Varonis security brief Perimeter-based email defenses miss AI-generated attacks that carry no obvious malicious link or attachment. A new report from Software Analyst Cyber Research (SACR) says email security must shift from detecting bad messages to investigating how an attack unfolds. SACR highlights Varonis Interceptor as an example of this shift because it uses an AI Phishing Sandbox that follows an attack through to the credential-harvesting page a user would actually land on.