illustration for Web Security Essentials: MITM, CSRF, and XSS

Course

Web Security Essentials: MITM, CSRF, and XSS

1
Course Overview: Web Security Essentials
4m 17s
2
Simulate Man in the Middle Attacks and Inspect Network Traffic with Charles Proxy
3m 1s
3
Add https to a Localhost Express App to Prevent MITM Attacks
2m 33s
4
Redirect All HTTP Traffic to HTTPS in Express to Ensure All Responses are Secure
2m 19s
5
Set the Secure Cookie Flag to Ensure Cookies are Only Sent Over Secure Connections
1m 35s
6
Add HSTS Headers to Express Apps to Ensure All Requests are https Requests
4m 15s
7
Create a Proof of Concept Exploit of a CSRF Vulnerable Website
4m 1s
8
Mitigate CSRF Attacks by Setting the SameSite Cookie Flag in Express
2m 46s
9
Add CSRF Token Middleware to an Express Server to Mitigate CSRF
6m 12s
10
Make an XSS Payload to Read a Cookie from a Vulnerable Website
3m 50s
11
Set the httpOnly Cookie Flag in Express to Ensure Cookies are Inaccessible from JavaScript
1m 27s
12
Make an XSS Payload to Read document.body from a Vulnerable Website
53s
13
Prevent Inline Script Execution by Implementing Script-Src CSP Headers in Express
5m 30s
14
Read Document Content from a Vulnerable Website via Script Tag Injection in an XSS Payload
1m 11s
15
Add a Nonce Based script-src Header in Express to Only Allow Scripts that Match the Nonce
3m 7s
16
Prompt Users for Credentials from a Vulnerable Website via iframe Injection
1m 36s
17
Add a default-src CSP Header in Express to Enforce an Allowlist and Mitigate XSS
2m 15s

Add https to a Localhost Express App to Prevent MITM Attacks

Mike Sherov

InstructorMike Sherov

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In this lesson, we'll learn how to add https (and remove http) support to the localhost version of our express application. By adding https support, we'll be able to prevent a MITM (in this case Charles Proxy) from reading our session id, mitigating the attack known as "session hijacking".