Cathy wants to buy a new watch online, but is concerned about security when making the purchase. Which of the following increases the chance that her payment is NOT secure$?$

Question $2$ options:

a$)$

Shopping using an e$-$wallet

b$)$

Shopping on a website that uses $3$D Secure protocol

c$)$

Shopping on a website that uses Transport Layer Security

d$)$

Shopping on a website that uses the HTTP protocol