Google Launches Big Sleep to Combat Dormant Domain Exploitation

By M. Otani : AI Consultant Insights : AICI • 7/20/2025

cybersecurityai defensedomain security
AI News

July 19, 2025 - Google has deployed an AI-powered system called Big Sleep to identify and neutralise dormant web domains vulnerable to cyberattacks. These inactive domains are frequently exploited for phishing campaigns or malware distribution. The tool analyses domain registration patterns and flags suspicious modifications, enabling proactive mitigation of digital threats.

According to The Hacker News, Big Sleep employs machine learning models to detect anomalies in domain behaviour. For instance, it can identify sudden spikes in traffic or unexpected DNS changes that signal malicious activity. Google’s security team emphasises that this initiative addresses a critical gap in cybersecurity defences.

Broader context: The rise of AI-driven cyberattacks has intensified the need for intelligent defence mechanisms. As Mandiant reports, attackers increasingly exploit overlooked digital assets like dormant domains. Big Sleep exemplifies the growing trend of using AI for proactive threat detection rather than reactive measures.

Our view: While Big Sleep demonstrates AI’s potential in cybersecurity, its effectiveness depends on continuous model updates to counter evolving attack vectors. Collaboration between tech companies and cybersecurity firms will be crucial to maintain this defensive edge.

© 2025 Written by Dr Masayuki Otani : AI Consultant Insights AI Consultant Insights : AICI. All rights reserved.

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