Esther Tan

A passionate and curious individual, I am always keeping abreast of latest security trends and am keen to promote security in all functions. I also enjoy challenging myself and constantly look to grow and acquire new knowledge.

Provided Formal Approval Services for Mastercard and Discover in EMV card personalization validation (CPV) and payment terminal validation (M-TIP and DPAS)
Executed and debugged L3 application testing on payment terminals for Mastercard, Visa, Discover, UnionPay and domestic brands

Provided customised workshops and trainings to customers as an SME, leveraging on technical expertise to help define customer's card personalization profile for Mastercard, Visa and domestic brands

Expert in L3 specifications for Mastercard, Visa, Discover, UnionPay, Eftpos (AU), MCCS (MY), Global Payments (AP) Performed functional testing and validation for EMVCo 3DS components using UL STP

Experienced in acquirer host testing for brands, such as Mastercard NIV
Experienced with payment switches (eg. Fiserv), payments test tools (eg. ULBTT, PVT), brand simulators (eg. VTS, Finsim)

Master of Science in Information Security

Familiar with ISO 27000 series Cryptography including PKI Network and OS Security

Bachelor of Science with Honours (Merit) in Mathematics Thesis on approximating pi from hypergeometric functions

Minor in Japanese Studies
Student Exchange Program at Tohoku University (Sendai, Japan)

Abstract on proving tangent bundle as manifold