Organisations without a dedicated security function often assume meaningful improvement requires significant investment. In practice, a handful of process changes address a large share of realistic risk.
Access review is the first. Most organisations grant access generously and revoke it inconsistently. A quarterly review of who has access to what, with removal of anything no longer needed, closes a common route of exposure.
Credential handling is the second. Shared passwords in messages or documents remain widespread. Moving credentials into a managed store and enabling multi-factor authentication on business-critical systems is inexpensive and immediately effective.
The third is having a written response process. Not an elaborate plan — a single page stating who is contacted, in what order, and what is done first. Incidents are handled far better when nobody has to invent the process while under pressure.
None of these require specialist tooling. They require someone to own them and a scheduled point at which they are checked.
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