Citrix Application Delivery Controller News Today

Hackers moved faster than system administrators to exploit a zero-day vulnerability in Citrix NetScaler appliances by dropping web shells that remain active even

A threat actor has exploited a recent Citrix vulnerability (CVE-2023-3519) to infect roughly 2,000 NetScaler instances with a backdoor.

Top U.S. and Australian cybersecurity agencies strongly urged users to patch a critical zero-day flaw in Citrix ADC and Gateway appliances being exploited by

Top U.S. and Australian cybersecurity agencies strongly urged users to patch a critical zero-day flaw in Citrix ADC and Gateway appliances being exploited by

The Healthcare Cyber Communications Center, FBI, Cybersecurity & Infrastructure Security Agency and National Security Agency in December warned of new ransomware strains and other cyber threats targeting health care.  

The NSA and CISA issued alerts for a critical vulnerability found in certain Citrix products. Threat actors have already successfully compromised multiple U.S. healthcare providers.

Cisco, Citrix, F5 among affected vendors.

Ragnarok ransomware group decided to cease operation, removed all the victims from its leak site, and released a decryption key.

The alert does not point to any specific new and recent threats or attacks from APT29 (aka Cozy Bear, Dukes, and Yttrium) targeting organizations in these sectors. But it does note the longstanding threat the group has posed to US organizations and the groups use of customized tools to maximize stealth and to move laterally within victim networks. Since at least 2018, the group has shifted from predominantly targeting on-premises assets to targeting cloud-hosted email and other cloud resources,...

The Biden administration issued sanctions against six Russian technology companies for helping the country’s intelligence agencies carry out malicious cyber activities including the SolarWinds hack. The private and state-owned companies were accused Thursday by the U.S. Department of the Treasury of enabling the Russian Intelligence Services’ cyber activities. The six companies support the Russian Federal Security Service (FSB), Main Intelligence Directive (GRU) and Foreign Intelligence Ser...