SK Telecom Hack Exposes Millions
On April 19, 2025, SK Telecom, South Korea's largest mobile carrier, was hacked, compromising USIM data of 34 million users—half the country’s market. The breach, caused by malware, raised concerns about SIM-swapping, where criminals could hijack phone numbers to access accounts.
What Happened?
Hackers exploited malware to access sensitive data. While misuse hasn’t been confirmed, risks remain high.
SK Telecom’s Actions:
- Removed malware, isolated systems.
- Investigated with authorities.
- Offered free SIM replacements to 23 million users.
Key Takeaway: Cybersecurity is essential for telecom providers and individuals alike. Strong defenses and vigilance are critical in an age of escalating cyber threats.
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