PHP Vulnerability Responses by Company

SK Telecom Co., Ltd.

Companies / web services
Aliases / services
SKテレコム / SK Telecom / SKT / SK텔레콤 / SK Telecom Co., Ltd.
Official website
https://www.sktelecom.com/
Sources identifying the operating company

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Mobile services and SIM authentication data

Response status
Not listed
Response information checked
2026-10-29

Current re-audit: Related incident verified; PHP connection not stated · Research date: 2026-10-29

Following the 2025 incident, the 4 July notice describes automatic SIM protection, FDS 2.0 and SIM replacement/reset measures. These are not a remediation notice for the current PHP vulnerabilities.

Scope: A PHP connection and response to the current PHP vulnerabilities are not listed.

What users should do

Confirm SIM replacement/reset eligibility and procedures through official channels. Do not assume time-limited 2025 benefits remain valid or start actions from suspicious messages.

Official service URL

Source URLs

  1. Post-incident customer protection, 4 July 2025https://www.sktelecom.com/en/press/press_detail.do?currentPage=1&idx=1638Service and operation documentation
Related official sources
  1. Official operator identityOfficial information directoryLegal name and operator checked.
  2. Post-incident customer protection, 4 July 2025Official notice; link to this PHP incident unconfirmedVerifies the named service at the notice date; not evidence of remediation for the current PHP vulnerabilities.

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