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OpenAI on Friday released three versions of GPT-5.6 , called Sol, Terra, and Luna , as a limited preview to a small number of companies as part of an ongoing engagement with the U.S. government. While Sol is the latest flagship model and the most powerful, Terra strikes a balance between efficiency and power, and Luna is fine-tuned for speed and affordability. "GPT‑5.6 Sol launches with our most robust safety stack to date. We strengthened protections for higher-risk activity, sensitive cyber requests, and repeated misuse, and spent multiple weeks finding weaknesses, pressure-testing our system, and hardening it against real-world attacks," OpenAI said . The model has also been touted as the "most capable model yet" for cybersecurity, making it much more suitable for vulnerability research and exploitation. On ExploitBench , GPT‑5.6 Sol is competitive with Anthropic Mythos Preview using only about one-third of the output tokens, OpenAI noted. The goal, ...

Writing advanced malware for a threat actor requires different groups of people with diverse technical expertise to put them all together. But can the code leave enough clues to reveal the person behind it? To this effect, cybersecurity researchers on Friday detailed a new methodology to identify exploit authors that use their unique characteristics as a fingerprint to track down other exploits developed by them. By deploying this technique, the researchers were able to link 16 Windows local privilege escalation (LPE) exploits to two zero-day sellers "Volodya" (previously called "BuggiCorp") and "PlayBit" (or "luxor2008"). "Instead of focusing on an entire malware and hunting for new samples of the malware family or actor, we wanted to offer another perspective and decided to concentrate on these few functions that were written by an exploit developer," Check Point Research's Itay Cohen and Eyal Itkin noted. Fingerprinting an...