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Product & Engineering

SEPTEMBER 21, 2022 MATTHEW BROOKS


DUO’S MACLOGON RELEASE ENHANCES MACOS SECURITY WITH OFFLINE AND M1 SUPPORT

MacOS is a popular computer operating system used on Apple computers. Like any
personal computing device, it requires local authentication to login. Apple
provides username and password login for primary authentication and Cisco Duo
provides secondary factors to strengthen the macOS security authentication
process. Now Duo has extended support for secondary authentication when the
macOS endpoint is offline and added support for the popular M1 line of macOS
hardware.


MACOS AND MFA

MacOS is the second most used desktop/laptop operating system at ~15% of the
worldwide market and it is estimated to have as much as 30% share among
developers. Among other benefits Mac enthusiasts communities, such as at
universities, often claim it provides a better user interface and with a closed
ecosystem has less security vulnerabilities. Those communities look to vendors
like Duo to provide multi-factor authentication (MFA) to mitigate the risk of
bad actors breaching their macOS security systems.


PRIOR DUO SUPPORT FOR MACOS

Until now Duo could be implemented in macOS environments easily, like most Duo
products – we are good at both admin and user experience! Admins push a plugin
to macOS user endpoints that have keys and a hostname needed to securely connect
to Duo Cloud. Within the cloud console admins could create a variety of granular
policies to manage authentication according to their security strategy.


NEW DUO SUPPORT FOR MACOS

Duo can still be implemented with macOS security in the same way to provide
secondary authentication, but now admins have the option of allowing offline
access including specific constraints around its use like how many login
attempts are allowed until a user is back online. So, now when users are
traveling, at a remote location without Wi-Fi, or just taking a break from
social media they can still login to their macOS endpoint with Duo providing
second factor authentication.


HOW IT WORKS ONLINE

After admins go through the Duo installation process on macOS endpoints they
have a Plugin running with hooks into the local authentication process. Then
after the macOS security process validates a local username and password it
prompts Duo to perform secondary authentication for that username.

The user may be assigned a specific method like Push or be allowed to select a
method. Once they proceed with a method, Duo validates the user and confirms or
denies them access to the macOS endpoint.


HOW IT WORKS OFFLINE

When macOS users are offline the initial process is similar, but once the Duo
authentication process recognizes it cannot reach Duo Cloud it initiates offline
login. The first login it offers the user is the option to enroll in offline
login.

The user will be asked to select a:

 * Duo Mobile Passcode - A 6-digit numeric string is provided in the Duo mobile
   app for the user to enter in order to validate secondary authentication on
   the macOS device

Duo admins are given other configuration options to manage the offline
authentication experience, such as the maximum offline login attempts allowed.

Once Duo re-establishes communication with Duo Cloud it uploads details of
offline activity to populate corresponding logs, dashboards, and reports. It
also reestablishes the online secondary authentication requirement moving
forward.


DUO SUPPORT FOR APPLE M1 SERIES

Whether using online or offline login Duo has also added support for M1 Macs.
Duo Mac Logon 2.0 will support the M1 chipset. Apple M1 System on a Chip (SoC),
is a new chipset that is replacing Intel processors in 13-inch MacBooks and the
Mac Mini. According to Apple, M1 is the best performing chipset on the market.
To compliment that great performance Duo supports secondary authentication to
provide top notch identity validation with a great user experience!




SUMMARY

Cisco Duo is a cornerstone for multi-factor authentication in the security
industry. Duo supports leading authentication methods including verified Push,
OTP (One Time Password) Hardware Token, Duo Mobile, and SMS Passcodes. At the
same time macOS users and admins delight in the easiness of the experience.

Now Duo’s macOS security offline login functionality extends that great MFA
protection to users when they are traveling. Admins can rest assured that once
users are back online, their access details are seamlessly synchronized with Duo
cloud.


TRY DUO FOR FREE!

With our free 30-day trial and see how easy it is to get started with Duo and
secure your workforce, from anywhere and on any device.


TAGS

 * Apple


AUTHORS

 * MATTHEW BROOKS
   
   PRODUCT MARKETING MANAGER


RELATED

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   HEY SIRI, WHAT’S NEW AT WWDC?

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   TEST NEW MACOS VERSIONS EARLY TO PROTECT YOUR USERS

--------------------------------------------------------------------------------


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