Underminr uses shared CDN IPs to bypass DNS controls
Researchers have identified a new attack method called 'Underminr' that exploits shared CDN IP addresses to bypass common internet security measures, including DNS and Zero Trust architecture. This technique allows hackers to abuse trusted CDN infrastructure.
Key Takeaways
- Underminr exploits shared CDN IP addresses rather than attacking a single origin server.
- The technique can bypass DNS-based protections used to filter traffic.
- Underminr also circumvents Zero Trust architecture by abusing trusted CDN infrastructure.
- The analysis was published on May 27, 2026, and categorized under Video Delivery and CDN.
Why It Matters
Underminr matters because it targets infrastructure many streaming and delivery stacks treat as trusted, using shared CDN IPs to slip past DNS filtering and Zero Trust controls. That puts CDN address space, not just domains or endpoints, in the security path for operators that rely on those layers. For the broader streaming ecosystem, the finding highlights how shared delivery infrastructure can be abused as an access path rather than a transport layer. Watch for follow-on technical disclosures about which CDN IP-sharing patterns or control points Underminr can evade.
Read full article at techbusinessnews.com.au
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