By now we have all heard about the Optus hack, with around 10 million people's data at risk, and up to 2 million sensitive records taken. This week we mark the start of Cyber Security Awareness Month by looking at what happened (based on current reporting), what could have been done to prevent it, and what best practice cyber security looks like. Darryl Turner, Head of DevOps at Lightwire, joins Brendan and Nick to go through all the details.