Bogus Extortion Letters Sent to Organizations by 'BianLian' Group

Extortion letters mimicking typical ransom demands have been sent via postal mail to various organizations. These letters threaten to delete or disclose compromised data unless payments are made, although none of the targeted organizations have experienced active ransomware attacks. The letters are attributed to the group 'BianLian,' known for its extortion tactics. The targeted organizations have not been specifically identified in the article.