Pulse 17: Loss Exceedance for the SMB Leader cover art

Pulse 17: Loss Exceedance for the SMB Leader

Pulse 17: Loss Exceedance for the SMB Leader

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Microsoft disclosed an Exchange Server zero-day on May 14. A crafted email runs attacker code in your browser session, and it's being exploited right now.

Two of the most qualified bodies in the world scored its severity. One said Medium. One said High. Nearly two points apart on a ten-point scale.

The model that predicts exploitation gives it a 6.3% chance over 30 days. That's the 91st percentile of all known vulnerabilities.

Severity told two stories this week. Probability told a truer one for free.

How likely, and how much. Those are the questions severity was never built to answer.

Second episode of a six-week series on measurement. Last week was the gap. This week is the discipline that closes it.

Full edition: signal.echocyber.io

Take the Signal Score: echocyber.io/assessment

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