What Is Phishing Simulation? A Practical Guide for Security and Compliance Leaders

A phishing simulation is a controlled exercise in which your organization sends realistic but harmless fake phishing messages to its own employees. No real attacker is involved, no real credentials are stolen, and no malware is delivered. The goal is to measure how people respond to a deceptive message under normal working conditions, then use that measurement to guide training.

Each simulated message carries hidden tracking so the program can record what happened: who opened it, who clicked the link, who entered credentials on the fake landing page, and who reported the message as suspicious. These signals turn a vague worry (are our people vulnerable?) into specific, defensible data you can act on.

Modern simulation goes beyond email. The same principle applies to voice calls (vishing) and messaging apps such as WhatsApp, which matters in Indonesia where business communication on WhatsApp is widespread.

First, you design or select a template that mimics a plausible lure, for example a fake IT password reset, a delivery notice, a payroll update, or a message that appears to come from a bank or government body. Good platforms ship localized templates so the language and context feel native to your workforce.

Second, you choose your audience and schedule. You can target the whole organization or a specific department, then spread delivery over a send window with jitter so the campaign does not arrive as one obvious burst. The system substitutes each recipient's details and injects tracking links unique to that person.

Third, you observe outcomes in real time and follow up. The platform tabulates opens, clicks, and submissions, but the most valuable signal is the report rate: the percentage of people who actively flagged the message. The follow-up is where behavior change happens, which is the focus of the next section.

Phishing remains one of the most common entry points for real-world breaches, and people, not firewalls, are the target. Simulation reduces risk because it does two things a policy document cannot: it gives you a true baseline of susceptibility, and it creates a teachable moment at the exact instant someone falls for a lure.

The mechanism that drives improvement is just-in-time awareness. When an employee clicks a simulated link, the most effective programs immediately show a short, encouraging explanation of the red flags they missed, rather than a punitive warning. Pairing that moment with a brief follow-up micro-module is what moves the needle over time.

Be honest about the limits. A simulation that only tracks click rates and shames people will damage trust and teach employees to ignore internal mail. Click rate alone is a weak metric, it can be gamed by sending easy lures. Measure reporting rate and repeat-clicker reduction, and frame the program as building capability, not catching people out.

Start with a baseline campaign before any training, so you can prove improvement later. Then run a regular cadence, typically monthly or every six weeks, gradually increasing difficulty as your workforce matures. Vary the themes so people cannot pattern-match on a single template.

Tie every simulation to learning. Anyone who clicks should receive immediate just-in-time awareness plus an assigned micro-module, and you should track completion. Reward the people who report, because a high reporting culture is your real early-warning system against genuine attacks.

Treat results as a risk-management input, not a scoreboard. Segment by department and role to find where the residual risk concentrates, track most-improved groups to reinforce progress, and review trends with leadership using clear, defensible numbers rather than anecdotes.

For regulated organizations in Indonesia, simulation supports your wider security and awareness obligations. OJK, through POJK 11/2022 on the implementation of information technology by commercial banks, expects banks to manage information security risk, which includes addressing the human factor through awareness activity. Maintaining records of your simulation and training program helps evidence that effort.

Indonesia's Personal Data Protection Law, UU No. 27 of 2022 (UU PDP), requires data controllers to protect personal data and apply appropriate organizational and technical measures. A documented awareness program that demonstrably reduces susceptibility to phishing is a reasonable organizational measure that supports this duty.

BSSN, the national cyber and crypto agency, promotes national cybersecurity capability and awareness. Treat these frameworks as reinforcing each other: keep clear records of campaigns, completion, and improvement over time, and avoid overclaiming that any single tool guarantees compliance. The evidence trail is what stands up to a regulator or auditor.

Claro runs phishing, vishing, and WhatsApp simulations alongside micro-module training, just-in-time awareness, risk scoring, and phish reporting in one platform, fully bilingual in English and Bahasa Indonesia.

It is built for Indonesian regulated industries and supports compliance reporting aligned to OJK, UU PDP, BSSN, and ISO 27001, with on-premise deployment available for organizations that require data to stay inside their own environment.

The emphasis is behavior change over compliance theater: measure real susceptibility, teach at the teachable moment, reward reporting, and produce evidence your auditors and regulators can trust.