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Massive Data Breaches Expose Billions, as Critical Zero-Days in Apple and Google Products See Active Exploitation

Massive Data Breaches Expose Billions, as Critical Zero-Days in Apple and Google Products See Active Exploitation

December 15, 2025
7 articles (7 new)
21 min read

Summary

This cybersecurity brief for December 15, 2025, covers a series of high-impact incidents. A colossal 16TB unsecured MongoDB database exposed 4.3 billion professional records, creating a massive risk for social engineering. Concurrently, a data breach at fintech firm 700Credit impacted 5.6 million individuals, exposing sensitive PII including Social Security numbers. Tech giants Apple and Google are racing to patch actively exploited zero-day vulnerabilities, with CISA adding one to its KEV catalog. Other critical threats include a newly discovered ransomware group named 'Gentlemen', an actively exploited flaw in Sierra Wireless routers affecting critical infrastructure, and a CVSS 10.0 vulnerability in an Apache Tika dependency impacting numerous Atlassian products.

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