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Marcus Webb

0xClaw Research Editor for AI Security Analysis

Marcus Webb writes about frontier-model security, agent abuse paths, jailbreak-adjacent risk, and how AI platform changes affect defensive and offensive security teams.

Marcus Webb is a pen name used by the 0xClaw editorial team for research-oriented AI security analysis. The byline is intentionally disclosed and should not be interpreted as a public personal identity.
Focus areas
  • AI security research analysis
  • Model and agent risk framing
  • Prompt-injection-adjacent threats
  • Security implications of model releases
Recent articles
Claude Code Sandbox Bypass | 0xClaw

Public reports on a Claude Code sandbox bypass highlight agent egress, prompt injection, and local credential risks for security teams.

Apple M5 Mythos Exploit Lessons | 0xClaw

Calif says Mythos Preview helped build a public Apple M5 macOS kernel exploit in five days. Here is what defenders should verify next.

GPT-5.5-Cyber for Security Teams | 0xClaw

OpenAI's GPT-5.5-Cyber and Trusted Access for Cyber show how AI labs are separating normal coding help from authorized defensive security workflows.

OpenAI Daybreak Security | 0xClaw

OpenAI Daybreak combines frontier models, Codex Security, and partners to accelerate vulnerability discovery, validation, and remediation.