What is the main purpose of this excerpt from a speech?

Every year, 15 million Americans are the victims of computer hackers who steal their personal information. And this number is growing every year. Hackers can break into your bank accounts, cell phones, and computers. There are steps that you can take to protect yourself online. For example, some software can prevent you from visiting websites that could steal your information and misuse it.

A.
to inform people about the number of computer hackers
B.
to inform people how hackers access their personal information
C.
to inform people how to create appropriate passwords
D.
to inform people not to use the Internet because it’s not safe
E.
to inform people about how to protect their personal information online