Introduction, authenti...

Introduction to computer security

CIA Paradigm The CIA paradigm for information security states three desiderata: Confidentiality...

Authentication

Identification is when an entity declares its identity ("I am Stefano", "I am Michele", ...) whil...

Access control

Reference monitor The reference motior enforces access control policies ("who does what on which ...

Exercises on introduction

Question 0 Consider the phenomenon of identity stealing in social networks (e.g., Facebook, Twitt...

Exercises on authentication and access control

2021-2022 Demo exam exercise 1 (4 points) In a company, each employee works in an open space. We ...

Introduction to computer security

Authentication

Access control

Exercises on introduction

Exercises on authentication and access control

Introduction to cryptography and perfect ciphers

Computationally secure ciphers and pseudorandom number generators

Chosen Plaintext Attacks (CPAs)

Data integrity and Message Authentication Codes (MAC)

Asymmetric cryptosystems

Data authentication and digital signatures

The public key binding problem and digital certificates

Fundamentals of Information Theory

Exercises on cryptography

Introduction to software security

Recalls of Linux

Buffer overflows

Format String Bugs

Exercises on software security

Introduction to web security

Cross Site Scripting (XSS)

SQL injection

Cookies and sessions

Cross-Site Requests Forgery (CSRF)

Other vulnerabilities

Exercises on web security

Network Protocol Attacks

Firewalls

Architectures for secure networks

TLS and SET

Exercises on network security

Malwares introduction

Defending againts malware and stealth techniques

Exercises on malwares

Introduction, authentication and access control

Introduction to computer security

Authentication

Access control

Exercises on introduction

Exercises on authentication and access control

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