Barclays Credit Card Complaint

Barclays Credit card department,

Identity theft / Fraud / Embezzlement New York

I 'm a holder of a - Mastercard, issued by Barclaycard. In the last month, Barclaycard has stopped - of my transactions and harassed me either via phone or text message that my card is blocked due to security concerns. The transactions ( - - / - - / - - and two times on - - were in range between - - - USD. As Comparison, my Credit Line is - USD and my annual spend with the Card approx. 60k USD. I understand that as a card owner I have the obligation to support the card issuer to keep my account safe, but stopping the usage of my card - times within a calendar month where non of the payments are disputed require your regulatory advise.