Kaspersky could very well be their big creditor, if it really made up such a huge percentage of their sales. Assume, for illustration purposes, that they had a

Kaspersky could very well be their big creditor, if it really made up such a huge percentage of their sales. Assume, for illustration purposes, that they had a monthly revenue of $10M, of which $7M was Kaspersky sales. 15 days after their last month with Kaspersky, they need to pay Kaspersky $7M (minus fees), as well as $3M (minus fees) to their other merchants. But now they're only making $3M a month. Whatever payment schedule they can get Kaspersky to agree to, they still don't have enough money left to pay their other merchants. Of course every company should save up for a rainy day, especially if they are exposed to this kind of risk. Unfortunately, many companies don't, either out of incompetence or out of malice -- which tend to become indistinguishable at these scales.