As I am sure you know computer fraud is big money for some, and growing.
You can help stem this by reporting attempted scams to Actionfraud
Common current scams:...
Phone calls from Amazon - they will not be genuine unless you have contacted them first.
Calls from Microsoft - they will not be genuine unless you have contacted them first.
Calls from you Internet service provider saying you have a virus on your computer - These will always be scams - hang up - on no account allow unknown callers to check your computer - hang up.
Emails: - dont follow links in emails asking for security detail confirmation - these will be scams - delete after forwarding to Actionfraud.