Russian telecom giant Rostelecom investigates suspected cyberattack on contractor

Silent Crow claims to have breached a contractor for Russian telecom Rostelecom and published a dump of thousands of customer emails and phone numbers; Rostelecom and the Ministry of Digital Development are investigating and say no highly sensitive subscriber or state-portal data appears to have been exposed. The report places this incident among several recent attacks on Russian organizations and notes claims by various hacker groups, but includes few technical indicators or confirmed impact details.