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CSRF Tutorial
BOSS QUIZ
10 questions · 5 minutes · pass at 70% to clear the track.
05:00
Start
Q1.
On mismatch, the server should…
from Synchronizer Token
Log the user in
Reject with 403
Redirect to home silently
Return 200
Q2.
Origin/Referer checks add…
from Origin / Referer Check
A primary defence on their own
Defence in depth alongside tokens
A logging requirement
Nothing
Q3.
The classic shape requires the victim to be…
from Intro
Logged out
Logged in to the target site
On the attacker's LAN
Using mobile
Q4.
Its main advantage over the synchronizer pattern is…
from Double-Submit Cookie
No server-side session storage
Better browser support
Mandatory CAPTCHA
Encryption
Q5.
The most browser-compatible safe default for sessions is…
from SameSite Cookies
SameSite=Lax
SameSite=Strict
SameSite=None
No SameSite
Q6.
For the strongest cross-site protection on sensitive flows pick…
from SameSite Cookies
SameSite=Strict
SameSite=None
No SameSite
SameSite=Open
Q7.
CSRF works because…
from Intro
Browsers auto-send cookies on cross-site requests
Servers ignore POST
JS is sandboxed
CORS is broken
Q8.
It should still use SameSite cookies because…
from Double-Submit Cookie
It looks nicer
Without SameSite, attacker JS can read its cookie via sibling subdomain attacks
It is required by GDPR
Performance
Q9.
Origin is preferred to Referer because…
from Origin / Referer Check
It is shorter and rarely stripped
Browsers always send Referer
It contains the path
It is encrypted
Q10.
The form submits the token in…
from Synchronizer Token
A header or hidden input
The URL only
A query string only
A meta tag only
Submit
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