It is estimated that cryptocurrency scammers stole USD2.7bn during 2020.
Nuisance robocalls have fallen in the USA as billions of voice calls are now blocked automatically.
There was no password protection nor encryption to stop people accessing personal data stored on a server run by one of the founders of app firm AI.type.
We can collect and share data to identify fraudsters but the same data can be used by fraudsters to target us.
There are many apps on Google Play that claim to let Android users send messages which seem to come from somebody else.