Welcome to the first Cloud CISO Perspectives for September 2026. Today, Sandra Joyce shares the latest details on Google’s visibility into how attackers are using AI, and how we’re using AI to stop them. As with all Cloud CISO Perspectives, the contents of this newsletter are posted to the Google Cloud blog. If you’re reading this on the website and you’d like to receive the email version, you can subscribe here. aside_block <ListValue: [StructValue([('title', 'Get vital board insights with Google Cloud'), ('body', <wagtail.rich_text.RichText object at 0x7f874c202d10>), ('btn_text', 'Visit the hub'), ('href', 'https://cloud.google.com/solutions/security/board-of-directors?utm_source=cgc-site&utm_medium=et&utm_campaign=FY26-Q2-GLOBAL-GCP39634-email-dl-dgcsm-CISOP-NL-177159&utm_content=-&utm_term=-'), ('image', <GAEImage: GCAT-replacement-logo-A>)])]> ‘Spellcheck for cybersecurity’ and beyond: How Google monitors AI threats and advances AI defenses By Sandra Joyce, VP, Google Threat Intelligence Sandra Joyce, VP, Google Threat Intelligence Anyone operating in security knows that speculation is a major liability during periods of technological disruption. While there is plenty of hype and understandable concern around how threats might use and target AI, a CISO’s AI security strategy has to be anchored in ground truth. Google operates at a rare intersection as both a frontier AI lab and a security company with a frontline view of global incidents. This dual vantage point allows us to understand how AI is built, and exactly how AI is being targeted in the wild. To provide the operational realities that security and business leaders need in the AI era, Google Threat Intelligence Group (GTIG) recently released our latest AI Threat Tracker. When we strip away the noise and look at the telemetry, the real threat landscape boils down to three structural shifts that CISOs must address: AI is reshaping how software is built. AI is expanding the attack surface. AI is enhancing threat capabilities. Today, we’re sharing details on Google’s visibility into these three challenges, and our approach for solving them. Building securely in the AI era AI has fundamentally altered software development velocity. Across the industry, autonomous agents and AI workflows now push code into production at unprecedented speed. This creates exciting opportunities for innovation, yet CISOs are faced with the difficult task of mitigating enterprise risk while maintaining business momentum. We’re seeing threat actors turn our greatest engineering shortcut against us by contaminating upstream packages that AI assistants are trained to suggest and trust. GTIG believes that malicious contamination of AI-assisted coding practices has been contributing to the significant growth in large-scale, open-source software supply chain compromises we observed in 2025 and early 2026. The solution to a machine-speed threat landscape isn't slowing developers down — it’s building security natively into the AI pipeline. Part of this process involves in-editor guardrails for developers that create a real-time 'spellcheck for cybersecurity.' We’re also monitoring adversaries targeting agents. The financially-motivated threat actor TeamPCP (UNC6780) has implemented more than half a dozen methods to exploit AI tools and open-source software development practices, including hijacking AI toolkits, prompt injection, and blinding AI scanners with toxic prompts to obfuscate malicious payloads. The solution to a machine-speed threat landscape isn't slowing developers down — it’s building security natively into the AI pipeline. Part of this process involves in-editor guardrails for developers that create a real-time “spellcheck for cybersecurity.” Just as word processors underline typos without forcing the writer to stop, security controls must sit natively inside the developer’s editor and agentic workflows, instantly flagging poisoned packages, toxic prompts, and misconfigured toolkits.
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