Threat Modelling: An Overview

Threat Modelling: An Overview

Threat modelling is a risk-based approach to designing secure systems. It is based on identifying threats in order to develop mitigation to them. A secure architecture has become the need of the hour for almost everyone. As a result, no one needs any vulnerabilities in their clusters. But is it wise to ad

A secure architecture has become the need of the hour for almost everyone. As a result, no one needs any vulnerabilities in their clusters. But is it wise to add security after a mishap has occurred? What if we can identify potential risks at the time of development itself? This is exactly where Threat Modelling fits almost perfectly while helping organisations excel in creating more secure products.

Threat modelling is a risk-based approach to designing secure systems. It is based on identifying threats in order to develop mitigation to them. Because of cyber security risk increasing and enterprises becoming more aware of their liabilities, software development teams need effective ways to build security into software.

Benefits of Threat Modelling

The benefits of a secure environment are numerous thus making the number of benefits for threat modelling increase as well. Although these vary with respect to use cases and other factors, we can find the following listed almost in every situation:

  • Helps in designing more secure products by identifying threats early in the development cycle while giving an insight to the risks
  • Helps in formal security documentation and review of security architecture. As a result, provides team wide knowledge sharing.
  • Enables focused security testing while in development phase only.
  • Simplifies certifications and helps implement common security design and best practices because of which the application becomes more hardened.

Breaking Down Your Problems

Start from the technology

The first focus should always be technical threats rather than broader threats. Broader threats include hacker groups, bad actors, human errors, epidemics and many more. As a result, these kind of threats are uncertain and unpredictable.

Technical threats are much finer and are likely to be weakness in software, missing security controls, or something like authorisation issues. These emerge from the architecture of our systems and as a result, the data flow. Also, multiple technical threats combine to cause a broad threat.

Take Collaborative Approach

The second essential thing is to take a team based approach. Looking for cracks in a system is not an easy task, and a diverse team perspective will have wider inputs. As a result we will be having better decision making ability. No matter what is being done, there is always going to be one or more security vulnerability to find out. While knowing the architecture always helps, a large set of eyes will always have more chances of finding those vulnerabilities.

Threat modelling also has a great part for product owners. Expecting the developers to find all the vulnerabilities in a product is too much to ask them because they lack the insights of user behaviour and business context that the product owner have. They are always going to have inputs about impact of data loss on the customers and services.

devops scala security

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