Auditor is asking for an AWS security audit policy — what actually goes in it?

From an auditor's perspective, it's pretty simple: the policy defines 'what should be done', the procedure explains 'how to do it', and evidence proves 'it was done'. They're asking for step one. In the doc, you state 'our company enforces hardware or software MFA across all AWS accounts', and then you provide an IAM dashboard export showing MFA status as evidence.

The first four things enterprise auditors look for in the document are: 1) How CloudTrail logs are protected against deletion. 2) Who accesses production environments and through what approval mechanism. 3) The maximum number of days within which security patches are applied. 4) A clause guaranteeing that former employees' AWS access is revoked on their offboarding date.

We went through a similar audit last quarter for a finance client with an 80,000 $ budget. We put together a clean 6-page policy document. After reading the policy, the auditor only asked for live proof of two things: the last login date of the Root account and the unauthorized login alarms set up in CloudWatch. If both check out, the process usually gets approved within 48 hours.

Don't bother writing one from scratch. Just search for the CIS AWS Foundations Benchmark online. Pull the control items from that benchmark into a Word doc and adapt them into your own company's internal rules. Slap your company name and a version number in the header sign it, and export as PDF.

The biggest trap here is downloading a ready-made 30-page enterprise template off the internet and copying it as is. If you state in the doc that 'vulnerability scans are run weekly' and you don't actually do it, your sales deal falls apart the second the auditor asks for evidence. Only document what you can actually do; keep it lean, but make sure it's real.

During our first enterprise audit, we wrote 'access keys are rotated every 90 days' into the policy. The auditor showed up, caught an API key in the console that had been active for 410 days, and instantly flagged us for non-compliance in the report. It delayed the deal by a month. So every single sentence you write must actually reflect what's in the console.

This is strictly a Word/PDF document, not technical code; you are simply stating your infrastructure rules and logging discipline in formal language.

It is essential that the drafted document aligns with the company's information security management processes. Including the policy's effective date, revision number, and senior management approval signature in the document is mandatory per auditing standards.

Let me summarize what's been said so far. Don't hesitate to ask; those who don't ask always pay more.

Any unwritten clause becomes a point of disagreement later, as both sides remember it differently. Good luck with that.

You're right. Any unwritten clause becomes a point of disagreement later, as both sides remember it differently.

This is my opinion, I'm not claiming it's absolute truth.

Thanks a lot, I'll try it today.

Thanks for writing this, that's the right way. If you scold false alarms, nobody will report again.

If I were you, I'd go this route.

I'll try it.

correct.

Exactly like that. Your time to detect an issue directly determines its cost.

I've been down this road, let me tell you. If it's your first time, start small; scaling comes later.

Hope this helps.

exactly and not many people know this but the aswer varies greatly by industry; there is no one-size-fits-all rule.

of course it varies if your situaation is different.