Culture is the set of shared beliefs, habits and unwritten rules that shape how people actually behave at work. It matters to security because most controls depend on people: they must report suspicious emails, follow change procedures, lock screens and refuse to share passwords. A strong written policy that clashes with culture will be bypassed quietly, while a modest policy that fits the culture can be followed well. For the information security manager, culture is not a soft extra; it decides how much of the program actually operates as designed.
Security culture has several visible signs. Do people report mistakes and incidents quickly, or hide them for fear of blame? Do leaders follow the same rules as everyone else? Is security seen as a partner that helps the business get things done, or as the department of 'no'? Are security requirements considered early in projects, or added at the end? How many exceptions are requested, and why? These signs tell you where controls are likely to erode and where your program can rely on people doing the right thing without supervision.
You can assess culture in a structured way. Useful sources include short anonymous surveys about attitudes and pressures, interviews with team leads, the number and speed of incident reports, phishing simulation results over time, exception and policy-violation trends, and audit findings that show workarounds. Look for patterns by business unit rather than a single company-wide score, because culture differs between a regulated finance team and a fast-moving product group. Measure again after changes, so you know whether an intervention helped.
Culture is shaped mostly from the top. When executives visibly support security, use multifactor authentication (MFA) themselves, fund training and ask about risk in business meetings, employees take it seriously. When they grant themselves exceptions, employees conclude that security is optional. That is why CISM places so much weight on senior management commitment, often described as the tone at the top. Middle managers matter too: they translate priorities into daily pressure, and a manager who rewards speed at any cost will undo a year of awareness training.
An information security manager influences culture by understanding it first. Before rolling out a new control, learn how work gets done, which teams feel the most friction and why people take shortcuts. Then design controls that meet the control objective with the least disruption, explain the reason behind rules, recognize good behavior, and make reporting easy and blame-free. Security champions, volunteers in each team who receive extra training and act as a link to the security function, spread good habits faster than central announcements. Awareness programs are one tool, but lasting change also comes from process design and leadership example. Culture also differs between regions, so adapt communication and implementation while keeping the control objective the same.
Consider a worked example. A software company requires code review for every change, but developers routinely approve their own pull requests under deadline pressure. A survey shows they see review as a bottleneck, not a safeguard. Instead of adding penalties, the security manager works with engineering leads to add a second-reviewer rotation, automated checks that block self-approval, and a short explanation of two past incidents that review would have caught. The chief technology officer (CTO) publicly follows the same rule. Self-approvals drop sharply within a month, and review time falls because the rotation spreads the load.
Common mistakes: responding to widespread non-compliance with more monitoring and punishment before finding the cause; assuming an annual awareness module changes culture on its own; measuring culture only by training completion rates; and designing one control for the whole organization without checking how different units work. Another trap is treating culture as fixed. It changes, slowly, through consistent leadership behavior, practical processes and recognition of good choices.
On the exam, a question that describes a policy people ignore, a control that is routinely bypassed or incidents that are hidden is usually testing culture. Clue words such as 'employees routinely work around', 'reluctant to report' or 'security is seen as an obstacle' point to answers about understanding the cause, involving leadership, redesigning the control to fit the business or building a blame-free reporting culture. Answers that jump straight to disciplinary action, more logging or a new technical product are usually distractors.
Key terms
- Security culture
- The shared attitudes and habits that determine whether people behave securely when no one is checking.
- Tone at the top
- The example and priorities set by senior leaders, which strongly shape employee behavior.
- Blame-free reporting
- A practice where people can report mistakes and incidents without fear of punishment, so problems surface early.
- Security champion
- A volunteer in a business or technical team who receives extra training and promotes secure practices locally.
- Workaround
- An unofficial way of getting work done that bypasses a control, often a sign the control does not fit how work happens.
- Culture assessment
- A structured review of attitudes and behavior, using surveys, interviews and metrics, to find where controls may erode.
A bank's branch staff keep sharing a single login to the teller system because each new login takes several minutes. Punishing staff would not fix the cause. The security manager works with operations to introduce badge-tap sign-in, the regional director explains the fraud risk at staff meetings, and a champion in each branch collects feedback. Shared logins fall to almost zero within a quarter.
Check yourself
Why can a technically sound policy still fail?
If it clashes with the organization's culture or lacks visible leadership support, people will work around it.
What is the most powerful influence on security culture?
Senior management's visible commitment and example, often called the tone at the top.
Staff hide minor security mistakes. What should the manager encourage?
A blame-free reporting culture, so mistakes are reported early and can be contained and learned from.
What should a manager do before rolling out a control likely to cause friction?
Understand how the affected teams work and why they might take shortcuts, then design the control to meet its objective with the least disruption.