Topic: trend micro research
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Cisco Zero-Day Exploited to Plant Rootkits on Network Switches
A critical vulnerability (CVE-2025-20352) in Cisco's network operating systems allowed attackers with administrative credentials to execute remote code and install persistent Linux rootkits on switches. Attackers implanted a rootkit that sets a universal password, uses memory hooks to hide filele...
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New Bert Ransomware Group Launches Global Attack with Multiple Variants
A new ransomware called "Bert" is targeting global organizations across healthcare, tech, and event management sectors, with attacks tracked since April 2025. Bert uses multiple malware variants and sophisticated encryption, spreading via phishing and unpatched vulnerabilities, with victims...
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Cisco Hackers Use SNMP Flaw to Install Rootkit on Switches
Cybersecurity experts warn of a serious threat exploiting a recently patched remote code execution vulnerability (CVE-2025-20352) in Cisco networking hardware, allowing attackers with root access to install persistent rootkits. The campaign, named 'Operation Zero Disco', targets Cisco switches li...
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