The largest data breach in 2025: 16 billion certificates involved, and large-scale leaks have become a normal threat – Passionategeekz

Passionategeekz June 20th news, technology media cybernews released a blog post yesterday (June 19th), reporting that it had discovered the largest data breach in 2025, involving 30 databases, totaling 16 billion login credentials.

The researchers stressed that the current data found far exceeds previous records, and new data sets emerge every few weeks, indicating that infostealers have been abused by hackers, involving social media, corporate platforms, virtual private networks and developer portals.

This type of malware allows attackers to penetrate almost all online platforms such as Apple, Facebook, and services by collecting structured data such as structured data such as URLs, login names and passwords.

The leaked data includes information stealing program logs, voucher filling data and reorganization of leaked information, and about half of the data set names are directly marked with the source. For example: a database containing 455 million records is marked as “Russian source” and a database-related telegram platform containing 60 million records.

Although duplicate records exist between datasets, its structured characteristics significantly improve attack success rates. Researchers warn that companies that lack multi-factor authentication will face higher risks, with attackers only needing a 1% success rate to exceed tens of millions of accounts, and then commit crimes such as identity theft and financial fraud.

Passionategeekz quoted a blog post and introduced that previous similar incidents include the “largest data breach in history” in 2024 (26 billion records) and the “RockYou2024” password set leak in 2023 (nearly 10 billion records).Shows that large-scale data breaches have become a normal threat。

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