Bảo mật 2FA - Part 3 TOEIC Luyện Thi
Tóm tắt nhanh: Khách hỏi 2FA OTP SMS. 3 câu hỏi: là gì, cách bật, an toàn hơn.
Hội thoại
CSR: Hello. How can I help?
Customer (Wei): I keep reading about two-factor authentication. What is it exactly?
CSR: It adds an extra layer of security beyond your password. When you log in, you'll be asked for a one-time code sent to your phone.
Wei: How do I enable it?
CSR: Go to Settings > Security > Two-Factor Authentication in your online banking.
Wei: Is it really safer than just a password?
CSR: Yes. Even if someone steals your password, they can't access your account without the code.
3 câu hỏi trắc nghiệm
Question 1: What is 2FA?
- (A) Two-factor authentication ✓
- (B) Just password
- (C) Username + password
- (D) Biometric only
Đáp án: (A) - "two-factor authentication".
Question 2: Where is the second code sent?
- (A) Email
- (B) Phone ✓
- (C) Bank
- (D) Mail
Đáp án: (B) - "sent to your phone".
Question 3: Why is 2FA safer?
- (A) Faster login
- (B) Even stolen password can't access ✓
- (C) Lower fees
- (D) Less data
Đáp án: (B) - "even if someone steals your password".
Từ vựng
| Từ vựng | Nghĩa |
|---|---|
| two-factor authentication (2FA) | xác thực 2 yếu tố |
| extra layer | lớp bổ sung |
| beyond | ngoài |
| password | mật khẩu |
| one-time code | mã dùng một lần |
| phone | điện thoại |
| enable | bật |
| Settings | cài đặt |
| Security | bảo mật |
| really safer | thực sự an toàn hơn |
| steals | đánh cắp |
| access | truy cập |
| account | tài khoản |
| code | mã |
| OTP | one-time password |
| 2FA | viết tắt |
Traps
Bẫy 1: Definition
- "Two-factor" = password + something else (phone, biometric).
Bẫy 2: 2nd factor type
- SMS OTP, authenticator app, hardware token.
Bẫy 3: When 2FA matters
- Even with password stolen, account safe.
Topic: 2FA với password + SMS code cho extra security.
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