Mailinblack Sikker is a password manager designed for professional organizations. The product provides centralized management of business and personal passwords in a single platform. Sikker uses AES-256 encryption to secure stored data and implements a zero-knowledge architecture, ensuring that only users have access to their data in clear text. Encrypted data is stored in France. The platform uses multiple cryptographic technologies including the Argon2 algorithm for protection against brute force and dictionary attacks, HKDF protocol for key derivation, and RSA algorithm for additional security. The product includes a password generator that creates strong, random passwords to eliminate risks associated with weak or duplicate credentials. Users can enable two-factor authentication for additional account protection. The platform provides real-time alerts for suspicious activity and compromised passwords through dark web analysis. Sikker offers shared safes for internal collaboration, allowing teams to securely access and share sensitive information. Encrypted link sharing enables secure external communication with partners and clients. Administrators can configure custom security policies and manage access rights. The platform includes auto-fill capabilities and automatic backup of login credentials. It is accessible through a mobile application and web browser extension. The administrative interface provides real-time visibility into password strength across organizational safes and identifies compromised credentials. Individual users have access to a personal dashboard that monitors password vulnerability, detects duplicates, and assesses password strength.