SolarWinds Attack Underscores 'New Dimension' in Cyber-Espionage Tactics

 By Dark Reading - 2021-01-22

Description

Meanwhile, Malwarebytes is the latest victim, Symantec discovers a fourth piece of malware used in the massive attack campaign, and FireEye Mandiant releases a free tool to help spot signs of the atta ...

Summary

  • Orthogonal Matrix What is an Orthogonal Matrix?
  • In terms of geometry, orthogonal means that two vectors are perpendicular to each other.
  • Additionally you may select any two rows and find that the same property holds, as the transpose of an orthogonal matrix is itself an orthogonal matrix.
  • Because the transpose preserves the determinant, it is easy to show that the determinant of an orthogonal matrix must be equal to 1 or -1.

 

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