Salesforce continues to prioritize enterprise-grade security with its Summer ’26 release. A standout enhancement is the introduction of built-in malware scanning for files, providing automatic protection during uploads and downloads. As a Salesforce CREST Partner, we view this as a significant step forward in simplifying secure file management within the Salesforce ecosystem while reducing reliance on third-party tools.

A Major Security Upgrade for Salesforce Files

Salesforce Summer ’26 introduces a powerful new security enhancement that automatically scans files for viruses and malware during uploads and downloads. This feature is designed to help organizations reduce security risks without requiring additional tools or complicated setup processes.

As businesses increasingly store contracts, reports, customer documents, and sensitive files inside Salesforce, built-in protection becomes more important than ever. The malware scanning capability is enabled by default and works quietly in the background to improve overall platform security. This update reflects Salesforce’s growing focus on proactive cloud security, governance, and enterprise data protection across modern digital workplaces.

Important Limitations and Admin Considerations

While the new feature adds an important layer of security, Salesforce admins should understand its current limitations and behavior. Only files that are 100 MB or smaller are scanned for malware, meaning larger files currently bypass the scanning process.

The system is also designed to detect files with a high probability of risk rather than aggressively blocking every suspicious pattern. This helps reduce unnecessary disruptions but may occasionally result in false positives. Salesforce provides admins with a “Mark File as Safe” option to restore access when needed. Understanding these controls is essential for balancing security, usability, and operational efficiency across the organization.

Why This Update Matters for Organizations

Cybersecurity threats continue to evolve, and organizations are under increasing pressure to protect customer data, internal records, and operational documents stored in cloud platforms. Salesforce’s built-in malware scanning helps businesses improve governance, reduce exposure to malicious files, and strengthen trust across teams and customers.

Instead of relying entirely on external security tools, organizations now gain an additional protection layer directly within the Salesforce ecosystem. This is especially important for industries handling sensitive information, including healthcare, finance, manufacturing, and enterprise services.

Key Benefits of the New Malware Scanning Feature

  • Automatic & Seamless Protection: Scans occur in real time during upload and download with no manual intervention required.
  • Default Enabled: Available out-of-the-box for eligible orgs, reducing implementation effort.
  • Centralized Security Management: Admins maintain control through familiar Salesforce interfaces and audit logs.
  • Reduced Risk Exposure: Helps prevent malware from spreading through shared documents, Notes & Attachments, Files, or Content.
  • Compliance Support: Strengthens data protection posture for regulated industries.

How to Prepare for and Maximize This Feature

  1. Review and update your file upload policies to align with the 100 MB scanning limit.
  2. Educate users on the new scanning behavior to minimize confusion around blocked or flagged files.
  3. Leverage Salesforce Shield for enhanced event monitoring and audit trails around file activity.
  4. Combine this with existing security features like Data Mask, Field Audit Trail, and Event Monitoring for comprehensive protection.
  5. Test the feature in a sandbox environment before full rollout.

The built-in malware scanning capability in Salesforce Summer ’26 represents a meaningful advancement in making enterprise security more accessible and proactive. By embedding intelligent file protection directly into the platform, Salesforce helps organizations maintain strong security without adding complexity to daily operations.

This release reinforces why leading companies trust Salesforce with their most critical customer and business data. As threats become more sophisticated, having native, always-on protections like this will be essential for maintaining compliance and operational resilience.