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What’s DabAclUpdate.exe (Device Access Broker ACL Update)? Is it safe or a virus?

So what's DabAclUpdate.exe? It took some time and research, but I think I figured it out.

Microsoft has a Device Access API. Microsoft writes on their official website that "you can use the Device Access API to write Windows Store device apps for specialized devices that use custom drivers. The API provides methods for sending control codes to communicate with the device's custom driver."

I also researched what an ACL is, in relation to a Windows PC.

I found that Access Control Lists (ACLs) are mechanisms in computer and network security that manage permissions for users and groups to system objects, such as files and directories. Each entry in an ACL, called an Access Control Entry (ACE), specifies the access rights allowed, denied, or audited for a designated user or group. ACLs implement the principle of least privilege, ensuring individuals have only the access necessary to perform their tasks.

I believe DabAclUpdate.exe is related to how Windows Store device apps use Microsoft's latest ACL system. Therefore, it appears it's a system to protect the integrity of Windows Store device apps, so the Windows store works in a secure way, protecting the user's PC.

Researched by Carl @ SpyShelter Labs

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More about DabAclUpdate.exe on WINDOWS

Who makes DabAclUpdate.exe (Device Access Broker ACL Update)?

We’ve found Microsoft Corporation should be the publisher of DabAclUpdate.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: February 27, 2024

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