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In what ways are these systems similar? There is a specific set of instructions on IDPS that tells it to detect and prevent an outside attack.
How does a false positive alarm differ from a false negative one? From a security perspective, which is least desirable? False positive alarm is when an IDPS reacts to a threat that did not happen while a false negative alarm is when an IDPS fails to react to an actual threat or attack. False positive is least desirable because it make the system administrator less sensitive and they might not respond to an actual threat.
A signature based IDPS is the one that is able to correspond to already established and databased threats. While the behavior based IDPS makes a decision about a threat based on a combination of instructions in its database.
What is a monitoring or SPAN port? What is it used for? It is a data port or a device that has the capability to capture and replicate from the switching device that it is attached to. It stores data for IDPS to analyze. List and describe the three control strategies proposed for IDPS control.
Three strategies are centralized, partially distributed and fully distributed IDPS controls.
What is a honeypot? How is it different from a honeynet? Honeypot are systems that are used to protect critical system. They function as decay systems and divert threats towards themselves from the critical systems.
A combination of honeypots can be called a honeynet.
How does a padded cell system differ from a honeypot? Padded cell system is an improved and more secure honeypot that cannot be easily broken by external threats.
What is network footprinting? What is network fingerprinting? How are they related? Fingerprinting is the next stage of footprinting in which the resources and addresses of the target organization are ascertained.
Why do many organizations ban port scanning activities on their internal networks? Port scanning could be done by attackers to prepare their attacks on the organizational networks.
Organizations ban port scanning because ISPs do not take responsibility for any attacks that are done via port scanning. Why would ISPs ban outbound port scanning by their customers? ISPs ban outbound port scanning because this may be done to prepare attacks which might cause legal difficulties for the ISP.
What is an open port? Why is it important to limit the number of open ports to only those that are absolutely essential? Open port is a TCP that accepts traffic provides different services at port address. Ports should not be left ill configured and only used when necessary. What is a vulnerability scanner?
How is it used to improve security? This is a form of a software application that is utilized to check and monitor network ports that are kept open for different services.Molecular Pathology: The Molecular Basis of Human Disease provides a current and comprehensive view of the molecular basis and mechanisms of human disease.
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