The Mac Just Became a Lot Easier to Secure. What IT Admins Need to Know

Apple’s “What’s new in managing Apple devices” session (WWDC26, Session 206) was packed with management news, but the real story this year is security. Here’s my high-level take.

Every year I watch Apple’s device management session with a very practical lens:

What can we actually use in enterprise Mac projects?

This year, there was a lot to take away. Apple is clearly moving Mac management in a more security-focused direction, with Declarative Device Management becoming the foundation for many of the new capabilities.

For me, the interesting part is not just that Apple announced new features. It is that several of them address real problems we meet in customer environments: how to control what can run, how to handle privacy prompts, how to improve login security, how to manage credentials better, and how to get more reliable device status.

Let’s walk through the highlights.

Declarative management: “The future” is officially over

Apple opened with a deliberate rewording of their own slogan. For years it was “the future of device management is declarative management.” At WWDC26, that changed to: “the standard for device management is declarative management.”

That’s not marketing fluff. It’s a signal. Declarative device management (DDM) is now in production across fleets worldwide, and Apple’s message to anyone still running pure MDM-command workflows was blunt: you’re working harder than you need to. Every major new capability announced this year is declarative-only. If your management strategy hasn’t embraced DDM yet, this is the release that forces the conversation.

Binary execution control: application allow/deny, built into macOS

This is, for me, the biggest security announcement of the session.

macOS 27 introduces declarative settings to control binary execution, built on the Endpoint Security framework. IT admins can now allow or deny binaries from running, and even terminate processes tied to a denied binary, using flexible rules based on code signing properties, so you’re matching the actual trusted binary, not just a filename. There’s also a smart shortcut: automatically allow anything that’s a managed app, no per-app rules required.

Why this matters: application control on macOS has traditionally meant third-party tools or hand-rolled solutions. Having allow/deny enforcement native to the OS, driven declaratively, is a major step toward meeting compliance regulations (think application whitelisting requirements) without adding yet another agent to the device.

Platform SSO grows up: required Touch ID, web auth, and QR sign-in

Identity was the other big security theme, and Platform SSO got serious upgrades in macOS 27:

• Touch ID as a required second factor. Admins can now require Touch ID together with the user’s password on organization-owned Macs, including login, screen unlock and FileVault unlock.

• Web-based authentication at the login window. Identity providers can now use a secure web view directly in the login window, enabling modern sign-in flows such as MFA, push-based authentication and branded login pages.

• QR code sign-in. The new web authentication flow also supports QR code sign-in, which is especially interesting for shared-device scenarios like healthcare, retail and frontline workers.

• Authenticated Guest Mode + FileVault. Temporary shared-Mac sessions can now unlock FileVault-protected Macs, making shared-device scenarios easier to align with data protection requirements.

Privacy prompts: one consent dialog instead of ten

Anyone who’s deployed a line-of-business app on macOS knows the dance: camera prompt, microphone prompt, location prompt, and users clicking through blindly, often leaving apps misconfigured.

iOS, iPadOS and macOS 27 introduce a new consolidated privacy consent prompt for managed apps and Safari websites. Instead of several separate prompts, the user gets one clearer dialog with the organization name, admin justification and the requested privacy permissions. The user still makes the final choice, but the experience becomes easier to understand and less likely to leave apps misconfigured.

Smaller announcements with real security impact

A few more items worth noting:

• Managed app configuration comes to macOS 27, including hardware-bound keys and Managed Device Attestation for authenticating apps and extensions against enterprise services. If you build internal apps, the ManagedApp framework should be on your roadmap.

• Declarative credential management: multiple configurations can now reference a single credential asset. Rotate a certificate once, and the device updates every configuration that uses it. Credential lifecycle management gets dramatically cleaner.

• Lockdown Mode visibility: a new status item tells your MDM when a user has enabled Lockdown Mode.

• Device system health reporting on iOS/iPadOS 27 (baseband, camera, Face ID, Touch ID and more) via the status channel, giving proactive fleet health without polling.

• Package hygiene: macOS 27 can remove all files installed by a DDM package when the configuration is removed. No more orphaned data lingering on devices.

• Managed migration: move users to a new Mac while preserving enrollment and admin-controlled security and privacy settings.

On the services side, Apple Business expands to 200+ countries with new APIs (Blueprints, Configurations, users/groups, audit events), and volume licensing now covers app subscriptions.

Apple has published the session here:

What’s new in managing Apple devices — WWDC26

Now the exciting part is to see how quickly Microsoft Intune adopt these capabilities – and to support them from day one.