India, May 3 -- The U.S. Government has warned against a new tactic the North Korean cyber group known as Kimsuky is deploying to enhance its social engineering and hacking efforts targeting think tanks, academic institutions, non-profit organizations, and members of the media.

A Cybersecurity Advisory issued by the Department of State, the Federal Bureau of Investigation, and the National Security Agency says Pyongyang's exploitation of improperly configured DNS Domain-based Message Authentication, Reporting, and Conformance (DMARC) record policies allows the authoritarian regime to spoof legitimate email sender domains in order to conceal spearphishing attempts more effectively.

Kimsuky, a cyber group within the North Korean military in...