Can someone tell me if there is a difference in a Security Alarm and a Intrusion Alarm? ?

I am asking b.c I am making a brochure and the company I worked for previous told me that we couldn’t put security alarm b.c they aren’t monitored. Now the new company is putting security alarm and I am saying we need to put intrusion alarm. So I just need to know does it matter [...]

i need to install an intrusion alarm system in my residence home in Houston area. which company is reliable?

and big and has reasonable price? I’m new in this Texas, so I dont know which company to choose from. Thanks. Pls provide website or phone #.