Bow-Tie diagrams are a very useful way to visualise the components of security risks and a fantastic way to understand the relative importance of different controls and mitigations. A bow-tie diagram uses the risk scenario under consideration as the ‘knot’ of the tie with two trees either side, the left-hand…
Category: Risk
Triage in Supply-Chain Cyber Risk Management
During my career, I have helped several firms design and operate supply chain cyber risk management (SCCRM) programmes. I have some ongoing concerns that I have posted about before about the industry focus on self-reported checklists of various quality. I also have some heightened concerns regarding the use of externally…
Security on the Bottom Line
I often hear calls for security to be treated as a business issue. This seems to vary from calls for the Board of Directors to take an increased interest in security to calls for CISOs to raise their gaze from the technology and consider the whole business. I have myself…
What is Likelihood?
In my previous post, I investigated the various definitions of Information Security Risk. Here I look at the first consideration for an information security risk analyst, how likely is the risk event to occur? What is it’s likelihood? Likelihood is commonly used in English as a synonym for probability, and…
What is Information Security Risk?
I am writing a series of posts describing Information Security Risk, from concepts to analysis and management. This is the first, what is Information Security Risk itself. Defining risk is a source of much debate from semantic to philosophical. What is clear is that risk refers to our uncertainty about…