In April, South Korea’s telco giant SK Telecom (SKT) was hit by a cyberattack that led to the theft of personal data on approximately 23 million customers, equivalent to almost half of the country’s 52 million residents.
At a National Assembly hearing in Seoul on Thursday, SKT chief executive Young-sang Ryu said about 250,000 users have switched to a different telecom provider following the data breach. He said he expects this number to reach 2.5 million, more than tenfold the current amount, if the company waives cancellation fees.
Read more…
Source: techCrunch News
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- Andariel evolves to target South Korea with ransomware
June 15, 2021
In April 2021, we observed a suspicious Word document with a Korean file name and decoy. It revealed a novel infection scheme and an unfamiliar payload. While we were doing our research into these findings, Malwarebytes published a nice report with technical details about the same series of attacks, which they attributed to the Lazarus ...
- GandCrab ransomware affiliate arrested for phishing attacks
March 9, 2021
A suspected GandCrab Ransomware member was arrested in South Korea for using phishing emails to infect victims. The GandCrab ransomware operation started in January 2018 when it quickly became a malware empire threatening businesses worldwide. Operated as a Ransomware-as-a-Service (RaaS), the GandCrab developers teamed up with affiliates in a revenue share partnership, with affiliates earning between 70-80% ...
- North Korean hackers launch RokRat Trojan in campaigns against the South
January 7, 2021
A North Korean hacking group is utilizing the RokRat Trojan in a fresh wave of campaigns against the South Korean government. The Remote Access Trojan (RAT) has been connected to attacks based on the exploit of a Korean language word processor commonly used in South Korea for several years; specifically, the compromise of Hangul Office documents ...
- Lazarus malware strikes South Korean supply chains
November 16, 2020
Lazarus malware has been tracked in new campaigns against South Korean supply chains, made possible through stolen security certificates. On Monday, cybersecurity researchers from ESET revealed the abuse of the certificates, stolen from two separate, legitimate South Korean companies. Lazarus, also known as Hidden Cobra, is an umbrella term for select threat groups — including offshoot entities ...
- Internet Explorer and Windows zero-day exploits used in Operation PowerFall
August 12, 2020
In May 2020, Kaspersky technologies prevented an attack on a South Korean company by a malicious script for Internet Explorer. Closer analysis revealed that the attack used a previously unknown full chain that consisted of two zero-day exploits: a remote code execution exploit for Internet Explorer and an elevation of privilege exploit for Windows. Unlike ...