Bitrix. News infoblock. How to set up separate access for the announcement and content?

Question

1C-Bitrix

Good afternoon, tell me what code can be used to close a certain type of user access to the detailed page, but at the same time allowing them to read the article announcements. The infoblock is tied to one index.php page. The
booth is glad if there are other ideas, for example, on the detailed page to make the text unreadable

Answer 1

learn to program, make your own component in which the user group will be checked

Answer 2

Setting access rights. Go, read, enlighten.