The Physics of Data Egress: Why “Cloud First” Fails Without a TCO Reality Check
I still remember the call at 2:00 AM in 2018. A Fortune 500 client was panicking because their AWS bill had spiked 300% overnight. The culprit wasn’t a crypto miner or a DDoS attack; it was their own data team. Unmonitored egress from S3 to on-prem analytics pipelines had been left open during a quarterly…