Hello, this is Valerie Sanderson from the Global News Podcast.

I'm here to introduce you to another pod from BBC World Service.

It's the Global Story. They take a deep dive into one big news story every weekday. Let me hand you over to Lucy

Hawkins for a flavor of what to expect when you subscribe. This episode looks at

the fallout from the biggest IT outage in history, crowd strike.

A glitch at a major cyber security firm that brought banks, hospitals, airports, and thousands of businesses to a

stand still. Chaos and growing passenger outrage as Delta Air

Routine appointments, prescription requests, and test results were all

affected. People have never even heard of crowd strike before today.

Now everybody's wondering, how did this happen?

We live in an ever more digital world and the power to derail it, even by mistake,

is concentrated with just a few corporations that keep the

whole system running. So what do we know about these cyber giants and how vulnerable are they

to accidents or attacks that could shut down wide sections of society.

With me today is the BBC Cyber Correspondent Joe Tidy.

Hi Lucy, Joe you're the person we always turn to when we need to understand what's going on in the

digital world but I wanted to take you back to the day or maybe not even the day the

moment where we found out about the crowd strike

outage and what your first gut visceral reaction was. Well I remember well

because I was up at about just after 6 a.m. and I looked a quick look at Twitter before I got on with my kind of morning routine stuff and I thought oh this is interesting what's happening in Australia sounds a bit weird sounds like it

it's quite serious for the Australians I wonder if that will be a story and what of

course transpired was that it all started in Australia because that's where the people

...