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Phishing Simulations and Social Engineering Defences

Awareness and training · 2 min read

Hacking the human

Social engineering levers: authority, urgency, trust, helpfulness, fear, curiosity.

Social engineering exploits human nature rather than technical flaws: authority (“this is the CEO”), urgency (“do it now”), trust (“your usual supplier”), helpfulness, fear and curiosity. Phishing, smishing (SMS), vishing (voice), pretexting, business email compromise and, increasingly, deepfake audio and video all use these levers.

Running simulations well

Agree rules, baseline, run campaigns, teach in the moment, measure and adapt.
  1. Agree the rules with HR, legal and, where relevant, works councils. No public shaming.
  2. Baseline: the first campaign shows the starting point.
  3. Run campaigns: realistic, varied, with increasing difficulty.
  4. Teach in the moment: a short lesson immediately after a click is the most effective learning.
  5. Measure and adapt: track report rate and click rate; give repeat clickers extra support.

Persistent, deliberate disregard of policy goes through the normal disciplinary process, but that’s rare.

Click rate vs report rate

  • Click rate shows how many fell for it. It varies with difficulty and can be gamed with easy tests.
  • Report rate shows how many told security, which is the sign of a working early-warning culture.
  • Time to first report shows how quickly the SOC hears about a real campaign.
  • Repeat clickers get extra coaching, not humiliation.

Layered defences

Awareness alone isn’t enough. Layer it:

LayerControls
TechnicalEmail filtering and sandboxing; DMARC, SPF and DKIM against spoofing; phishing-resistant MFA
ProcessCall-back on numbers already on file; dual approval for payments and bank-detail changes
PeopleAwareness, simulations, easy reporting

Example. An accounts clerk gets an urgent email from a known supplier’s real (hacked) mailbox asking to change bank details. Training made her suspicious, but the process stopped it: bank changes require a call-back to the number already on file, and the supplier confirms it’s fraud.

How the exam asks about it

If the question asks…The answer is usually…
Main purpose of phishing simulationsMeasure and improve user behaviour
Best indicator of a healthy reporting cultureA rising report rate and faster reports
Best control against business email compromiseIndependent verification and dual approval
Most effective control against social engineeringAwareness, backed by technical and process controls
Simulation results are used to shame staffWrong; it undermines reporting

In short

  • Social engineering exploits trust, authority, urgency, fear, helpfulness and curiosity rather than technical flaws.
  • Phishing simulations measure and improve how people respond; the report rate matters more than the click rate.
  • Run simulations with agreed rules (HR, legal), realistic content, immediate teaching and no public shaming.
  • Awareness is backed by technical controls (email filtering, DMARC, phishing-resistant MFA) and process controls (call-back verification, dual approval).
  • Business email compromise and deepfake impersonation are best stopped by verification procedures, not training alone.
  • Repeat clickers get extra support; persistent deliberate disregard goes through the normal disciplinary process.

Exam traps

  • Click rate alone is a misleading measure; report rate and speed show a healthy culture.
  • Simulations used to punish people destroy trust and reporting.
  • Calling the number in a suspicious email isn't independent verification.
  • Training can't be the only defence; layer technical and process controls.

Slides

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CISM · Domain 3 · Awareness and training

Phishing Simulations and Social Engineering Defences

How social engineering works on people, how to run phishing simulations that teach rather than shame, and the layered technical and process defences that back up awareness.

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