A Type I report describes controls and assesses their design at a specific date. A Type II report additionally tests operating effectiveness across an observation period, usually six to twelve months.

Type II is substantially more demanding because it requires evidence that controls functioned continuously rather than existing on paper.

Alternative Names:

Type II Report, SOC 2 Type 2

Why it Matters?

The distinction is the one buyers most often miss. A Type I report shows a vendor designed controls, which a company can do in a week before an audit. Type II shows they actually operated. For any vendor handling privileged client material, Type II with a full twelve-month period is the reasonable expectation, and a Type I from a mature vendor warrants a question about why.

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Frequently asked questions

What is the difference between Type I and Type II?

What is the difference between Type I and Type II?

Type I assesses whether controls were suitably designed at a point in time. Type II tests whether they operated effectively across an observation period of six to twelve months.

How long should the observation period be?

How long should the observation period be?

Twelve months is the strongest signal. Shorter periods are common for first-time reports but warrant a question about coverage gaps.