The Valach System (VS) interface uses a single cookie, solely to make signing in work: the session cookie (named vs_session). We place NO analytics, advertising or tracking cookies, and use no tracking or analytics services. While the system is used without signing in, no cookie is placed in your browser.
Name: vs_session · Purpose: identifies you after signing in and remembers WHICH COMPANY you are working in · Content: a random identifier (never your password or data) · Lifetime: a few hours from signing in, deleted immediately on sign-out · Settings: the browser’s JavaScript cannot read it (HttpOnly), the browser sends it only to our own site (SameSite), and on the live server only over an encrypted connection (Secure). This cookie is strictly necessary for the service, so it needs no separate consent; without it signing in would not work.
The interface stores a few settings in your browser’s local storage (localStorage). They stay on your device, are not sent to the server, and are not suitable for tracking:
· vs.lang — the chosen interface language (Hungarian/English/German);
· vs.debug — a developer logging switch (off by default);
· vs.lineRunPollSecs — a screen refresh interval setting;
· vs.tenant.code — the internal identifier of the last chosen company (the company switcher remembers it; when signed in, the company always comes from the session);
· vs::favorites::v1 — the list of screens marked as favourites;
· vs.processLineCols.v1 — the column widths of the process lines table;
· vs.picker.… — the selections in a webshop connection’s picker list (kept after the list is closed).
It also keeps one notice in the tab’s session storage (sessionStorage): vs.write.notice — if a save did not happen because the signed-in person or company changed in the meantime, the tab tells you once after the page reloads. It is deleted when the tab is closed.
You can remove them at any time by clearing your browser data; the interface keeps working and simply starts with defaults.
The interface can also be installed as an app (PWA). For this the browser keeps the interface SHELL (the start page and the presentation files: styles, code, icons) in a store named “vs-shell-v2”, so it opens without a network connection. NO BUSINESS DATA is written to this store: every business query is served live from the server. The store can be removed by clearing your browser data.
No third-party tracking code is embedded in the interface. The processors used to run the service (hosting, e-mail, AI assistance) are listed in the Privacy notice — they place nothing in your browser.
If the system introduces cookies in the future (for example for sign-in), this notice is updated FIRST: a machine check verifies that every key actually stored by the interface is named on this page, in all three languages. The version and the review log are shown in the page header.