More than 100 technology, financial and cybersecurity companies, including OpenAI, Anthropic, Microsoft, Google and Cloudflare, are calling for stronger AI-powered defenses and closer cooperation between governments and private industry as artificial intelligence makes sophisticated cyberattacks cheaper and easier to scale. The coalition urged organizations to fix high-risk weaknesses, raise security standards for products and AI-generated code, share threat intelligence and improve protection across critical infrastructure. It also called for trusted security organizations to receive greater access to advanced AI models for defensive work, alongside funding, training and practical support. AI can automate reconnaissance, phishing and movement through compromised networks. Anthropic found that the proportion of banned accounts linked to medium-risk or more serious threat actors rose from 33% to 56% among 832 accounts in one year. Defenders are also using AI: a Bitcoin team identified 4,962 potential vulnerabilities across 390 projects in about 30 hours. Crypto remains especially exposed because stolen funds can move rapidly across borders. TRM Labs recorded 201 crypto hacks in the first half of 2026, compared with 83 a year earlier, while about $247 million was stolen in July across wallets, bridges and lending protocols. North Korean-linked attackers have experimented with locally hosted AI tools to improve phishing and attack automation. The coalition's letter is a call to action rather than a binding agreement and contains no specific commitments, deadlines or investments. For investors, the trend may support demand not only for AI chips and cloud infrastructure but also for security software designed to protect increasingly automated systems.