


Prevents users from accessing web pages that are known to be phishing sites. Email messages can contain links that lead to phishing web pages.


Notifications greatly improve admins’ efficiency by removing the need to constantly check the dashboard.

Automatic protection

With this option enabled, admins can be sure that new users created within the Microsoft 365 tenant will be automatically protected, without the need to add them separately in the console.

Quarantine manager

An admin can inspect objects in this storage section and decide to delete or release them. This feature offers simple management of emails and files that have been quarantined by our security product.

System requirements and licence information

Supported browsers

  • Mozilla Firefox
  • Microsoft Edge
  • Google Chrome
  • Opera
  • Safari

Note: For the best experience with the ESET Cloud Office Security, we recommend that you keep your web browsers up to date.

Following is required to start your Microsoft 365 protection 

  • Supported Microsoft 365 subscription plan
  • Admin access to Azure Active Directory (Azure AD)
  • Azure Cloud Services – Exchange | OneDrive | Sharepoint | Teams
  • An account in ESET Business Account or ESET MSP Administrator portal

Committed to the highest industry standards

Respected by industry analysts

Learn more

AV Comparatives Real World Protection JUN 2020

Recognised in independent tests

See test results

ESET Endpoint Security is a leader in Small-Business Endpoint Protection Suites on G2

Appreciated by customers worldwide

Read full reviews

Purchase your cloud security solution today

ESET's cloud security is available in the following solutions:

Secured cloud applications and multilayered endpoint protection.

excl. VAT

Cloud security

All included components:
  • Cloud-Based Console
  • Endpoint Protection
  • File Server Security
  • Full Disk Encryption
  • Cloud Sandbox
  • Cloud App Protection

Advanced preventive protection for cloud email, collaboration and storage.

excl. VAT

Cloud security

  • Anti-Spam
  • Anti-Phishing
  • Anti-Malware
  • Cloud-Based Console