28 November 2023

  • Ukraine's Defense Ministry claims to have hacked Russia's Federal Air Transport Agency ('Rosaviatsia'), exposing alleged vulnerabilities in Russia's aviation sector.

  • North Korean threat actors modify tactics, employing RustBucket droppers to deploy KANDYKORN malware, identified by SentinelOne.
  • Observations show tactics blending from different macOS malware strains.

  • Microsoft is discontinuing Defender Application Guard for Office and the Windows Security Isolation APIs, recommending alternatives.
  • Suggests utilizing Defender for Endpoint attack surface reduction rules, Protected View, and Windows Defender Application Control.

  • Law enforcement, in collaboration with Europol and Eurojust, arrests core members of a ransomware group in Ukraine.
  • The group is linked to attacks on organizations across 71 countries.

  • "Ethyrial: Echoes of Yore" MMORPG hit by a ransomware attack, leading to the deletion of 17,000 player accounts and their in-game progress.

  • Henry Schein faces a second cyberattack by the BlackCat/ALPHV ransomware gang, compromising their network for the second time in a month.

  • Ardent Health Services, operating hospitals across six states, faces system disruption following a ransomware attack.

  • Slovenian power company HSE encounters a ransomware attack affecting its systems but doesn't disrupt electric power production.



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