What Microsoft’s Latest Email Benchmark Proves About Defense-in-Depth

Let’s face it: inertia is often the most common yet most dangerous adversary when it comes to acquiring new technology, especially in cybersecurity.

There is still a persistent assumption across many organizations that email security architecture that worked three years ago is still good enough for today’s threat landscape. Even when security teams suspect gaps, the friction of evaluating, procuring and operationalizing new technology creates a massive organizational bottleneck.

Calculating the true total cost of ownership (TCO) and return on investment (ROI) has historically felt like an exercise in guesswork that often leaves executives, like the CFO, questioning whether the investment is worth it. Vendor claims are notoriously reliant on synthetic lab simulations or cherry-picked sample sizes that rarely survive in an organization’s live environment.

That reality is why Microsoft’s latest benchmark release is an inflection point for…