Digital Security Brief: Copilot DLP and WebAssembly Evolution

Microsoft Purview DLP to Safeguard Sensitive Web Search in Microsoft 365 Copilot and Copilot Chat

• Microsoft Purview Data Loss Prevention (DLP) is being extended to safeguard sensitive web searches within Microsoft 365 Copilot and Copilot Chat environments.
• This feature will prevent users from inadvertently exposing sensitive information, such as classified data, during web search interactions with AI assistants.
• The update aims to enhance data security and compliance for organizations utilizing Copilot's web-enabled AI capabilities.

Source: Microsoft 365 Roadmap | Date: February 26, 2026

Mozilla Advances WebAssembly as a First-Class Web Language

• Mozilla is actively working to elevate WebAssembly (Wasm) to a "first-class language" on the web, aiming for broader integration and capability parity with JavaScript.
• This initiative includes efforts to enhance Wasm's module system, improve its interaction with web APIs, and develop new proposals like "WasmGC" for garbage-collected languages and "Component Model" for interoperability.
• The goal is to enable developers to build more performant, secure, and feature-rich web applications by leveraging Wasm's efficiency and multi-language support.

Source: Mozilla Hacks | Date: February 26, 2026

References

1. Microsoft Purview Data Loss Prevention to safeguard sensitive web search in Microsoft 356 Copilot and Copilot Chat - Microsoft 365 Roadmap
2. Making WebAssembly a first-class language on the Web - Mozilla Hacks