3 ms·How SMS Fraud Works and How to Guard Against It3 points by fagnerbrack 2y agognabgib 2y agoPreviously on HN [0] (206 points, 1 year ago, 105 comments) [0]: https://news.ycombinator.com/item?id=34972712 https://news.ycombinator.com/item?id=34972712