Exploitation
Cisco SNMP vulnerability exploited to deploy Linux rootkits
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Cybersecurity firm Trend Micro has revealed Operation Zero Disco, a campaign exploiting a critical Cisco SNMP flaw to install rootkits on network devices. The attack targets older switches, enabling persistent access and evasion of detection. As of October 2025, it has compromised enterprise networks reliant on legacy infrastructure.
Two windows vulnerabilities face active exploitation
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Researchers have identified two Windows vulnerabilities currently under widespread exploitation, including a zero-day flaw known to attackers since 2017. Microsoft has yet to patch the zero-day, while the second critical issue received an emergency fix after an initial incomplete patch. These attacks target users across multiple countries and involve advanced persistent threats.