16 November 2023

  • Russian threat actors allegedly orchestrated the "largest cyber attack against Danish critical infrastructure," targeting 22 companies associated with the country's energy sector in May 2023.
  • The attack, involving 22 successful simultaneous cyberattacks, represents a significant and uncommon threat to critical infrastructure in Denmark.

  • The ALPHV/BlackCat ransomware operation files a complaint with the U.S. Securities and Exchange Commission against a victim who failed to disclose a cyberattack within the stipulated four-day rule.
  • This marks a new level of extortion tactics employed by ransomware groups, using regulatory bodies to pressure victims for non-compliance.

  • Samsung Electronics notifies customers of a data breach that exposed their personal information to an unauthorized individual, affecting UK store customers.

  • Microsoft addresses a known issue causing blue screens and boot failures in Windows Server 2022 virtual machines deployed on VMware ESXi hosts through a fix in its updates.

  • Citrix releases hotfixes for vulnerabilities affecting Citrix Hypervisor, including one addressing the high-severity "Reptar" flaw impacting Intel CPUs used in desktop and server systems.

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