Top 5 Cybersecurity News Stories September 4, 2026

This week’s Cybersecurity News Stories September 4, 2026 illustrate a consistent challenge: the gap between a protective measure and what that measure actually closes. SonicWall enterprise remote-access appliances confirmed actively exploited via a zero-day chain requiring no credentials and no user interaction. Microsoft Exchange Server 2016 deployments without Extended Security Update eligibility facing an authentication…

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