Leaked chats show Russian extortion gang sending ‘agents’ into US law firms

News digest covering Russian-linked extortion activity targeting U.S. law firms, suspected data exposure at two South Korean megachurches, ad-fraud malware preinstalled on inexpensive Android phones, evolving Russian-aligned malware targeting Ukrainian transportation, manufacturing and energy organizations, and a Ukrainian drone strike disrupting a Yandex data center in Russia. The items describe significant cybercrime, espionage, supply-chain malware and geopolitical disruption, but do not provide enough technical detail to identify specific vulnerabilities.