AI systems are under attack on multiple fronts at once, and security researchers say most of the vulnerabilities have no known fixes. Threat actors hijack autonomous AI agents to conduct cyberattacks and can poison training data for as little as 250 documents and $60. Prompt injection attacks succeed against 56% of large language models. Model repositories harbor hundreds of thousands of malicious files. Deepfake video calls have stolen tens of millions of dollars. The same capabilities...