Cisco email security appliances rooted and backdoored via still unpatched zero-day | Curated by Alerts360

Dec 18, 2025 - 01:35
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Cisco email security appliances rooted and backdoored via still unpatched zero-day  | Curated by Alerts360
Attackers have been compromising Cisco email security devices and planting backdoors on them since at least late November 2025. Stay Informed – Daily Sec Alerts

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