Kurt 'The CyberGuy' Knutsson discusses Elon Musk's possible priorities as he exits his role with the White House and explains the urgent warning for iPhone users to update devices following a 'massive security gap.'

The cyber incident was discovered on June 30, and is believed to have compromised the data of up to 6 million customers.

Australia's Qantas Airways said on Wednesday more than a million customers had their phone number, birth date or home address accessed in one of the country's biggest cyber breaches in years.