Cydia account help

[Wtoj34]

Wirelessly posted (Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_1 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8G4 Safari/6533.18.5)

I want to buy a theme from cydia and it says to link my device to my gmail account. Judging by how they say this it doesn't sound very safe an I would really hate for something bad to happen to my itouch. Plz help!

 

[Wtoj34]

Wirelessly posted (Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_1 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8G4 Safari/6533.18.5)

I would also like to know what it means by link to account

 

[Consultant]

They are a huge business. It's safe.

It they want to hack into your device they could have done it when YOU jailbreak it and installed their software (cydia).