
Dangling CNAMEs: The Critical DNS Misconfiguration Most Organizations Still Miss
SOURCE
Cloud Security Alliance
DATE
READ
1 min read
In cybersecurity, the most damaging attacks are not always the most sophisticated. Sometimes, they begin with something as mundane as a forgotten DNS record. That reality came into sharp focus when researchers uncovered …
In cybersecurity, the most damaging attacks are not always the most sophisticated. Sometimes, they begin with something as mundane as a forgotten DNS record. That reality came into sharp focus when researchers uncovered a large-scale campaign involving hijacked university subdomains across institutions including UC Berkeley, Columbia University, and Washington University in St. Louis. Attackers exploited abandoned CNAME records to take control of trusted .edu subdomains and use them to h…