On an authorized Windows host, obtain a full dump of Local Security Authority Subsystem Service (LSASS) process memory and analyze that dump offline for available credential material. Results depend on logon state, credential packages, dump completeness, and Windows protections; a dump does not imply that every user's cleartext password or credential is present.
Variant:
Recover AD FS signing certificate
powershell
RESTRICTED_ACCESS_BLUR_MARKER
RESTRICTED_ACCESS_BLUR_MARKER
RESTRICTED_ACCESS_BLUR_MARKER
RESTRICTED_ACCESS_BLUR_MARKER