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Insured might not have been the best word to use rather than Warranty. Here are the details:
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Comodo Warranty

All Comodo SSL certificates include a limited warranty.

Comodo's warranty is payable if Comodo fails to properly validate the information contained in a digital certificate, and if this failure causes the end-user to lose money in connection with a fraudulent online credit card transaction.

This warranty is only payable if the transaction involved an amount no greater than the Maximum Transaction Value identified below for the relevant certificate type. Only up to the Maximum Transaction Value may be paid out per transaction. The aggregate warranty amount paid out per SSL certificate (the Warranty Level) varies by certificate type as set forth here:

Positive
SSL Comodo
SSL Positive
Wildcard Positive
Multidomain Comodo
Extended
Max. Transaction Value $1,000 $5,000 $1,000 $1,000 $10,000
Warranty Level $10,000 $250,000 $10,000 $10,000 $1,750,000