Cyber Briefing: 2025.06.12

👉 What’s going on in the cyber world today?

SmartAttack uses sound to breach air-gapped PCs, Tomcat hit by coordinated brute-force, TeamFiltration abused for Entra ID takeovers. Erie Insurance and Philly schools breached, SoftBank vendor leaks PII. INTERPOL busts infostealer ring, Linux malware surges 388%, and U.S. bill targets healthcare cyber threats.

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Welcome to Cyber Briefing, the newsletter that informs you about the latest cybersecurity advisories, alerts, incidents and news every weekday.

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🚨 Cyber Alerts

1. SmartAttack Uses Sound To Steal PC Data

Security researchers have demonstrated a new attack method called ‘SmartAttack’ that uses a smartwatch as a covert receiver to steal data from physically isolated, air-gapped computer systems. The technique requires malware on the target computer to encode sensitive information like encryption keys into inaudible ultrasonic audio signals broadcast from the…