A nation-state-linked hacking group has found a clever way to hide its malicious activity inside Microsoft Outlook mailboxes, making its attacks much harder to detect by standard security tools. The Harvester APT group, believed to be a nation-state-backed threat actor active since at least 2021, has developed a new Linux version of its GoGra backdoor. […] The post Hackers Use Outlook Mailboxes to Hide Linux GoGra Backdoor Communications appeared first on Cyber Security News.