Privacy policy
In force from 11 November 2026 (MoB 1.0.0)
In short
- Your backups never leave. They are only where you send them - on your disk or NAS.
- No account, no registration, no tracking in the program.
- MoB only contacts mobackup.cz about new versions and the rescue system. It sends nothing else.
Who is responsible
Data controller: Michal Foist, company ID (IČO) 69254303, contact appsupport@mobackup.cz.
What MoB stores on your computer
- Settings, backup plans and the backup journal in the MoB folders in your profile and in
%ProgramData%\MoB. - The backup storage passphrase only if you let MoB remember it - in the Windows keychain.
- A random installation number in
%LOCALAPPDATA%\MoB\install-id(see below).
The backups themselves are in the backup storage you choose. With a passphrase they are encrypted (AES-256-GCM) and nobody can read them without it - not even us.
What leaves the computer and where
New-version check
Once a week (adjustable: daily, weekly, or only when you click Check now) MoB asks for the file
https://mobackup.cz/version.json. It adds a random installation number (?id=, 32 characters),
created at the first check and reused afterwards. It contains nothing about you or the computer - it only tells us how many
MoB installations are in use (one installer download can end up on ten computers). The request also carries the program name
(MasterOfBackups).
When a newer version is out and you click Update, MoB downloads the installer from mobackup.cz and runs it only if its SHA-256 fingerprint matches the one in version.json.
Rescue system
When making the rescue medium (and in advance for a whole-disk backup plan) MoB looks at https://mobackup.cz/rescue.json
and downloads the rescue system from there. It only uses it if its SHA-256 fingerprint matches.
Nothing else
No telemetry, no crash reports, no ads. The error log stays on your computer.
The mobackup.cz website and server
- The server keeps ordinary access logs (IP address, time, file address, browser type), including the installation number from the version check. They are kept for 30 days, then deleted. Only the server administrator can access them.
- Statistics are computed from the logs (how often what was downloaded, how many installations check in, from which countries). The IP address is not stored in them; only the country is derived from it. The installation number is stored in them only as a one-way fingerprint, together with the days it first and last checked in, with no time limit. It will be gone from the server backups that still held it in plain form by 18 November 2026 at the latest.
- The server is protected against attacks by CrowdSec. It keeps attack records for 7 days and sends only the attacker's IP address, the type of attack and the time to the shared CrowdSec network.
- The website has no forms, accounts, ads or third-party tracking tools.
- The server is run by netcup GmbH (Germany, Nuremberg data centre) as a processor.
Uninstalling
MoB uninstalls from its window or from Windows Settings. Your backups stay where they are - you delete them when you want to.
Your rights
You are in full control of the data on your computer. For the data on the server (logs, statistics) you have, under the GDPR, the right of access, rectification, erasure, restriction of processing and to object - write to appsupport@mobackup.cz. You can lodge a complaint with the Czech Office for Personal Data Protection (uoou.gov.cz).
Changes to this policy will be announced in the news. The valid version is always here.