[WEBINAR] The New Normal: Dealing with the Reality of an Unsecure World

Browser Helper Object (BHO)

Definition - What does Browser Helper Object (BHO) mean?

A Browser Helper Object (BHO) is a DLL module designed by Microsoft to allow developers to create plug-ins for its Internet Explorer browser. BHOs can display content that was not originally written in HTML, such as a PDF file, or it can allow developers to add toolbars to the browser. BHOs are supported in Internet Explorer version 4 and up.

Techopedia explains Browser Helper Object (BHO)

The Browser Helper Object was created by Microsoft in 1997 to make it easy for developers to create plug-ins for Internet Explorer and Windows Explorer. They are implemented as DLL modules.

BHOs first appeared in Internet Explorer 4.0 and are still supported, even though plug-ins like Flash are falling out of use and Microsoft itself has discontinued development of Internet Explorer in favor of Edge. Some major plug-ins implemented as BHOs include Adobe Reader and the Alexa toolbar.

As with any browser plug-in mechanism, there are always security risks. Some versions of malware have been implemented as BHOs. Other BHO-based plug-ins can track browsing habits and keystrokes.

Techopedia Deals

Connect with us

Techopedia on Linkedin
Techopedia on Linkedin
"Techopedia" on Twitter

Sign up for Techopedia's Free Newsletter!

Email Newsletter

Join thousands of others with our weekly newsletter

Free Whitepaper: The Path to Hybrid Cloud
Free Whitepaper: The Path to Hybrid Cloud:
The Path to Hybrid Cloud: Intelligent Bursting To Amazon Web Services & Microsoft Azure
Free E-Book: Public Cloud Guide
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.