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FBI Warns Law Firms of Luna Moth’s Stealthy Phishing Campaign

May 27, 2025
Data Breach / Social Engineering

The FBI has issued a warning regarding a series of social engineering attacks targeting law firms, attributed to a criminal group known as Luna Moth. This campaign has been ongoing for the past two years, utilizing IT-themed social engineering calls and callback phishing emails to gain remote access to devices and steal sensitive information for extortion purposes. Also referred to as Chatty Spider, Silent Ransom Group (SRG), Storm-0252, and UNC3753, Luna Moth has been active since at least 2022, primarily employing a tactic called callback phishing, or Telephone-Oriented Attack Delivery (TOAD), to deceive users into calling phone numbers found in seemingly innocuous phishing emails related to invoices and subscription payments. Notably, Luna Moth is the same hacking group responsible for the previous BazarCall campaigns that deployed ransomware such as Conti.

Czech Republic Accuses China-Linked APT31 Hackers in 2022 Cyberattack on Foreign Ministry

May 28, 2025
Cybersecurity / Cyber Espionage

On Wednesday, the Czech Republic officially charged a threat actor connected to the People’s Republic of China (PRC) with a cyber intrusion targeting its Ministry of Foreign Affairs. In a public announcement, the government revealed that it identified China as responsible for a malicious campaign affecting one of the Ministry’s unclassified networks. The full scope of the breach remains unclear. “The malicious activity […] began in 2022 and impacted an institution designated as critical infrastructure in the Czech Republic,” the statement said. The attack has been linked to the state-sponsored group APT31, which overlaps with threat clusters known as Altaire, Bronze Vinewood, Judgement Panda, PerplexedGoblin, RedBravo, Red Keres, and Violet Typhoon (formerly Zirconium). This hacking group, publicly associated with the Ministry of State Security (MSS) and the Hubei State Security Department, has been active since at least 2010, according to the U.S. Department of…