These notes contain the whole 3rd unit for IP university 6th sem mid term and end term exam

Following are the topics covered:

Security Threats,
Security risks of a site, 
Web attacks and their prevention
, Web security model,
 Session management,
 authentication,
 HTTPS and certificates
, Application vulnerabilities and defenses.
 Client-side security, Cookies security policy,
 HTTP security extensions, Plugins, extensions,
and web apps, Web user tracking.