Quiz #11 InfoSec

TRUE

Because people inside an organization generally have more detailed knowledge of the IT infrastructure than outsiders do, they can place logic bombs more easily.

FALSE

System infectors are viruses that attack document files containing embedded macro programming capabilities

TRUE

A successful denial of service (DoS) attack may create so much network congestion that authorized users cannot access network resources

TRUE

ActiceX is used by developers to create active content.

Polymorphic virus

Adam discovers a virus on his system that is using encryption to modify itself. The virus escapes detection by signature-based antivirus software. What type of virus has be discovered?

Confidentiality

Alison discovers that a system under her control has been infected with malware, which is using a key logger to report user keystrokes to a third party. What information security property is this malware attacking?

TRUE

An electronic mail bomb is a form of malicious macro attack that typically involves an email attachment that contains macros designed to inflict maximum damage.

TRUE

Attacks against confidentiality and privacy, data integrity, and availability of services are all ways malicious code can threaten businesses.

Trojan horse

Breanne's system was infected by malicious code after she installed an innocent-looking solitaire game that she downloaded from the Internet. What type of malware did she likely encounter?

FALSE

Trojans are self-contained programs designed to propagate from one host machine to another using the host's own network communications protocol.

Whitelisting

Val would like to limit the websites that her users visit to those on an approved list of pre-cleared sites. What type of approach is Val advocating?

Data Import

What is NOT one of the four main purposes of an attack?

Remote Access Tool (RAT)

What type of malicious software allows an attacker to remotely control a compromised computer?

TRUE

It is common for rootkits to modify parts of the operating system to conceal traces of their presence.

Spear Phishing

The CEO of Kelly's company recently fell victim to an attack. The attackers sent the CEO an email informing him that his company was being sued and he needed to view a subpoena at a court website. When visiting the website, malicious code was downloaded onto the CEO's computer. What type of attack took place?

FALSE

The four primary types of malicious code attacks are unplanned attacks, planned attacks, direct attacks, and indirect attacks.

TRUE

The goal of a command injection is to execute commands on a host operating system.

FALSE

A smurf attack tricks users into providing logon information on what happen to be a legitimate website but is in fact a website set up by an attacker to obtain this information.

TRUE

Defense in depth is the practice of layering defenses to increase overall security and provide more reacting time to respond to incidents.

Cross-site processing (XSS)

Larry recently viewed an auction listing on a website. As a result, his computer executed code that popped up a window that asked for his password. What type of attack has Larry likely encountered?

FALSE

Retro viruses counter the ability of antivirus programs to detect changes in infected files.

.docx

What file type is least likely to be impacted by a file infector virus?

Honeypot

What type of system is intentionally exposed to attackers in an attempt to lure them out?

Internet Control Message Protocol (ICMP)

Yolanda would like to prevent attackers from using her network as a relay point for a smurf attack. What protocol should she block?

TRUE

a computer virus is an executable program that attaches to, or infects, other executable programs.