Which security measure limits the access of outsiders to the internal network of a business?

A) data encryption

B) computer firewall

C) antivirus programs

D) spyware protection

Which security measure limits the access of outsiders to the internal network of a business? Data encryption. When you encrypt your data, there is less chance for an outsider to get in a retrieve your information. Encrypting something uses an algorithm to generate cipher text that can only be read if a person has access to that information. Most businesses use something of sorts to keep high security on information they do not want to get out.