Kaspersky software will detect and record the authorization number of the updated copy every time it is updated, that is, the key you use. If installed on only one machine, only 24 updates will be generated at most in one day. In other words, if Kaspersky server records that the key has been updated more than 24 times around the world, then it is considered that the key has been abused, and Kaspersky official will blacklist the key. Kaspersky's update files all contain blacklist files, which record all keys that have not expired and have been blacklisted. After Kaspersky software is updated, it will look for its own key in the blacklist file. If found, it means that the key it uses is illegal, so the software will prompt you to buy a new Kaspersky key to use, otherwise it cannot be updated again! By the way, if the blacklist file is modified or deleted, Kaspersky Software will make an error when checking the update package, and the whole update package will be downloaded again for security reasons, so it is not feasible to try to avoid verification by modifying the blacklist file!

So if you don't use Kaspersky's official update server, or don't go to the officially designated server to update, then the official may not know how many times a key has actually been updated. In fact, in a network completely cut off from the Internet (as you said), Kaspersky officials really don't know whether your key has been reused or when and where you updated it. In other words, as long as these keys are not abused on the internet, it doesn't matter how many such LANs you install, and they will never be blocked!

The above is the principle that Kaspersky Software recognizes the legitimacy of authorization, which is universal in a local area network that can connect to the Internet. The official can know that your key has been updated, whether it is located in a computer on the LAN or not!

To answer your question:

1. I have done experiments with contrast software. Even if I have permission, I won't change any files. Please feel free to use them!

2. Yes, it depends on whether your local area network can connect to the Internet, so the situation is different!

3. No, Kaspersky's update source distribution is for this purpose. It is a typical application, reasonable and legal!

Yes, no problem, that's what I did! It is suggested that you make corresponding records when allocating authorization, because without records, it will be quite chaotic and difficult to maintain!

Moving the computer between two networks may cause some problems in the update, so it needs to be reset as long as the keys do not conflict. If there is a conflict between the keys, it will be difficult. Now Kaspersky can automatically detect whether there is a public key in the LAN. As long as two computers are detected, Kabbah cannot use them at the same time! I consulted Kaspersky's technical center on this issue, and they said that it doesn't matter if that happens. Both computers delete the Kabbah authorization at the same time and activate with different authorization files, which can be used normally. The general official will not seal such a misused key!

I wish you success and support the original!