Mashhad Security | دورهمی امنیت مشهد is a public Telegram group — anyone can join without invitation. Your phone number is never visible to other members unless you've made it public in your Telegram privacy settings. You can leave at any time with a single tap.

No. Telegram never notifies your contacts when you join or leave a group. Other members inside Mashhad Security | دورهمی امنیت مشهد can see your username only if you post — your membership is not visible to anyone outside the group.

Mashhad Security | دورهمی امنیت مشهد is a Telegram group for anyone interested in education and networking. Members can expect regular discussions on security and knowledge, along with events to research.

We verify every listing is publicly accessible, has a minimum member count, and exclude groups Telegram has marked as harmful. Mashhad Security | دورهمی امنیت مشهد currently has 172 members, last verified 24 May 2026. If you've joined Mashhad Security | دورهمی امنیت مشهد and noticed something suspicious — a review on this page helps others stay safe.