John McAfee says his Twitter account was hacked

John McAfee has said his Twitter account was hacked and used to promote lesser-known crypto-currencies. 

In recent times, he has come to be seen by some as a crypto-currency guru.

The cyber-security pioneer has rebuffed suggestions that the alleged incident undermined his own credentials saying: "I have no control over Twitter's security".

Twitter declined to comment but highlighted its security advice guide.

As always, Donline's advice re crypto-currencies is simple:

www.bbc.co.uk