Cisco Secure Email Gateway

Entity category: PRODUCT

BigTech Companies

Cisco Email Security Appliances Hacked via Unpatched Zero-Day

A critical zero-day vulnerability (CVE-2025-20393) in Cisco email security appliances is being exploited, allowing attackers to gain full control, particularly…

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BigTech Companies

Cisco Warns of Chinese Hackers Using New Zero-Day

Cisco warns of an active, state-sponsored hacking campaign exploiting a critical zero-day vulnerability in its security appliances, allowing complete device…

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