Question

CHapter 8 from 978-0-13-408504-3

(Security in Computing 5th Edition)

1. Explain the differences between public, private, and community clouds. What
are some of the factors to consider when choosing which of the three to use?
2. How do cloud threats differ from traditional threats? Against what threats are
cloud services typically more effective than local ones?
3. You are opening an online store in a cloud environment. What are three
security controls you might use to protect customers’ credit card information?
Assume that the information will need to be stored.
4. Define TNO. Name three types of data for which one should want TNO
encryption.
5. How do cloud services make DLP more difficult? How can customers
wishing to enforce DLP mitigate this issue?
6. You run a website in an IaaS environment. You wake up to discover that your
website has been defaced. Assume you are running a web server and an FTP
server in this environment and that both an application proxy and a firewall sit
between those servers and the Internet. All of your VMs are running SSH
servers. What logs might help you determine how the website was defaced?
What kind of information would you look for?
7. Sidebar 8-2 shows that personal biographical information—addresses, phone
numbers, email addresses, credit card numbers, etc.—can not only be used by
attackers to hijack accounts but can also be collected from one hijacked account
to help an attacker gain access to the next. How can you protect yourself against
this kind of attack? What can cloud providers change to mitigate such attacks?
8. Describe an FIdM authentication system for which you have been a Subject.
What organization acted as the IdP? What service acted as the SP?
9. Name three security benefits of FIdM over requiring users to use a new set of
credentials.
10. Why is it important to sign SAML Assertions? Why is it not important to sign
OAuth Access Tokens?
11. In OAuth, what attack does the Client Secret mitigate? Why do you think the
Client Secret is optional for Public Clients?
12. Name four services that might allow you to control a VM in an IaaS environment.
What entity controls each service?
13. What are some characteristics of systems in which you would expect application
whitelisting to work well? What about systems in which you would expect it to not
work well?