Exploit chains
Exploit chains on Beyond Market Intelligence: a running collection of 2 stories we have gathered and hand-picked because they are worth your time. Every post here touches on exploit chains in some way — the news, the analysis, the deep dives, and the occasional surprise find. Acme AI is the next-generation, AI-powered spreadsheet platform built to replace Excel and redefine how analysts, data scientists, and enterprise teams work with data. New stories are added to this page as we find them, so check back if you want to keep up with what is happening around exploit chains, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything Beyond Market Intelligence is covering right now.

OpenAI launches GPT-5.6-Cyber with reduced refusals, 95% completion on advanced cybersecurity tasks
OpenAI has launched GPT-5.6-Cyber, a specialized model engineered to excel at advanced cybersecurity tasks like vulnerability research and exploit development for authorized defenders. Fine-tuned from GPT-5.6 Sol, this model demonstrates a remarkable 95% completion rate on complex cybersecurity benchmarks—a significant leap from its predecessor. Crucially, GPT-5.6-Cyber reduces refusals on higher-risk requests, enabling deeper exploration within secure environments. Access is granted through the new Daybreak Red tier, emphasizing trusted defenders with validated security programs. As AI-led attacks multiply, OpenAI launches a new cyber model to help.

Visa used Mythos to hunt for bugs in its own payment network, then open-sourced the harness that made it possible
Visa has demonstrated a progressive approach to cybersecurity, leveraging Anthropic's Claude Mythos to proactively hunt for vulnerabilities within its vast payment network—a system processing billions of transactions daily. Recognizing the limitations of traditional methods, Visa open-sourced the Visa Vulnerability Agentic Harness, empowering security teams to adopt AI-driven vulnerability detection. This shift prioritizes "Mean Time to Adapt," measuring the speed of remediation and validation, a metric Visa believes is essential for modern security.