From theTHP3_Updates page Bit.ly link for the Red Canary Windows ATT&CK Matrix is broken. The new link is https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/windows-matrix.md results in 404 The working link is https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/Indexes/Matrices/windows-matrix.md