To wit, ‘tis well to know that perils do exist, yet little doth it avail thee if thou knowest not which threats be most pertinent to thy system. A risk analysis doth aid thee in prioritizing: what shouldst thou guard, what may go awry, and what ought thou to do thereupon?

What is a Risk Analysis?

A risk analysis is a systematic review wherein thou:

1. Dost discover what may go awry
2. Doth assess how likely ‘tis to occur
3. Doth consider how grievous the consequence be
4. Dost propose measures to diminish the peril

Thou needest not be a security expert to perform this. ‘Tis about thinking systematically.

Step by Step

Dersom du ønsker å sette opp en enkel server, er det noen steg du må følge. Først må du velge en passende maskinvareløsning. Dette kan være en dedikert server, en virtuell maskin, eller til og med en gammel datamaskin du har liggende. Deretter må du installere et operativsystem, som for eksempel Ubuntu Server eller CentOS. Når operativsystemet er på plass, kan du begynne å installere den programvaren du trenger for å kjøre serveren din, for eksempel en webserver (Apache eller Nginx) og en database (MySQL eller PostgreSQL). Til slutt må du konfigurere serveren slik at den er tilgjengelig fra internett, ved å sette opp port forwarding og eventuelt et domenenavn.

If thou dost desire to set up a simple server, there be certain steps thou must pursue. First, thou must choose a fitting hardware solution. This may be a dedicated server, a virtual machine, or even an old computer which doth lie idle. Thereafter, thou must install an operating system, such as Ubuntu Server or CentOS. When the operating system is in place, thou mayst begin to install the software thou requirest to run thy server, for example, a webserver (Apache or Nginx) and a database (MySQL or PostgreSQL). Lastly, thou must configure the server so that it is accessible from the internet, by setting up port forwarding and perchance a domain name.

Forberedelser

Før du begynner, sørg for at du har følgende:

• En datamaskin med internettilgang.
• Et operativsystem (Ubuntu Server anbefales).
• En SSH-klient (for eksempel PuTTY).
• Grunnleggende kunnskaper om kommandolinjen.

Preparations

Ere thou beginnest, ensure thou hast the following:

• A computer with internet access.
• An operating system (Ubuntu Server is recommended).
• An SSH client (such as PuTTY).
• Basic knowledge of the command line.

I. Estimation of Worth: What have we got?

Before thou canst protect ought, thou must know what it be that thou hast. Set down upon parchment thy most precious treasures within this realm:

2. Risk Identification: What May Befall?

Ponder upon what may threaten thy values:

3. Consider Likelihood and Consequence

For each peril, thou shalt assess two things upon a scale (e.g. 1-5):

• Likelihood: How likely is ‘t that this shall come to pass?
• Consequence: How grievous shall it be, should it so occur?

Risk Value = Likelihood × Consequence

The higher the risk value, the more priority shouldst thou give to the measures.

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1. **”Lav/Middels/Høy”: Translated using period-appropriate descriptors: low, medium/high. These align both literally AND figuratively within historical risk contexts where color coding was less formalized but still conceptually present.*

IV. Propose Remedies

Unto each peril that bears high or mid-level consequence, thou must propose remedies thusly:

5. Document and follow up

The analysis of risk is no single endeavor. Commit it to writing, share it amongst thy team, and review it with constancy (e.g., every half year or following an event).

Task 1 - Perform a Mini-Risk Analysis

Choose a system with which thou art familiar (e.g., thine own personal computer, a Virtual Machine thou hast set up, or the school’s network) and proceed through the steps:

1. List up 3-5 values (what doth matter?)
2. Find 3-5 risks (what may go awry?)
3. Assign each point a probability and consequence (1-5)
4. Propose measures for those with the highest risk value

Employ a spreadsheet or a simple table in Markdown.

Summary

• A hazard analysis doth aid thee in prioritizing safeguards.
• The steps be: valuation of worth, identification of peril, assessment of likelihood/consequence, measures taken, and documentation.
• Risk value = likelihood × consequence.
• Hazard analysis is not a task for once alone, ‘tis to be updated oft.

Thou mayest download a template for risk assessment at Datatilsynet.