Never stored unencrypted.
If it is not necessary to use it, algorithms are used that do not allow the password to be determined, only to verify
If unencrypted passwords need to be used (typically to authenticate the system to other services, such as communication gateways), the passwords are stored securely outside the encrypted passwords so that it is not possible to obtain both by hacking one system.
Passwords are never transmitted through unencrypted channels
Internal encryption passwords are never global, but are always related to a specific user and purpose.
AES-256 level mechanisms are used as a minimum for encryption.
Passwords are stored in such a way that they cannot be retrieved or reconstructed from backups, source codes, or exports (e.g. by dump the database, by hacking the system)
All operations in which the password is used are logged. The log is kept so that it can be detected if it is tampered with.

Rules for user passwords

User passwords do not need to be decrypted. Therefore, only control hash codes are kept that make it impossible to retrieve the password in any way. In addition, the system requires the use of a secure password.

Rules for secure password

At least 8 characters from two groups:
Uppercase letters
Lowercase letters
Digits
Special characters

Rules for password communication

The system never sends passwords. It only sends links to pages that allow the password to be changed.
The system never allows password changes without a two-factor user check.
The system always informs the user if his account is handled by the administrator. It is not possible to change the user's security settings and the user is not informed by the other way (by email). In particular, the administrator has the ability to set a new password for the user, but the user is always informed by email; the administrator has no ability to influence the sending of an information email.

Management Security Rules

The system management is designed in accordance with the requirements of ISO 27002.

Physical Security

All physical infrastructure is located in data centre premises complying with the requirements of ISO 27002.
Neither the data centre administrator nor anyone else with physical access rights to technical equipment has access codes that would allow access to stored passwords of clients.
If the physical devices on which the system is operated, or which store system backups, are used by unauthorised persons, they cannot obtain stored passwords.

System Access Rules

All assets on which passwords are managed are under the direct care of the system administrator
All access to the infrastructure that processes passwords is managed – access is documented and records who and when accesses the infrastructure are recorded.
The system creates an independent password usage log. The log is available to the client on request (from the use of passwords it is possible to track employee data, therefore the log is not freely available).

Code management

Code that runs in the perimeter where data is managed is audited and must not leave the administrator's technical resources
All code changes are audited
The system is secured by technical means to identify code changes.

Manage the passwords themselves

Passwords are never transmitted by any physical media
The administrator never receives, transmits or processes client passwords – passwords are always entered by the clients themselves and are encrypted immediately after entering them. Therefore, the system administrators never see the clients' passwords, nor can they be in their electronic or other communications. All passwords are entered exclusively in an environment accessed by a worker who knows the passwords.
Passwords cannot be displayed by the system to an unauthorised person.
Password protection is implemented in a two-tier way – this means that obtaining a first-level password does not allow decrypting stored information, which is encrypted in a second-level password.

Unauthorised access protection

System supports access audit and permissions
If clients have any passwords on the system, the system requires a two-factor login from all users
System logs both user access and unsuccessful access attempts. In case of repeated unauthorised access, the system blocks further attempts.

Standards adhered to

The system meets the requirements to be used by companies meeting the standards:

TISAX
ISO 20000
ISO 27000, namely ISO 27002 (replaced the older ISO/IEC17799 standards years ago)
GDPR

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