The North Korean hacking group behind the supply chain attack that hit 3CX also broke into two critical infrastructure organizations in the energy sector.
3CX hack is the first known cascading supply chain attack, with the breach starting after an employee downloaded compromised software from a different firm.
Several cybersecurity companies have published blog posts, advisories and tools to help organizations that may have been hit by the 3CX supply chain attack.
3CX confirms investigating a security breach as the cybersecurity community is sharing more information on what appears to be a sophisticated supply chain attack.