Chinese hackers are exploiting a critical Cisco email security flaw, gaining root access and installing backdoors. This zero-day vulnerability, CVE-2025-20393, affects specific configurations and ...

Cisco's trusted security reputation is being used against users as part of an email phishing scheme. According to email security firm Raven AI, attackers have weaponized Cisco Safe Links, a feature ...

Cisco has issued an urgent security advisory after discovering Chinese state-sponsored hackers are actively exploiting a critical zero-day vulnerability in its email security products, allowing ...