Microsoft Warns of Exchange Server Zero-Day Exploited in the Wild

Microsoft has shared mitigations for CVE-2026-42897 until a permanent patch can be released for affected Exchange Server versions.
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What 45 Days of Watching Your Own Tools Will Tell You About Your Real Attack Surface

In Your Biggest Security Risk Isn’t Malware — It’s What You Already Trust, we made a simple argument: the most dangerous activity inside most organizations no longer looks like an attack. It looks like administration. PowerShell, WMIC, netsh, Certutil,… Continue reading What 45 Days of Watching Your Own Tools Will Tell You About Your Real Attack Surface

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TanStack Supply Chain Attack Hits Two OpenAI Employee Devices, Forces macOS Updates

OpenAI has disclosed that two of its employee devices in its corporate environment were impacted via the Mini Shai-Hulud supply chain attack on TanStack, but noted that no user data, production systems, or intellectual property were compromised or modi… Continue reading TanStack Supply Chain Attack Hits Two OpenAI Employee Devices, Forces macOS Updates

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