The old man received the message and looked at it. Is it dangerous?

There is no danger for the old man to read after receiving the news. Be careful not to click on the link of the message sent by the unknown mobile phone number.

To avoid the interference of spam, we should be scientific first, don't click on strange links casually, and pay attention to fraud prevention. This will improve the situation. Not browsing junk websites and living regularly are good for your health and your mobile phone.