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Top Threat Modelling Methodologies

Top Threat Modelling is a methodology that provides the capture and analysis of real-time information about various complex and fast-evolving threats facing today's security environments. It is a process through which organizations develop and deploy an integrated approach to dealing with these threats. Three methods are considered to be the most popularly used in this regard. These include;

 

The first of the Top Threat Modelling methods is known as the data flow diagram method (DFMD). With this method, a data flow diagram is created. It helps in quickly identifying the relationships among various threats and their mitigation options. The data flow diagram also helps assign a priority to each hazard and the corresponding time required to counter them. This Top Threat Modelling method also helps in performing cost optimization.

 

Another Top Threat Modelling methodology is known as attack trees and is used to provide timely alerts and notifications whenever malicious codes are discovered. These alerts can be triggered through email, Instant Messages, or SMS. The data flow diagrams created using this method helps in the quick detection of the vulnerabilities. Such alerts aim to alert the users before any compromises are made and hence the need for data flow diagrams.

 

The third Top Threat Modelling methodology is known as Active Protection. In this method, the actual threat comes into view after an alert has been set off. The user is alerted through an IM or an Instant Message, and then an Active Protection Check List is generated. This list contains the common attack vectors, and the user is alerted accordingly. This type of Top Threat Modelling methodology is more suitable for enterprise environments because the entire infrastructure is expected to be under constant supervision and control.

 

The final threat modelling tool is known as the Content Protection System. It is a fairly simple system that watches the files and folders on the computer and detects any changes. If the changes are not allowed, then a message is sent to the user. The content protection system is a useful tool for all types of businesses because it effectively helps contain the damage caused by security threats. Many companies provide Content Protection Systems, but only a few can deliver them at the right pace.

 

To get the best results from the threat modelling process a good amount of time should be spent analysing the security threats in detail. Once the analysis is complete, the company can decide what actions should be carried out to deal with the vulnerabilities. There are many parameters used to evaluate security threats. Among the most commonly used parameters are:

  • Vulnerability assessment.
  • Identification of attack methods.
  • Rules for preventing attacks and rules for determining the response to security threats.
     

The selection of appropriate parameters is dependent on the business requirements.

 

The next step is the creation of the attack tree diagrams. The process involves creating the most appropriate chart for each type of threat. When the attack tree is generated, it is important to include the different types of attacks and their mitigation options. Once the diagram has been developed, it can be compared with the known parameters, and the right parameters for each type of threat can be selected.

 

Another important factor that must be considered while selecting a threat modelling methodology is the software's level of support. Most software vendors allow users to customize the settings for various security threats, and these are to be used by the developers. For developing customized threat models, the vendors also provide the infrastructure that can perform the risk modelling. Some of the security threats that threat modelling techniques can effectively control include spyware, adware, and viruses.

 

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