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An organization provides information to its supply-chain
partners and customers through an extranet infrastructure.
Which of the following should be the GREATEST concern to an
IS auditor reviewing the firewall security architecture?
A. A secure socket layer (SSL) has been implemented for user
authentication and remote administration of the firewall.
B. On the basis of changing requirements, firewall policies
are updated.
C. Inbound traffic is blocked unless the traffic type and
connections have been specifically permitted.
D. The firewall is placed on top of the commercial operating
system with all installation options.
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Answer: D
The greatest concern when implementing firewalls on top of
commercial operating systems is the potential presence of
vulnerabilities that could undermine the security posture of
the firewall platform itself. In most circumstances when
commercial firewalls are breached, that breach is
facilitated by vulnerabilities in the underlying operating
system. Keeping all installation options available on the
system further increases the risks of vulnerabilities and
exploits. Using SSL for firewall administration (choice A)
is important, changes in user and supply chain partners'
roles and profiles will be dynamic and it is appropriate to
maintain the firewall policies daily (choice B), and it is a
prudent policy to block all inbound traffic unless permitted
(choice C).
| Is This Answer Correct ? | 2 Yes | 0 No |
The window of time recovery of information processing capabilities is based on the: A. criticality of the processes affected. B. quality of the data to be processed. C. nature of the disaster. D. applications that are mainframe based.
The MOST important responsibility of a data security officer in an organization is: A. recommending and monitoring data security policies. B. promoting security awareness within the organization. C. establishing procedures for IT security policies. D. administering physical and logical access controls.
When performing an audit of access rights, an IS auditor should be suspicious of which of the following if allocated to a computer operator? A. READ access to data B. DELETE access to transaction data files C. Logged READ/EXECUTE access to programs D. UPDATE access to job control language/script files
Confidential data stored on a laptop is BEST protected by: A. storage on optical disks. B. logon ID and password. C. data encryption. D. physical locks.
To reduce the possibility of losing data during processing, the FIRST point at which control totals should be implemented is: A. during data preparation. B. in transit to the computer. C. between related computer runs. D. during the return of the data to the user department.
Which of the following programs would a sound information security policy MOST likely include to handle suspected intrusions? A. Response B. Correction C. Detection D. Monitoring
The purpose of debugging programs is to: A. generate random data that can be used to test programs before implementing them. B. protect, during the programming phase, valid changes from being overwritten by other changes. C. define the program development and maintenance costs to be include in the feasibility study. D. ensure that program abnormal terminations and program coding flaws are detected and corrected.
When auditing a mainframe operating system, what would the IS auditor do to establish which control features are in operation? A. Examine the parameters used when the system was generated B. Discuss system parameter options with the vendor C. Evaluate the systems documentation and installation guide D. Consult the systems programmers
IS management has recently informed the IS auditor of its decision to disable certain referential integrity controls in the payroll system to provide users with a faster report generator. This will MOST likely increase the risk of: A. data entry by unauthorized users. B. a nonexistent employee being paid. C. an employee receiving an unauthorized raise. D. duplicate data entry by authorized users.
Which of the following network topologies yields the GREATEST redundancy in the event of the failure of one node? A. Mesh B. Star C. Ring D. Bus
An IS auditor is auditing the controls relating to employee termination. Which of the following is the MOST important aspect to be reviewed? A. The related company staff are notified about the termination B. User ID and passwords of the employee have been deleted C. The details of employee have been removed from active payroll files D. Company property provided to the employee has been returned
Which of the following is a threat? A. Lack of security B. Loss of goodwill C. Power outage D. Information services
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