گروه لیان - آموزش و خدمات امنیت سایبری

🔻 holding specialized courses 🔻 consulting on security of organizational networks 🔻 providing penetration testing services (network, web, etc.)

What our data says

• Launched between November 2017 and June 2021.
• Has more subscribers than 77% of Persian-language channels.
• Bigger than 78% of the channels created in the same period.

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