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CSO US First Look
The day's top cybersecurity news and in-depth coverage
July 15, 2025
AI poisoning and the CISOâs crisis of trust
The CISOâs role has always been to protect the organization from threats it does not yet understand. AI poisoning requires CISOs to rethink risk, architecture, relationships, and shared responsibility.
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How defenders use the dark web
Gathering threat intelligence, finding the perpetrators of cyber attacks and bringing down whole ransomware gangs are some of the ways the dark web is used by defenders.
New Grok-4 AI breached within 48 hours using âwhisperedâ jailbreaks
Just days after launch, Elon Muskâs Grok-4 is compromised by researchers using a stealthy blend of Echo Chamber and Crescendo techniques, exposing deep flaws in AI safety systems.
Anatomy of a Scattered Spider attack: A growing ransomware threat evolves
The cybercriminal group has broadened its attack scope across several new industries, bringing valid credentials to bear on help desks before leveraging its new learnings of cloud intrusion tradecraft to set the stage for ransomware.
MCP is fueling agentic AI â and introducing new security risks
MCP allows AI agents and chatbots to connect to data sources, tools, and other services, but they pose significant risks for enterprises that roll them out without having proper security guardrails in place.
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