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The Security Risk Management Aide-Memoire (SRMAM) is a short book based on the Security Risk Management Body of Knowledge (SRMBOK) with additional material, new research, and changes to reflect the 2018 ISO31000 Risk Management Standard update. You can read most of the chapters in the blog articles below, plus new material that will form the basis for a second edition in the coming years.
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How to Structure a Security Briefing
Security Briefings The five paragraph order technique, also known as SMEAC, is a technique used by many military agencies to deliver a...
jt
Jul 6, 20201 min read
6,149 views
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What is Expected Monetary Value?
While it is difficult to precisely quantify all loss events, even after they occur (e.g. the event’s impact on your brand), many risks...
jt
Jun 29, 20201 min read
155 views
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Where to Start with Risk Analysis? Inputs
Inputs to aid risk analysis can include the elements listed below. Note: The grouping (input, process, output, feedback) is purely...
jt
Jun 22, 20201 min read
59 views
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How Should You Structure Likelihood and Consequence Tables?
There is no single correct way to express likelihood or consequence tables. Each organization needs to consider their context and develop...
jt
Jun 15, 20201 min read
481 views
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Probability and Modelling Risk Expectancy
Probability of an Event One of the challenges with Security Risk Assessment is the analysis of rare but catastrophic events. Events for...
jt
Jun 8, 20203 min read
83 views
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What is the Stroud Matrix?
The objective of this tool is to aid discussion and provide an initial categorization of risks into four groups: BUSINESS AS USUAL (BAU):...
jt
Jun 1, 20201 min read
275 views
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What are Risk Matrices, and Should I Use Them?
Risk matrices are commonly used in many risk management practices. There are a number of issues with risk matrices and overall, I would...
Julian Talbot
May 25, 20203 min read
2,316 views
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How Do You Estimate Risk?
Risk is an abstract concept and humans are notoriously bad at predicting it.¹ A 1%chance of an event occurring does not mean that it...
jt
May 18, 20202 min read
67 views
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How Can We Effectively Use Our Risk Management Findings and Recommendations?
When conducting a security risk assessment, it is important to document some of the key findings as evidence to support the risk register...
jt
May 11, 20202 min read
39 views
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What is the Analysis of Competing Hypotheses?
Analysis of competing hypotheses¹ (ACH) is a process whereby you identify a set of hypotheses, systematically evaluate data that is...
jt
May 4, 20201 min read
8,517 views
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Are Existing Security Management Systems Good Enough?
Adequacy of Existing Controls The ‘adequacy’ score is intended to provide an insight into the operational effectiveness of existing...
jt
Apr 27, 20202 min read
1,312 views
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What is the Admiralty Scale?
The Admiralty System or NATO System is a method for evaluating collected items of intelligence. It consists of a two-character notation,...
jt
Apr 20, 20202 min read
10,997 views
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What Is Enterprise and Security Risk Management?
Enterprise security risk management (ESRM) includes the methods and processes to manage security risks and realize opportunities related...
jt
Apr 13, 20202 min read
96 views
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What Is the ISO31000 Process?
ISO31000 Process The key stages of the security risk management process (as per ISO31000:2018) are: Scope, Context, and Criteria Risk...
jt
Mar 30, 20201 min read
327 views
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How Do Intent and Capability Relate to Assessing Threat?
Intent & Capability Threat can be evaluated as a combination of Intent & Capability. Intent and Capability both comprise other elements...
jt
Mar 16, 20202 min read
5,706 views
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What are Threat Acts and Threat Tolerance?
Threat tolerance can be a very subjective thing but there are some ways to make it more consistent.
Julian Talbot
Mar 9, 20201 min read
96 views
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What Are Threat Actors?
A threat actor is a participant in an action or process. But what is the difference between a hazard and a threat?
Julian Talbot
Mar 2, 20201 min read
101 views
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How to Compile a Security Risk Assessment?
SRA and ISO31000 There are many ways to conduct a Security Risk Assessment (SRA). The graphics below are adapted from ISO31000:2018 Risk...
jt
Feb 24, 20201 min read
175 views
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How Should We Treat Risks? The Hierarchy of Controls
The hierarchy of controls is based on the concept that not all risk treatments are equally effective. For example a handrail at the top...
Julian Talbot
Feb 17, 20201 min read
237 views
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What are Risk Criteria, Scope and Risk Tolerance?
How to set risk criteria, scope and tolerances without all the jargon.
Julian Talbot
Feb 10, 20201 min read
4,737 views
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