These organizations are responsible for keeping your data safe and do not use it for fraudulent purposes. At least the services I checked never gave me any trouble. At most sms and the occasional phone call I receive with an offer to apply for a new loan. I use https://usnetloan.com/personal-loans/ , I advise you to consider this option, the service is proven and the conditions are more than acceptable.
I wouldn't risk my personal information. Especially online. On the other hand, such organizations have an official license, which should guarantee some security of data and borrowers. But who knows what will happen to your debts later.