This is a consumer to consumer forum.
I don't work for HP and I suggest you contact them for the country you live in at the link below --Questions before you buy.
http://www8.hp.com/us/en/contact-hp/ww-contact-us.html
Here is a webpage with a listing of the current HP business notebooks for sale.
http://www.hp.com/large/products/notebooks.html
No HP Pavilion notebooks come with a TPM.
The security software normally used on HP business notebooks is the HP Client Security Manager program which then allows individual security program "plug in's.
Here is a link to a driver download page from a business notebook. You can look at the security driver section to see the software that normally is used.
That is all the info I can provide to you regarding this matter.