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Protect & Govern
Data Leakage Fundamentals
Understand what data leakage is, why it differs from a breach, and how to frame the problem around data, people, channels, and consequences.
What is data leakage? Data leakage happens when information reaches a person, system, application, or location that is not authorized to receive it. The movement may be deliberate, accidental, or caused by a compromised account. The result is the same: the org
Protect & Govern
Know and Classify Your Data
Build a usable view of sensitive data, its owners, locations, and handling needs before trying to prevent leakage.
You cannot protect an unknown asset Data protection begins with visibility. If an organization cannot name its sensitive data, its approved locations, or its accountable owners, a DLP policy has to guess. Guessing usually creates one of two outcomes: weak rule
Protect & Govern
Map Leakage Paths and Risk
Trace how sensitive information can leave approved boundaries through email, sharing, endpoints, cloud apps, AI tools, and insiders.
Think in data states and user actions Sensitive data can be exposed while stored, while moving, or while a person or process is using it. - Data at rest: Files in SharePoint, OneDrive, endpoints, databases, backups, archives, and cloud storage. - Data in motio
Protect & Govern
Build Layered Data Protection
Combine governance, identity, access, encryption, DLP, monitoring, and response so that no single control carries the whole risk.
Use defense in depth A strong data protection program assumes that one control can fail. A user can misclassify a file, an account can be compromised, an exception can be abused, or a detection rule can miss a new format. Layered safeguards reduce the chance t
Protect & Govern
Choose Your DLP Path
Answer two practical questions and go to the Microsoft 365, Google Workspace, or Sekurzen Guard guidance that matches your environment and objective.
Start with two questions This page is a routing point for customer stakeholders. It does not assume that Microsoft 365, Google Workspace, or Sekurzen Guard is the right answer before your environment and protection outcome are understood. Question 1: Which col
Protect & Govern
Microsoft 365 Data Protection Model
Understand how Microsoft Purview classification, sensitivity labels, DLP, auditing, and endpoint controls work together across Microsoft 365.
Start with the control chain Microsoft Purview provides connected capabilities, but each solves a different part of the problem: 1. Discover and classify: Identify sensitive content through built-in or custom detectors. 2. Label and protect: Express sensitivit
Protect & Govern
Build and Roll Out a Microsoft 365 DLP Policy
Translate a leakage scenario into policy intent, conditions, actions, notifications, testing, simulation, and phased enforcement.
Step 1: Write the policy intent Begin with one sentence that business, privacy, security, and platform owners can approve: Prevent customer identity exports from being shared outside the organization through Exchange, SharePoint, and OneDrive, except with appr
Protect & Govern
Operate and Improve Microsoft 365 Protection
Investigate DLP events, tune false positives, expand to endpoints, measure outcomes, and mature protection without overwhelming users or responders.
Treat deployment as the beginning A DLP policy is not finished when it is enabled. Business processes change, new applications appear, data formats evolve, and users find new ways to collaborate. A rule that was accurate six months ago can become noisy or inco