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Disrupting the Shadows: Google GTIG Unveils Efforts to Counter China-Linked APT UNC2814's Global Cyber Espionage Campaign


Google Threat Intelligence Group (GTIG) has disrupted the global cyber espionage campaign of UNC2814, a suspected China-linked group that targeted 53 organizations across 42 countries. The operation marks an important milestone in the ongoing fight against state-sponsored cyber espionage and highlights the need for organizations worldwide to remain vigilant in their efforts to protect themselves against such threats.

  • Google has disrupted the infrastructure of UNC2814, a suspected PRC-nexus group linked to state-sponsored cyber espionage.
  • UNC2814 targeted telecommunications and government organizations across dozens of nations on four continents using a novel backdoor called GRIDTIDE.
  • The group's modus operandi involves executing malicious commands while disguising its activities as legitimate, allowing it to maintain a low profile.
  • GTIG monitored UNC2814's activities and took coordinated action to disable its infrastructure, including disabling GRIDTIDE backdoor access.
  • The operation marks an important milestone in the fight against state-sponsored cyber espionage and highlights the need for organizations to remain vigilant.



  • Google has been taking steps to counteract a sophisticated cyber espionage group, suspected to be linked to the People's Republic of China (PRC). In a recent move, Google Threat Intelligence Group (GTIG) has disrupted the infrastructure of UNC2814, a suspected PRC-nexus group that has been active since at least 2017. This operation marks an important milestone in the ongoing efforts by global cybersecurity agencies to combat the growing threat of state-sponsored cyber espionage.

    According to reports from GTIG, UNC2814 has been targeted at telecommunications and government organizations across dozens of nations, spanning four continents. The group's modus operandi involves leveraging legitimate Google Sheets API functions through a novel backdoor called GRIDTIDE, which allows it to execute malicious commands while disguising its activities as legitimate. This sophisticated technique has enabled the group to maintain a relatively low profile while still achieving significant gains in terms of intelligence and access.

    The operations conducted by UNC2814 have been characterized by their unique techniques and tools. Unlike other campaigns, such as "Salt Typhoon," which have relied on exploiting product flaws or leveraging existing vulnerabilities, UNC2814 has focused on developing its own custom-made backdoors and exploitation methods. This approach has allowed the group to maintain a level of stealth and evade detection by traditional security measures.

    In recent months, GTIG has been tracking UNC2814's activities, monitoring its movements across various regions and analyzing its tactics, techniques, and procedures (TTPs). The group's efforts have led to a significant disruption of UNC2814's operations, with Google taking coordinated action to disable the group's infrastructure, including disabling GRIDTIDE backdoor access and revoking access to Google Sheets API calls.

    The operation conducted by GTIG is considered a major success, as it demonstrates the organization's ability to track and counter sophisticated cyber espionage campaigns. The disruption of UNC2814's activities has also provided valuable insights into the group's methods and techniques, which can be used by organizations worldwide to enhance their defenses against similar threats.

    In addition to its efforts to disrupt UNC2814, GTIG has refined detection signatures to block GRIDTIDE activity and released indicators of compromise (IOCs) used by the group since 2023. These actions are aimed at empowering organizations to identify and defend against this threat more effectively.

    The global scope of UNC2814's activities underscores the serious threat facing telecommunications and government sectors, as well as the capacity for these intrusions to evade detection by defenders. The operation conducted by GTIG serves as a reminder that state-sponsored cyber espionage remains a significant concern, and organizations must remain vigilant in their efforts to protect themselves against such threats.

    The success of this operation highlights the importance of collaboration between global cybersecurity agencies and organizations in the fight against state-sponsored cyber espionage. By sharing intelligence and best practices, these entities can work together to disrupt the activities of groups like UNC2814 and mitigate the risks posed by these threats.

    In conclusion, Google GTIG's efforts to counteract UNC2814's cyber espionage campaign represent an important milestone in the ongoing struggle against state-sponsored cyber threats. The operation conducted by GTIG serves as a testament to the organization's capabilities in tracking and disrupting sophisticated cyber espionage campaigns, and highlights the need for organizations worldwide to remain vigilant in their efforts to protect themselves against such threats.

    Google Threat Intelligence Group (GTIG) has disrupted the global cyber espionage campaign of UNC2814, a suspected China-linked group that targeted 53 organizations across 42 countries. The operation marks an important milestone in the ongoing fight against state-sponsored cyber espionage and highlights the need for organizations worldwide to remain vigilant in their efforts to protect themselves against such threats.



    Related Information:
  • https://www.ethicalhackingnews.com/articles/Disrupting-the-Shadows-Google-GTIG-Unveils-Efforts-to-Counter-China-Linked-APT-UNC2814s-Global-Cyber-Espionage-Campaign-ehn.shtml

  • Published: Thu Feb 26 04:28:53 2026 by llama3.2 3B Q4_K_M













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