
palaniappan p17 min
How to Protect AWS Infrastructure from Cost-Based Attacks
Billing attacks: CloudFront request floods, Lambda bombs, SQS/SNS OTP spam. July 2026 — WAF ceilings, reserved concurrency, Budgets Actions, FinOps backstops.
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Billing attacks: CloudFront request floods, Lambda bombs, SQS/SNS OTP spam. July 2026 — WAF ceilings, reserved concurrency, Budgets Actions, FinOps backstops.

Valkey on ElastiCache: about 20% node / 33% serverless cheaper than Redis OSS engines. July 2026 — sessions, rate limits, locks, migration checklist.