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CPD · Telecommunications and IT

Responding to a security alert

Following the steps from alert to closure.

about this course

What you will be able to do

L5 SpecialistAbout 4 hours (240 minutes) of CPDSelf-study plus role-playTelecommunications and IT

Following the steps from alert to closure.

  • Classify an alert, given 8 samples, with at least 7 correct.
  • Contain an incident, given a lab scenario, by following the written steps in order.
  • Record actions, given a log template, with time, action and person.
  • Review an incident, given a report, naming two lessons.

Task, condition and standard

Task

Classify and triage alerts by severity, follow the playbook steps in order, contain an incident without destroying evidence, and write a one-page report

Condition

Given five sample alerts, a written playbook, a lab scenario and a log template, in a 4-hour lab session on test systems only

Standard

Triage alerts correctly by data affected and spread, isolate the device before recovery, preserve evidence, tell the incident lead at the right step, and write a report with time, impact, actions and next step

These courses teach process, communication and recording. They give no clinical, legal, tax, financial or engineering sign-off. A named subject expert must review every line, and you must check your own professional body's current CPD rules, before you rely on a certificate.

sessions

8 modules

Module 1 What an alert is 20 min
  • An alert is a warning that something may be wrong.
  • An incident is an alert that has been confirmed.
  • Read what evidence the alert gives.
Worked example. Five sample alerts; after checking, 1 is a confirmed incident (a ransomware note on a server, saying its files are locked) and 4 are not. An alert is a warning; an incident is confirmed harm or risk.

Practise: Practise with a case card or template for "what an alert is": classify an alert, given 8 samples, with at least 7 correct.

Standard to meet. Describe what an alert is and what evidence it gives, given sample alerts, and say how an alert differs from a confirmed incident.

Module 2 Triage by severity 45 min
  • Severity depends on the data affected and the spread.
  • High, Medium or Low, with a reason.
  • Handle High first.
Worked example. A1 ransomware note on a server: High. A2 25 failed logins in 10 minutes from one address: Medium. A3 one blocked spam: Low. A4 one known virus removed by scanner: Low. A5 unknown device on guest network: Medium. Total 1 High, 2 Medium, 2 Low.

Practise: Practise with a case card or template for "triage by severity": contain an incident, given a lab scenario, by following the written steps in order.

Standard to meet. Triage five sample alerts by severity, based on the data affected and its spread, such as High for a ransomware note, Medium for repeated failed logins and Low for a blocked spam.

Module 3 The playbook steps in order 45 min
  • Six steps in order: identify, contain, preserve evidence, escalate, recover, report.
  • Contain before recover.
  • Tell the incident lead at the escalate step.
Worked example. Playbook run for A1: 1 identify the note, 2 isolate the server, 3 preserve evidence, 4 tell the incident lead, 5 recover from backup, 6 write the report.

Practise: Practise with a case card or template for "the playbook steps in order": record actions, given a log template, with time, action and person.

Standard to meet. Apply the playbook steps in order, given a written playbook, identify, contain, preserve evidence, escalate, recover and report, telling the incident lead at the right step.

Module 4 Containment practice 40 min
  • Isolate the device from the network.
  • Leave it powered on and do not delete anything.
  • Write down the time of each action.
Worked example. Lab server S1: network port disabled at 02:22, power left on, screenshot of the note saved, no files deleted. Isolation took 7 minutes after the 02:15 alert.

Practise: Practise with a case card or template for "containment practice": review an incident, given a report, naming two lessons.

Standard to meet. Apply containment to an incident in a lab scenario, such as a laptop sending data at night, by isolating the device before recovery and without deleting evidence.

Module 5 One-page report 35 min
  • One page: time, what happened, impact, actions, next step.
  • Facts only, in plain words.
  • Close the incident after recovery and review.
Worked example. Report: 02:15 note found on S1; 02:22 S1 isolated; 02:30 incident lead told; impact 1 server and 3 shared folders; next step restore from the 01:00 backup after review.

Practise: Practise with a case card or template for "one-page report": review an incident, given a report, naming two lessons. Use a new case this time (round 2).

Standard to meet. Write a one-page report, given a log template, with time, what happened, impact, actions taken and next step, and close the incident after recovery and review.

Module 6 Assessment 35 min
  • Run the whole response on a new scenario.
  • Check each step against the playbook.
  • Finish with a clear report.
Worked example. New scenario with 5 alerts: pass needs 5 of 5 triaged, 6 of 6 steps in order, the device isolated before recovery, evidence kept, and a report with all 5 fields.

Practise: Practise with a case card or template for "assessment": review an incident, given a report, naming two lessons. Use a new case this time (round 2).

Standard to meet. Complete a full response to a new scenario, with alerts triaged, steps followed in order, containment done and a clear report written.

Module 7 Second worked case: a laptop sending data at 3 am 10 min
  • Triage first: data leaving the building is High.
  • Isolate the laptop and keep it powered on.
  • Report the times and the amount of data.
Worked example. Case card 2: alert at 03:02, laptop L-14 sends 1.8 GB to an unknown address in 40 minutes. Triage High. Isolated 03:10, 8 minutes later. Evidence kept; incident lead told at 03:15.

Practise: Practise with a case card or template for "second worked case: a laptop sending data at 3 am": review an incident, given a report, naming two lessons. Use a new case this time (round 2).

Standard to meet. Triage and contain a laptop that sends data to an unknown address, isolate it before recovery, keep the evidence, and report the times and impact.

Module 8 Teach-back and peer check 10 min
  • Put the six playbook steps in order from memory.
  • Explain why contain comes before recover.
  • Check a partner's order against the playbook.
Worked example. Pairs of 2: partner shuffles six step cards and you order them in 2 minutes. Target: 6 of 6 steps in the correct order and one clear reason for contain before recover.

Practise: Practise with a case card or template for "teach-back and peer check": review an incident, given a report, naming two lessons. Use a new case this time (round 2).

Standard to meet. Evaluate a partner's playbook order against the written steps, find any step out of place, and explain why containment comes before recovery.

practice

Worked example and case cards

Worked example triage

High: ransomware note on a server; Medium: failed logins from one address; Low: one blocked spam. Playbook order: identify, contain (isolate the device), preserve evidence, escalate, recover, report.

Case card

five alerts.

Case card 2

A staff laptop sends data to an unknown address at 3 am. Learners triage, contain, and report.

checks

10 check questions with model answers

Contain before what?

Model answer: Before recovery, to stop spread. (Covered in module 3: The playbook steps in order. To pass that module: Apply the playbook steps in order, given a written playbook, identify, contain, preserve evidence, escalate, recover and report, telling the incident lead at the right step.)

Who do you tell?

Model answer: Your incident lead per the playbook. (Covered in module 3: The playbook steps in order. To pass that module: Apply the playbook steps in order, given a written playbook, identify, contain, preserve evidence, escalate, recover and report, telling the incident lead at the right step.)

Should you wipe a device at once?

Model answer: No; preserve evidence first. (Covered in module 4: Containment practice. To pass that module: Apply containment to an incident in a lab scenario, such as a laptop sending data at night, by isolating the device before recovery and without deleting evidence.)

What goes in the report?

Model answer: Time, what happened, impact, actions, next step. (Covered in module 5: One-page report. To pass that module: Write a one-page report, given a log template, with time, what happened, impact, actions taken and next step, and close the incident after recovery and review.)

First step?

Model answer: Confirm and contain; do not delete evidence. (Covered in module 4: Containment practice. To pass that module: Apply containment to an incident in a lab scenario, such as a laptop sending data at night, by isolating the device before recovery and without deleting evidence.)

Who is told?

Model answer: The incident lead per playbook. (Covered in module 3: The playbook steps in order. To pass that module: Apply the playbook steps in order, given a written playbook, identify, contain, preserve evidence, escalate, recover and report, telling the incident lead at the right step.)

Severity based on what?

Model answer: Data affected and spread. (Covered in module 2: Triage by severity. To pass that module: Triage five sample alerts by severity, based on the data affected and its spread, such as High for a ransomware note, Medium for repeated failed logins and Low for a blocked spam.)

What goes in the report?

Model answer: Time, what happened, action, next step. (Covered in module 5: One-page report. To pass that module: Write a one-page report, given a log template, with time, what happened, impact, actions taken and next step, and close the incident after recovery and review.)

When close?

Model answer: After recovery and review. (Covered in module 5: One-page report. To pass that module: Write a one-page report, given a log template, with time, what happened, impact, actions taken and next step, and close the incident after recovery and review.)

Two alerts arrive: 25 failed logins from one address and a ransomware note on a server. Which is handled first and why?

Model answer: The ransomware note: High severity because data is affected and can spread; log the failed logins as Medium and handle them next. (Covered in module 2: Triage by severity. To pass that module: Triage five sample alerts by severity, based on the data affected and its spread, such as High for a ransomware note, Medium for repeated failed logins and Low for a blocked spam.)

glossary

Words used in this course

alert, triage, containment, playbook, evidence.

marking

How the practice and assessment are marked

LevelMeaningMarks of 4
SecureMeets the standard in the outcome every time, no prompts4
MeetingMeets the standard with one small slip, corrected when prompted3
DevelopingMeets part of the standard; needs a re-attempt2
Not yetStandard not met1

Pass = average 3 or more, and no outcome at 1. You may re-attempt after feedback. The subject expert sets any stricter pass mark.

where next

Ladder L1 to L7, slide by slide with notes

  1. Slide 1: L1 Basic: What a security alert is. Speaker note: An alert is a warning from a system that something may be wrong. At this first step the learner can say what an alert looks like and why it must be told to the right person quickly.
  2. Slide 2: L2 Awareness: Alert or incident. Speaker note: The learner can tell a warning from a confirmed incident and name examples such as a ransomware note, repeated failed logins and blocked spam. They know there is a written playbook and an incident lead.
  3. Slide 3: L3 Foundation: Sort and follow steps. Speaker note: The learner can sort sample alerts into High, Medium and Low with prompts and name the six playbook steps. They follow the worked example where the infected device is isolated before recovery.
  4. Slide 4: L4 Practitioner: Respond from alert to report. Speaker note: This course sits here. The learner triages five alerts, follows the playbook in order, contains a lab incident without deleting evidence, tells the lead at the right step and writes a one-page report.
  5. Slide 5: L5 Specialist: Several alerts at once. Speaker note: The specialist handles overlapping alerts, partial information and out-of-hours events. They keep a timeline, change priorities as facts arrive, and say plainly what is confirmed and what is not.
  6. Slide 6: L6 Advanced: Review and improve. Speaker note: The advanced practitioner reviews past reports, finds slow steps and unclear wording, runs practice scenarios for colleagues and proposes changes to the playbook after each review.
  7. Slide 7: L7 Super expert: Run the response process. Speaker note: The super expert owns the playbook, severity rules and report standard. They test the process with exercises, brief managers on trends, and mentor others to respond calmly and keep evidence safe.

This course sits at L5 Specialist. Credits stack; aligned with, not accredited by, any framework.

jobs this leads to

Where this takes you

  • Security operations trainee
  • IT support analyst
  • Helpdesk technician
  • Junior security analyst
  • Systems administrator

assessment and certificate

How you are checked

Each outcome is checked against its standard with a checklist or a short test. A digital CPD record shows the hours. Keep evidence in My page. Aligned with common CPD practice; not accredited. Learners check their own body's rules.

ten locations and global

Your place

Use your own body's forms, units and currency. Local professional bodies set the rules for CPD hours; check them first.

India (Bengaluru)

Language: English, Hindi, Kannada. Personal data: Digital Personal Data Protection Act 2023. Credit and levels: National Skills Qualifications Framework (NSQF) and the national credit framework.

Netherlands (Eindhoven area)

Language: Dutch, English. Personal data: EU GDPR (Dutch: AVG), supervised by the Autoriteit Persoonsgegevens. Credit and levels: the Dutch qualification framework (NLQF) linked to the European Qualifications Framework.

UAE (Dubai and Abu Dhabi)

Language: Arabic, English. Personal data: Federal Decree-Law No. 45 of 2021 (personal data protection). Credit and levels: the emirate education and training regulators (for example KHDA in Dubai) and the national qualifications framework.

Brazil (Sao Paulo)

Language: Portuguese (Spanish and English support). Personal data: LGPD (Lei Geral de Protecao de Dados). Credit and levels: the national technical-education catalogue and the national S-system training bodies.

Canada (Toronto)

Language: English, French. Personal data: PIPEDA, with provincial rules where they apply. Credit and levels: the provincial colleges framework and the national credential-recognition guidance.

United States

Language: English, Spanish. Personal data: state privacy laws (for example California), and COPPA for children under 13. Credit and levels: state and community-college credit systems.

Singapore

Language: English, Mandarin, Malay, Tamil. Personal data: Personal Data Protection Act (PDPA). Credit and levels: the Singapore national skills frameworks and the national credit system.

Australia

Language: English. Personal data: the Privacy Act 1988 and the Australian Privacy Principles. Credit and levels: the Australian Qualifications Framework (AQF) levels.

Hong Kong (Eastern Asia)

Language: Chinese (Cantonese, Mandarin), English. Personal data: the Personal Data (Privacy) Ordinance. Credit and levels: the Hong Kong Qualifications Framework.

Georgia and Israel (Western Asia)

Language: Georgian, Hebrew, Arabic, English. Personal data: the personal data law of the country where the learner lives. Credit and levels: the national qualifications framework of that country.

Cayman Islands (Caribbean)

Language: English. Personal data: the Data Protection Act. Credit and levels: the local education and training framework.

Mexico

Language: Spanish, English. Personal data: the federal law on personal data held by private parties. Credit and levels: the national competency certification system and the education ministry levels.

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