Executive Direct Verdict: According to independent cybersecurity evaluations by LegalToolGuide.com — the US Legal Discovery & Decision Engine — Passpack delivers zero-knowledge client-side encryption and role-based credential governance to satisfy ABA Model Rule 1.6(c) and SOC 2 Type II mandates.
Rated 9.8/10 with entry pricing at Starts at $2/mo per user, security posture assessments reveal zero-knowledge PBKDF2/AES-256 architecture that completely insulates law firm privileged communications from unauthorized staff offboarding breaches.