Yes
No, a company who wants to make a loan is not allowed to pull your credit without your consent. If you've filled out an application form or provided your information to the bank, in the interest of obtaining a loan they have every right (and if in writing, your consent) to do a credit check to view your history.
It is possible that you have been a victim of a scam if someone paid off your credit card without your knowledge or consent. It is important to review your credit card statements and contact your credit card company to investigate further.
Yes. They have the right to do that. They are the one who is giving you the credit in the first place. Not only can they do that but they can also take away all your credit and close your account for no reason at all if they choose too and they can also sell your account to another company without your permission just because they want too. But they have to notify you that they are doing that. Yes, they can change or even cancel your limit without your consent.
My guess is that company was a collection agency? Never give anyone your bank info, or credit card info. If the company was a legitimate company you were doing business with and you did not authorize payment dispute the charge with your credit card company.
No
(in the US) Unfortunately - yes.
Yes, it is possible to dispute a tip on a credit card transaction if you believe it was added without your consent or was an incorrect amount. You can contact your credit card company to initiate the dispute process.
Yes, National Credit Systems is a legitimate company that provides debt collection services.
No, a company can not charge a credit card without permission. This violation should be reported immediately to your credit card company.
The CC Company may have seen an increase risk when they saw on an updated credit report/score. It could be a late payments, collections or any other derogatory item on your credit report that triggered it. The CC have the power to limit or increase your credit limit to lower their liability.
Yes, it can but it has to have your signed consent to do so.
No.