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SUMMARY The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this Cybersecurity Advisory to warn network defenders about exploitation of CVE-2023-3519, an unauthenticated remote code execution (RCE) vulnerability affecting NetScaler (formerly Citrix) Application Delivery Controller (ADC) and NetScaler Gateway. In June 2023, threat actors exploited this vulnerability as a zero-day to drop a webshell on

Lazarus Group Recruitment: Threat Hunters vs Head Hunters Lazarus Group Recruitment: Threat Hunters vs Head Hunters Published on 27 April 2021 Contents Introduction At the end of September 2020, Positive Technologies Expert Security Center (PT Expert Security Center, PT ESC) was involved in the investigation of an incident in one of the largest pharmaceutical companies. After starting to analyze the tactics, techniques, and procedures (TTPs) of the attackers, the investigation team found similarities with the Lazarus Group attacks previously described in detail by cybersecurity experts in...