Mail.ru 2022

In January 2023 the NLB hacking group claimed responsibility for a significant data breach involving the Russian email service Mail.ru. While initial reports suggested a limited exposure later developments in 2025 revealed a massive database containing approximately 240 million records. The incident highlights vulnerabilities in large scale communication platforms where attackers targeted user identifiers. The leaked information primarily consists of contact details which can be utilized for phishing and social engineering attacks against the affected user base.