Security researchers recently leveraged specialized models to uncover critical vulnerabilities in widely used infrastructure, including flaws that could allow server takeovers on systems running Ubuntu. OpenAI has responded by launching a dedicated cybersecurity model alongside a $1 billion initiative to protect public utilities and critical networks. However, independent researchers report steep computing expenses and reduced model effectiveness during defensive research. These operational hurdles raise concerns that malicious actors utilizing open models may outpace defensive patching efforts.
Key points
The increasing ease of vulnerability detection allows novice hackers and defenders alike…: The increasing ease of vulnerability detection allows novice hackers and defenders alike to rapidly identify software exploits.
High costs for model tokens and subscriptions create financial barriers for researchers a…: High costs for model tokens and subscriptions create financial barriers for researchers attempting to secure open-source software.
Security experts worry that defensive investments may fail to keep pace with adversaries…: Security experts worry that defensive investments may fail to keep pace with adversaries utilizing unguarded artificial intelligence tools.
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Max Justicz, the chief technology officer and cofounder of the startup Charge Robotics, used an OpenAI model to find a severe vulnerability that — if exploited — could allow hackers to take control of servers running Ubuntu, a widely-used open-source Linux based operating system.
Justicz, who has a hobbyist’s interest in cybersecurity and previously found a vulnerability in the same codebase, told TechCrunch that he found this issue using GPT 5.6 Sol, released in July, through the AI maker’s Daybreak Blue, a program that gives cybersecurity defenders access to powerful frontier models.
“I literally just aimed ChatGPT at the same body of code and said ‘I found this bug previously that was fixed several years ago, please find bugs as bad or worse,’ and it came back in 2 hours with this,” Justicz said. “It’s extremely convoluted and hard for a human to find, but it works!”
He reported the issue to the Debian Project, which maintains the software in question and issued a patch to fix the vulnerability. There has been no known evidence of exploitation. Still, the ease…
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