Scalyr and SentinelOne
This story is available exclusively to Insider subscribers.
Become an Insider and start reading now.
"Extended detection and response" is one of cybersecurity's hottest trends, fueling M&A and revenue.
XDR software gathers corporate data, stitches it together in one master view, and studies the data.
The software sounds the alarm when something is abnormal – like hackers in SolarWinds-style attacks.
The sprawling SolarWinds cyberattacks and new hacks of Microsoft email systems have hit the cybersecurity world hard. After successfully protecting remote workers and US elections in 2020, even the largest companies have been flummoxed by this year's sophisticated nation-state attacks.