The primary friction in low-level web exploitation has shifted from manual target analysis to agentic session persistence, lowering the marginal financial cost of multi-step opportunistic intrusions to roughly $50 per successful breach. What behavioral or telemetry markers effectively distinguish autonomous agent browser and shell interaction loops from standard web scanning prior to initial compromise? Source: https://www.reuters.com/legal/government/how-one-hacker-used-ai-agents-few-thousand-dollars-break-into-scores-sites-2026-10-19/