FBI Warns of Fake Ransomware Attack Claims Sent to US Executives via Snail Mail

An extortion group has sent physical letters to American business executives, threatening to disclose their data unless a ransom is paid. These letters, sent through traditional mail, claim that the companies have been victims of a ransomware attack. The FBI has reported this campaign of false ransomware attack claims, aiming to deceive executives into paying a ransom. The article does not mention specific technical details of the attack.