Phishing Emails CS 142 Lecture Notes: Security Attacks: Phishing - - PowerPoint PPT Presentation

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Phishing Emails CS 142 Lecture Notes: Security Attacks: Phishing - - PowerPoint PPT Presentation

Feb 23, 2024 446 likes •557 views

Phishing Emails CS 142 Lecture Notes: Security Attacks: Phishing Slide 1 Legitimate: Extended Validation CS 142 Lecture Notes: Security Attacks: Phishing Slide 2 Obviously Illegitimate http://rusprory.mass.hc.ru/old_site/update/index.php CS

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Slide 1

Phishing Emails

CS 142 Lecture Notes: Security Attacks: Phishing

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 2

Legitimate: Extended Validation

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 3

Obviously Illegitimate

http://rusprory.mass.hc.ru/old_site/update/index.php

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 4

Look-alike Characters

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 5

Legitimate Partners Can Look Fishy

??? ???

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 6

International Character Sets

  • What does this URL refer to?

www.bank.com/accounts/login.php?q=me.badguy.cn

  • This is a host name only!

Chinese characters that look like "/", "?", and "="

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 7

Picture in picture

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 8

HTTPS Indicators

HTTP HTTPS Firefox 10 IE 8 Chrome 17

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 9

Extended Validation Certificates

Extended Normal HTTPS Firefox 10 IE 8 Chrome 17

Certificate Authority

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CS 142 Lecture Notes: Security Attacks: Phishing Slide 10