Microsoft’s recent OneDrive update—allowing seamless switching between personal and business accounts—might enhance user convenience, but it introduces serious risks for organizations. This new behavior increases the likelihood of sensitive business data being accidentally or intentionally synced to unmanaged personal OneDrive accounts, raising alarms for IT and security teams alike.This shift highlights a broader challenge in cloud security: how can organizations embrace productivity-boosting tools without exposing themselves to data loss, compliance violations, or insider threats?Zscaler helps organizations strike this balance through a unified approach combining inline CASB, SaaS Security Posture Management (SSPM), and DLP. Together, these solutions ensure visibility, control, and security without blocking productivity.The Risk: Accidental Exposure of Sensitive DataAs described in the CSO Online article, Microsoft’s OneDrive change can allow:Accidental synchronization of confidential files to unmanaged personal cloud accounts.Loss of visibility and control over where sensitive information resides.Compliance violations when sensitive information is stored or shared from unmanaged accounts. Given the blurred lines between personal and professional tools, IT admins need a way to enforce policies based on who the user is, what app is being used, and where the data is going—all in real time. Zscaler’s Integrated Approach to OneDrive Security1. Real-Time Cloud App Control with Inline CASBZscaler’s inline CASB enforces granular controls on cloud app usage, including OneDrive:Instance-Aware Controls:Detect and differentiate between Microsoft enterprise applications, such as Corporate A vs. Corporate B. It can also distinguish between personal and corporate OneDrive using Cloud Application ID. Granular Action Enforcement: Control specific activities like uploads, downloads, syncs, edits, and shares. Context-Aware Policies: Apply restrictions based on user identity, device posture, location, and more. This enables organizations to block or restrict uploads to personal OneDrive accounts, even if a user is logged in simultaneously to both personal and work accounts.2. Strong SaaS Configuration Hygiene with SSPMZscaler’s SSPM solution provides continuous visibility into how apps like OneDrive are configured:Flags weak or misconfigured settings that could allow personal syncing from business environments. Maps OneDrive configuration against compliance frameworks such as CIS, HIPAA, GDPR and many more. Helps enforce best practices that reduce the risk of data leakage via cloud misconfigurations. By highlighting posture gaps, SSPM allows IT to proactively close loopholes that may enable sensitive data to escape sanctioned environments. 3. Data Protection That Follows the User and the DataZscaler’s Data Protection solution ensures sensitive data remains secure wherever it travels—across users, devices, and applications. As part of a unified platform, it delivers consistent Data Loss Prevention (DLP) across multiple channels, including inline web traffic, endpoints, sanctioned SaaS applications, email, and Data Security Posture Management (DSPM).Powered by advanced data classification capabilities—such as Exact Data Match (EDM), Indexed Document Matching (IDM), Optical Character Recognition (OCR), and AI/ML-driven dictionaries—Zscaler enables precise identification of sensitive information to prevent data exposure.The solution goes beyond browser-based controls to enforce data protection directly on the device. It detects and blocks attempts to exfiltrate sensitive files using thick clients, such as the OneDrive desktop app. For example, when a user tries to drag-and-drop a confidential file into a personal OneDrive folder or initiate a sync with an unmanaged account, policy controls are enforced locally—even when the device is off-network or disconnected from a VPN.This integrated approach ensures that data protection follows the user—whether they’re sharing files via the browser, syncing through desktop apps, or working offline. Zscaler provides comprehensive visibility and real-time enforcement to stop both accidental and intentional data loss—without hindering productivity. Enabling Productivity Without Compromising SecurityAs covered in this Zscaler blog, today’s workforce relies on cloud apps to work efficiently. Blocking apps outright is no longer feasible—but allowing unchecked access is dangerous. Zscaler helps organizations walk this tightrope by providing granular, real-time controls that adapt to user intent, not just app names.Rather than sacrificing usability for security, Zscaler’s platform enables:Secure, compliant cloud collaboration Protection against accidental and intentional data loss Visibility into app usage and security posture Take Control Before Data Slips AwayMicrosoft’s OneDrive change is just one example of how cloud apps are evolving—sometimes in ways that challenge traditional security models. Zscaler offers the visibility and control your team needs to stay ahead.Contact Zscaler to learn how our CASB, SSPM, and DLP solutions work together to prevent accidental data exfiltration and enforce your cloud security policies.
[#item_full_content] Microsoft’s recent OneDrive update—allowing seamless switching between personal and business accounts—might enhance user convenience, but it introduces serious risks for organizations. This new behavior increases the likelihood of sensitive business data being accidentally or intentionally synced to unmanaged personal OneDrive accounts, raising alarms for IT and security teams alike.This shift highlights a broader challenge in cloud security: how can organizations embrace productivity-boosting tools without exposing themselves to data loss, compliance violations, or insider threats?Zscaler helps organizations strike this balance through a unified approach combining inline CASB, SaaS Security Posture Management (SSPM), and DLP. Together, these solutions ensure visibility, control, and security without blocking productivity.The Risk: Accidental Exposure of Sensitive DataAs described in the CSO Online article, Microsoft’s OneDrive change can allow:Accidental synchronization of confidential files to unmanaged personal cloud accounts.Loss of visibility and control over where sensitive information resides.Compliance violations when sensitive information is stored or shared from unmanaged accounts. Given the blurred lines between personal and professional tools, IT admins need a way to enforce policies based on who the user is, what app is being used, and where the data is going—all in real time. Zscaler’s Integrated Approach to OneDrive Security1. Real-Time Cloud App Control with Inline CASBZscaler’s inline CASB enforces granular controls on cloud app usage, including OneDrive:Instance-Aware Controls:Detect and differentiate between Microsoft enterprise applications, such as Corporate A vs. Corporate B. It can also distinguish between personal and corporate OneDrive using Cloud Application ID. Granular Action Enforcement: Control specific activities like uploads, downloads, syncs, edits, and shares. Context-Aware Policies: Apply restrictions based on user identity, device posture, location, and more. This enables organizations to block or restrict uploads to personal OneDrive accounts, even if a user is logged in simultaneously to both personal and work accounts.2. Strong SaaS Configuration Hygiene with SSPMZscaler’s SSPM solution provides continuous visibility into how apps like OneDrive are configured:Flags weak or misconfigured settings that could allow personal syncing from business environments. Maps OneDrive configuration against compliance frameworks such as CIS, HIPAA, GDPR and many more. Helps enforce best practices that reduce the risk of data leakage via cloud misconfigurations. By highlighting posture gaps, SSPM allows IT to proactively close loopholes that may enable sensitive data to escape sanctioned environments. 3. Data Protection That Follows the User and the DataZscaler’s Data Protection solution ensures sensitive data remains secure wherever it travels—across users, devices, and applications. As part of a unified platform, it delivers consistent Data Loss Prevention (DLP) across multiple channels, including inline web traffic, endpoints, sanctioned SaaS applications, email, and Data Security Posture Management (DSPM).Powered by advanced data classification capabilities—such as Exact Data Match (EDM), Indexed Document Matching (IDM), Optical Character Recognition (OCR), and AI/ML-driven dictionaries—Zscaler enables precise identification of sensitive information to prevent data exposure.The solution goes beyond browser-based controls to enforce data protection directly on the device. It detects and blocks attempts to exfiltrate sensitive files using thick clients, such as the OneDrive desktop app. For example, when a user tries to drag-and-drop a confidential file into a personal OneDrive folder or initiate a sync with an unmanaged account, policy controls are enforced locally—even when the device is off-network or disconnected from a VPN.This integrated approach ensures that data protection follows the user—whether they’re sharing files via the browser, syncing through desktop apps, or working offline. Zscaler provides comprehensive visibility and real-time enforcement to stop both accidental and intentional data loss—without hindering productivity. Enabling Productivity Without Compromising SecurityAs covered in this Zscaler blog, today’s workforce relies on cloud apps to work efficiently. Blocking apps outright is no longer feasible—but allowing unchecked access is dangerous. Zscaler helps organizations walk this tightrope by providing granular, real-time controls that adapt to user intent, not just app names.Rather than sacrificing usability for security, Zscaler’s platform enables:Secure, compliant cloud collaboration Protection against accidental and intentional data loss Visibility into app usage and security posture Take Control Before Data Slips AwayMicrosoft’s OneDrive change is just one example of how cloud apps are evolving—sometimes in ways that challenge traditional security models. Zscaler offers the visibility and control your team needs to stay ahead.Contact Zscaler to learn how our CASB, SSPM, and DLP solutions work together to prevent accidental data exfiltration and enforce your cloud security policies.
