... city The operator looks up the CO where the second person is located and contacts the operator at that CO Once the second operator is called the connection is patched through to the second CO The ... they would contact the operator atthe central office and tell them the name of the person they wanted to talk to The operator would then connect the caller’s plug to the plug of the person being ... device that carries the communication from the source to the destination The receiver is the device that receives the communication Without these three elements there is no communication Basic...
... information: - The IP address of the originating computer - The port number that the application used on the originating computer - The IP address of the destination computer - The port number of the ... Layer then sends the packet to the Transport Layer The Transport Layer takes the packet and adds a header to it The header has all the information that the Transport Layer on the other side of the ... Translation (NAT) to translate between the two When a computer on a private network needs to connect to the outside, it connects to the Internet gateway of the organization’s network The gateway then...
... REVISING: THEBIGPICTURE Support That’s Directly Related to the Thesis As important as the amount of support is its relevance to the thesis What good are ten supporting paragraphs if they’re ... revise her thesis to eliminate the idea that silent lies are “more devastating” than regular lies? Choosing the latter, she revised her thesis once more and created the following thesis statement: ... paragraph together by stating the idea that they all relate to If you can’t locate a topic sentence, should the main idea be stated in one, instead of implied by your examples? If there is a topic sentence,...
... address, the application that sent the packet, or even the packet’s relationship to other similar packets It then matches the packet against that list of rules If the packet is “permitted” based on the ... involved in an attack One of the Agents is tagged as the Handler It is the Handler’s responsibility to coordinate the attack on behalf of the Attacker When the Attacker is ready to launch the attack, ... strengthen the attack The attack seems to be coming from everywhere at once, and since there is no authentication on TCP/IP connections, there is no way to tell the real origin of the attack...
... certificate Without knowing what algorithm was used to sign the certificate there is no way of verifying the signature A certificate also contains validation dates These are the dates that the certificate ... to the Company B person that the certificate is legitimate Certificate Issues • Certificate chaining • Certificate revocation • The Public Key Infrastructure Information Security: TheBigPicture ... information contained in an X.509 certificate is the digital signature of the Certificate Authority that has issued and certified the certificate Without these three vital pieces of information, the...
... address, the application that sent the packet, or even the packet’s relationship to other similar packets It then matches the packet against that list of rules If the packet is “permitted” based on the ... involved in an attack One of the Agents is tagged as the Handler It is the Handler’s responsibility to coordinate the attack on behalf of the Attacker When the Attacker is ready to launch the attack, ... strengthen the attack The attack seems to be coming from everywhere at once, and since there is no authentication on TCP/IP connections, there is no way to tell the real origin of the attack...
... certificate Without knowing what algorithm was used to sign the certificate there is no way of verifying the signature A certificate also contains validation dates These are the dates that the certificate ... to the Company B person that the certificate is legitimate Certificate Issues • Certificate chaining • Certificate revocation • The Public Key Infrastructure Information Security: TheBigPicture ... information contained in an X.509 certificate is the digital signature of the Certificate Authority that has issued and certified the certificate Without these three vital pieces of information, the...
... advising them of the risk and potential loss and also that there potential countermeasures, with a recommendation that the organization invest the time to further evaluate the solutions 33 Threat Assessment ... uncomfortable with that information The more specific and clear that information is, the more they squirm The idea is to take an inventory of the data sources that you have available and see if these already ... EXPLANATIONS" how the risk is mitigated by other means In the absence of indications to the contrary, the Information System is operating at an acceptable risk (accreditable) when all of the leftmost...
... to get to the raw data to verify or report the detect This is the more detailed log file Notice the rule that found the detect is displayed atthe top Then summary information about the packet ... incidents.org, while they have their own customers that submit raw data, they correlate this with data from other CIRTs One or two attackers determined to confuse thepicture could spoof the source addresses ... function What about detect? It turns out that some personal firewalls have the capability to more than just detect attacks, they can log the attack, which allows the analyst to study the attributes...
... the organization to discover the method and motives of the attacker Since the attacker believes that they are attacking a production system, they will open up their bag of tricks and reveal their ... State In State it offers “Password” and if the password matches the list with root or guest spelled backwards, the system “logs them in” and gives them a prompt We move to State Here we are looking ... system They are very bold and free with what they The honeypots deployed by Lance illustrate just how effective this is, because the attackers assume no one can monitor them If there were another...
... can show them the organization was in a measurable degree of risk they will be uncomfortable with that information The more specific and clear that information is, the more they squirm The idea ... advising them of the risk and potential loss and of their potential countermeasures, with a recommendation that the organization invest the time to further evaluate the solutions - 28 Threat Assessment ... than the example that we looked at with the Mitnick attack Therefore we will disable this On the next slide you see the Local Security Policy after rebooting - 16 Risk Management: TheBig Picture...
... certificate Without knowing what algorithm was used to sign the certificate there is no way of verifying the signature A certificate also contains validation dates These are the dates that the certificate ... to the Company B person that the certificate is legitimate Certificate Issues • Certificate chaining • Certificate revocation • The Public Key Infrastructure Information Security: TheBigPicture ... information contained in an X.509 certificate is the digital signature of the Certificate Authority that has issued and certified the certificate Without these three vital pieces of information, the...