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The state-sponsored threat actor deployed kernel implants and passive backdoors enabling long-term, high-level espionage. The post Chinese Hackers Caught Deep Within Telecom Backbone Infrastructure appeared first on SecurityWeek.

CVE-2026-3055: NetScaler Memory Disclosure Puts SAML-Enabled Edge Devices at Risk Citrix has released fixes for two NetScaler vulnerabilities that security teams should review right away: CVE-2026-3055 and CVE-2026-4368. The first is a critical memory overread issue while the second is a race condition that can cause user session mix-ups. Both matter because NetScaler ADC and […]

Summary The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint advisory to disseminate known tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with threat actors deploying the LummaC2 information stealer (infostealer) malware. LummaC2 malware is able to infiltrate victim computer networks and exfiltrate […]