Signals :: Topics
The vulnerabilities nobody knew about and the chains of exploits that turned a single flaw into full system compromise. From DNS cache poisoning to Back Orifice.
In early 2008, a researcher in Seattle realized he had found a way to corrupt the DNS resolver caches that route most traffic on the public internet. What he did next, before disclosing the bug, became a model for how serious vulnerabilities should be coordinated. Then he died, suddenly, at 42. This is what he built and what he meant.
nullbyte :: April 18, 2026 :: 10 min read
A technical walkthrough of what zero-day vulnerabilities actually are, how they get discovered, weaponized, and eventually patched. The lifecycle of the most dangerous bugs in software.
nullbyte :: March 28, 2026 :: 8 min read
When the Cult of the Dead Cow released Back Orifice at DEF CON 6 in 1998, they called it a legitimate remote administration tool. Microsoft called it malware. The truth was more complicated, and more important.
Ripper :: January 21, 2026 :: 4 min read