Posts Tagged ‘Microsoft Exchange’
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…
Read MoreExchange Authentication Bypass Vulnerability Now Exploitable
A working exploit for an Exchange authentication bypass vulnerability is now public on GitHub, and heise.de reports that roughly 85% of on-premises Exchange servers in Germany remain vulnerable three weeks after Microsoft shipped a fix. The catch: for organizations still running Exchange 2016 or 2019, that fix is locked behind Microsoft’s paid Extended Security Update…
Read MoreMay 2026 Cybersecurity Roundup: Pharma, Social Engineering, and Critical CVEs
The May 2026 Cybersecurity Roundup covers a month where attackers targeted pharmaceutical supply chains, municipal finances, retail franchise networks, and advanced electronics manufacturing. The victims differed significantly in sector and geography, but the underlying patterns were consistent: ransomware operators, financially motivated groups, and state-linked actors all pursued access to trusted systems — and found it.…
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