A major data breach at one of South Korea’s top matchmaking services has exposed the sensitive personal information of hundreds of thousands of users—triggering a hefty government fine and renewed concerns over data security.

A cyberattack on a key French government agency may have led to a large-scale data leak.

South Korean e-commerce company Coupang said on Thursday that it had identified an additional data leak involving customer contact information, including names, phone numbers, and addresses.

Georgia’s State Security Service (SSS) has launched a criminal investigation into alleged sabotage and unlawful access to a computer system following a suspected data leak related to a government contract with Russia’s Gazprom, the agency said in a statement.

South Korean police have launched an investigation into a major data breach at e-commerce giant Coupang, after personal information from more than 33 million customers was leaked in what officials describe as the country’s worst cyber incident in over a decade. Authorities are tracing IP addresses and examining security vulnerabilities in Coupang’s systems, following reports that the breach began on June 24 through overseas servers but went undetected until Nov. 18.

Former UK Defence Secretary Sir Grant Shapps defended the government’s decision to impose a two-year superinjunction over a catastrophic Afghan data leak, saying secrecy was essential to prevent targeted killings.

Security researchers have uncovered what may be one of the largest data breaches to date—a cache of 30 databases containing a staggering 16 billion records, according to a new report from Cybernews.