My son-in-law sent me the following that he had received -
"Just got the usual sort of “support desk” call from “BT Openreach” with a new twist…
Caller wanted to confirm who they were by quoting my CLS id at me… No idea what it was at the time, but caller sounded iffy so hung up…
Looked up CLS id and apparently it’s common across most PCs… same on desktop and laptop here… Good trick…
Anyway, thought I’d share and here’s a valid link explaining how it works…
https://www.welivesecurity.com/2011/07/19/support-desk-scams-clsid-not-unique/
Nicola Sturgeon’s husband re-arrested