• Turkcell Mobile Signature is a service that helps you use your electronic ID (qualified electronic certificate) on electronic realm.
• In other words, Turkcell Mobile Signature is a service that helps you use your Electronic Signature, which is equated to physical signature with Number 5070 Electronic Signature Law, through your GSM SIM cards.

• The data that forms your signature is created by the Qualified Electronic Certificate and is kept in a secure zone in your SimPlus128 Card. Turkcell Mobile Signature service operates with a software that works on the data stored on this secure zone.
• Electronic signature takes place as the user enters the Turkcell Mobile Signature password to this software.
• The Turkcell Mobile Signature password stays on the card and is not sent anywhere.

• In accordance with Electronic Signature laws and regulations, the owner of the electronic signature is protected by E-Secure.
• Telecommunication Commission supervises the procedures relating to the use of Electronic signature.Besides, the related technical infrastructure and the security of the operation is supervised and certified in accordance with ISO/IEC 27001 Information Security Management System standards by independent bodies such as Turkish Standards Institute, and English Standards Institute.
• Your SimPlus128 Card that is compatible with Turkcell Mobile Signature is certified with the highest security CC EAL4+ Security Certificate as required by the relating laws. The data in the card can under no circumstance be copied.
• Electronic Signature is materialized only when you enter your personal Turkcell Mobile Signature on your phone to access the applications in the high security area of your SimPlus128 Card.
• While using Turkcell Mobile Signature, all messages sent to you or by you are encrypted and they are directly addressed to your SIM card and therefore are not stored on your phone.

Can my SIM card be copied? What happens to my Mobile Signature?

• To prevent your SIM card from being copied, G-MILENAGE algorithm is being used. Besides, to prevent it from being copied, your Mobile Signature is endowed with the highest security certificate, EAL 4+.

Is the Turkcell Mobile Signature password secure?

• The Turkcell Mobile Signature password consists of 6 numbers, and is stored on the safe zone in your SimPlus128 card. Since the password is created by the owner of the signature and since it is always stored on the SimPlus128 card and not sent anywhere, it is very secure.
• In case your SIM card is lost or stolen please contact Turkcell Customer Relations.

What is the fingerprint?

• In every signature transaction, a single use code is formed that is called fingerprint. The fingerprint changes with every transaction.
• To make sure that you are signing for the transaction you see on your computer, check if the fingerprint on your computer matches the one on your phone.

Is Turkcell Mobile Signature legally bound? What is its difference from password/pin number?

• Turkcell Mobile Signature us protected by 5070 Number Electronic Signature Law. Therefore, it has the same value and bears the same responsibility to the owner of the signature as a physical signature.
• Applications such as passwords and pin numbers do not exist within a legal framework. In a court, that a transaction is made using a password or pin number is not counted as evidence.
• Turkcell Mobile Signature brings various advantages to the users and lets the user make transactions in a secure environment.

What are the transactions that you can make using your Turkcell Mobile Signature?

• All applications that are integrated to the Turkcell Mobile Signature and compatible with Turkcell Mobile Signature use.
• Turkcell Mobile Signature is already being used in pioneering banks' Internet Branches, Turkcell Online Center and pioneering public bodies.
• Visit www.teb.com.tr or www.turkcell.com.tr for an updated list or call TEB Phone Branch at 4440666 or Turkcell Customer Services at 4440532 / 4440535.