Krebs on Security is a cybersecurity blog authored by Brian Krebs, an investigative journalist and cybersecurity expert. With a focus on cybercrime, hacking incidents, and data breaches, Krebs on Security provides  analysis, investigative reporting, and security research on emerging threats and cybersecurity trends. Developers and security professionals can learn about the latest cybersecurity threats, security best practices, and incident response strategies from Krebs' investigative reporting and expert analysis.

Krebs on Security

MasterCard fixed a DNS misconfiguration that could have allowed traffic interception by registering an unused domain name. The issue, present for nearly five years, was discovered by security researcher Philippe Caturegli, who spent $300 to secure the domain and prevent exploitation. Despite MasterCard downplaying the risk, the discovery highlighted the importance of accurate DNS configuration and proactive security measures.

MasterCard DNS Error Went Unnoticed for Years – Krebs on Security