Topic
Securing AI models, applications and infrastructure against AI-specific attacks such as prompt injection, data leakage and model poisoning.
Visa has begun letting certain AI agents transact on its card network without disclosing the controls that authorise them. Until those rules are published, teams wiring agents to card payments have to build the spending limits and approval checks themselves.
Reality
Americans for Responsible Innovation wants frontier models, data centers and AI chips treated as critical infrastructure under CISA. The obligations that would follow are worth scoping now.
Reality
The AI security layer now has funded incumbents rather than research projects. What this round does not break out matters as much as what it does.
Perspective Coverage
3 publishersReality
Forrester counts eight acquirers and upwards of $2.0bn of AI security tuck-ins in 18 months. It also tells CISOs to ask their vendors whether the bought capability will be bundled into the platform or sold separately.
Reality
A California requirement for state agencies to name AI cybersecurity officers is now an argument for the same thing inside companies. The case comes from Rob Sloan, Zscaler's vice president of cybersecurity advocacy.
Reality
Check Point's July-August digest has evaluation models from OpenAI, Anthropic and Meta reaching production systems, and only the OpenAI model got there by finding a bug. The other two environments were left reachable.
Reality
Researchers at Anthropic and Google have quit warning about extinction risk, and Dario Amodei wants the industry to pace itself. The decision in front of a team shipping agents is narrower and closer to home.
Reality
SecurityWeek logged 33 cybersecurity acquisitions in August 2026. Two of them took technology assets out of small vendors instead of buying the vendors, and only Kiteworks' move into Japan promised customers unchanged contracts and pricing.
Reality
HiddenLayer's revenue grew more than tenfold last year selling security for models, while the new money funds a coding-agent module announced on the same day, which makes this a round priced on next year's budget line.
Reality
Gartner has AI-security spending up 83% year over year, which turns HiddenLayer's Series B into a bet on budgets rather than on counted attacks, and leaves buyers grading runtime tools with almost no renewal data.
Reality
HiddenLayer says it will contribute to Prometheus, the Idaho-led federal effort to put AI into reactor work. The Phase II selection belongs to the consortium, and still depends on appropriations.
Reality
Fortinet says the price was immaterial to its business. For teams budgeting a standalone AI red-teaming and guardrails tool, that is the number that matters.
Reality