Parity report
A parity report compares what an old system and its replacement do on the same inputs. In a SOAR migration it shows whether converted playbooks reach the same outcomes. It is the evidence to ask for before retiring the old platform, and its method matters more than its headline number.
What Parity report means
Good ones replay real incidents through both systems and list every difference. A summary percentage hides which playbook types fail.
Agree before the test what counts as a match and who signs.
Parity report in D3 Security's own words
D3 describes a parity report built from replayed incidents that compares what the old and new platforms do on the same alerts, and pairs it with a rollback path. D3 Security documentation, read 2026-11-03