Enterprise projects developing Mobile applications are more concerned with security than small scale app development because

Security is a major concern for organisations.

Explanation:

Developing mobile application for companies is usually centered on security because of the fear of beach of sensitive company information.

For example, a company may need to decide what measures to put in place that can prevent or reduce data breaches. They may either give employees customize devices with already installed mobile applications or provide unique login details to employees to access the Enterprise mobile application on their own phone.

browsing like internet search? don't look at anything stupid. or set up restrictions on ur device's search engine. and if something suspicious comes up don't be dumb and click on it. i hope that's what ur question meant.