Codex now controls Windows PCs directlyOpenAI launches Rosalind Biodefense initiativeAnthropic raises $65B in Series H fundingAnthropic raises $65B in Series HClaude Opus 4.8 Now Available on Web, Platform and CloudClaude Opus 4.8 now available on web and APIAnthropic releases Claude Opus 4.8 with faster workflowsDynamic Workflows Added to Claude Code in Research PreviewGemini Omni enables conversational content editingOpenAI publishes 2026 election safeguardsSynthID Watermarking Expanded with OpenAI PartnershipAnthropic updates Responsible Scaling Policy v3.2OpenAI updates ChatGPT ad policy criteriaAnthropic explains how it contains ClaudeGoogle DeepMind expands AI safety partnership with SingaporeAnthropic finds over 10,000 vulnerabilities with Project GlasswingSynthID expands to Google Search and ChromeAnthropic updates vuln disclosure dashboardAnthropic shares early Glasswing resultsAnthropic publishes early Project Glasswing resultsCodex now controls Windows PCs directlyOpenAI launches Rosalind Biodefense initiativeAnthropic raises $65B in Series H fundingAnthropic raises $65B in Series HClaude Opus 4.8 Now Available on Web, Platform and CloudClaude Opus 4.8 now available on web and APIAnthropic releases Claude Opus 4.8 with faster workflowsDynamic Workflows Added to Claude Code in Research PreviewGemini Omni enables conversational content editingOpenAI publishes 2026 election safeguardsSynthID Watermarking Expanded with OpenAI PartnershipAnthropic updates Responsible Scaling Policy v3.2OpenAI updates ChatGPT ad policy criteriaAnthropic explains how it contains ClaudeGoogle DeepMind expands AI safety partnership with SingaporeAnthropic finds over 10,000 vulnerabilities with Project GlasswingSynthID expands to Google Search and ChromeAnthropic updates vuln disclosure dashboardAnthropic shares early Glasswing resultsAnthropic publishes early Project Glasswing results
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OpenAI21:12AvailabilityOfficial Blog

OpenAI Expands Cyber Access with GPT-5.4-Cyber Tiers

Trusted defenders gain easy access to cutting-edge AI cyber tools.

Key Points

  • 1New tiers expand access
  • 2Cyber-tuned GPT-5.4
  • 3Balances democratization and safeguards
  • 4Iterative defender deployment

OpenAI expanded Trusted Access for Cyber, allowing high-tier vetted defenders access to GPT-5.4-Cyber, fine-tuned for cybersecurity. It enables advanced defensive workflows while scaling safeguards. This democratizes access for legit users, boosting threat detection efficiency in practice.

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