Since being retired with some cash, I must have had 100 calls which have been either scam or trying to "help" me. All unsolicited.
Sometimes a "bank" will call and start asking me for security details. Sometimes it's really a bank.
Every time I log on to HMRC I get a a call "from HMRC" warning me I'm about to be prosecuted unless I .....
Trust nobody. Everything is porous.
Quite often, legit-ish callers come up as spam. Like a platform I've contacted.
I ask if it's important. They say yes.
So I ask them to put it in the post.