06.24
2025
An e-commerce startup faced a barrage of PayPal disputes, likely from card testers. Learn about attacker motives, multi-layered defense strategies, and navigating payment processor challenges.
Tag
Cybersecurity
Other. All summarized Hacker News discussions tagged with this topic.
Browse all tags
33 discussions
06.09
2025
A discussion on Hacker News explores the challenges and offers practical tips for an entry-level cybersecurity professional in Brazil seeking remote work in the US, covering experience building, contracting, and more.
05.24
2025
Explore diverse methods for storing private keys securely, from hardware tokens like Yubikeys and HSMs to software solutions like 1Password, encryption, and robust backup plans.