The Hello, welcome to the naked scientists with me Chris Smith and also with Cat Arnie.

This week we explore the world of cyber security.

What is your mobile phone telling hackers about you without you even realizing?

How companies are compromising competitors' websites to boost their own sales

and the security breaches that mean the devices we

plug into the internet are aiding criminals. I found a petrol station. This petrol

station has a feed over the chip and pin terminals which you use when you make payments

and it's high enough resolution that I could see all of the credit card numbers

and the pin numbers being typed in and that was streamed to the internet with no username and password.

Scary stuff. Plus in the news and update on Ebola and after a hundred years has DNA technology

revealed the identity of the notorious London murderer Jack the Ripper.

Stay tuned to find out.

The Naked Scientists Podcast is powered by UKfast.coDOT UK. First up this week with over 3,000 victims so far, the Ebola crisis gripping parts of West Africa is 10 times larger

than previous outbreaks since the disease first surfaced 40 years ago.

Scientists also speculated this week that up to 20,000 people might be affected

before the outbreak peaks.

So why is this happening?

According to a new study, it's because the human population, communications, including roads and people's travel patterns in the affected countries, have changed dramatically in recent years.

And this is what's driving the spread.

Even more worrying is that the new study also suggests that in total 22 African countries could be at risk

from similar Ebola outbreaks.

From the University of Oxford, lead researcher David Pigett. Given the recent outbreak in Guinea, we've been looking at how Ebola is actually spread around

...