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macroJun 21, 2026, 11:35 AM

NSA Confirms Mythos Breached Classified Networks Within Hours

The NSA has confirmed that an entity known as 'Mythos' penetrated nearly all classified systems within hours, marking a significant cybersecurity incident.

The National Security Agency has confirmed that a threat actor referred to as 'Mythos' breached almost all of its classified networks in a matter of hours. The incident, described by some as a 'cyber earthquake,' indicates a severe compromise of top U.S. secret systems.

Initial reports suggest that the breach was not a slow intrusion but a rapid penetration of multiple layers of security. The full extent of data accessed or exfiltrated remains unclear, but the event highlights vulnerabilities in even the most protected government networks.

No immediate attribution or technical details have been released by the NSA. The development is likely to raise concerns about national security and could prompt tighter cybersecurity protocols across federal agencies.

Source: First Squawk