Vulnerability Researchers Hit by North Korean Hackers News Highlights: Vulnerability Researchers Hit by North Korean Hackers. Application security, containerization and sandboxing, cybercrime Google warns that social engineering attacks have left researchers’ systems behind Mathew J. Schwartz (euroinfosec) • January 26, 2021 Recommended Tweets used by attackers to demonstrate previous “exploits” they discovered (source: Google) North Korean hackers have “targeted security researchers working on researching and developing vulnerabilities at various companies and organizations” to trick them into installing backdoor software, Google warns Threat Analysis Group. The group’s blog post on Monday describes what it says as a month-long attack campaign that has already claimed multiple victims.