- Sep 19 - HuntStand - 2,795,947 breached accounts
- Sep 16 - Instituto Nacional de Deportes de Chile - 319,613 breached accounts
- Sep 15 - Games Box - 1,439,354 breached accounts
- Sep 03 - Blooms Today - 3,184,010 breached accounts
- Sep 01 - Market Moveis - 28,220 breached accounts
- Sep 19 - 3K free SVG icons for popular brands
- Sep 19 - Visual guide to SSH tunneling and port forwarding
- Sep 19 - GitHub Notification Emails Hijacked to Send Malware
- Sep 19 - Avian flu detected in wastewater from 10 Texas cities
- Sep 19 - Finley (YC W21) is hiring engineers to build cap markets software (US Remote)