Multi-tenancy is the economic engine of SaaS. Sharing infrastructure across customers reduces cost and simplifies operations. But it introduces a risk that can end your business overnight: tenant data leakage. When one customer can see another customer's data — even accidentally — the consequences are severe. Regulatory fines, contract termination, public disclosure requirements, and irreparable t
Some time ago, I was building a chat application using AWS Websocket API gateway. Things were going smoothly. I created a WebSocket API Gateway, added $connect, $disconnect, and sendMessage/addGroup routes. From the frontend (React) side, everything was fire-and-forget. You send a message, and the onMessageHandler takes care of it 💪🏼 But then a new requirement of uploading files using S3 signed
How to Avoid Losses in a Bear Market: A Crypto Trader's Survival Guide Here's a number most traders don't want to hear: over the last 51 days of continuous market monitoring, 93% of the time the crypto market was classified as bearish. Not choppy. Not neutral. Bearish. That data comes from 10,000+ market snapshots taken every five minutes by the Regime API, scoring 10 weighted signals across fun