Indexed pricing is a rate model that changes according to a market-linked formula, rather than staying fixed for the full contract term. The benchmark may track a wholesale market, commodity index, or other published reference, so the customer’s price rises or falls as the index moves. This makes the final bill less predictable than a fixed tariff, but it can also reflect current market conditions more accurately.
In cyber security, indexed pricing matters whenever security tools or infrastructure are bought as a service. Cloud, bandwidth, and metered API costs can vary with demand, and attackers may exploit that by generating heavy traffic, repeated requests, or automated abuse to drive up spend. Defenders reduce this risk by monitoring usage, setting budgets and caps, and checking how the index is calculated, including any fees, triggers, or pass-through charges. In procurement, indexed terms should be reviewed carefully so security teams are not surprised by cost spikes during incidents or traffic surges.