Telegram Leaks 2026: What Was Exposed, How It Happens & How to Stay Safe

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Telegram leaks refer to private data, messages, or media exposed from Telegram accounts, groups, or channels without authorization. Over 500 million user records have been scraped and sold since 2020. Here’s what was exposed, how it keeps happening, and what you can do about it.

Major Telegram Leaks and Incidents (2020–2026)

The 2024 arrest of Telegram CEO Pavel Durov in France put a spotlight on Telegram’s content moderation practices, but it wasn’t a data breach. The bigger data risk has always been the 2020-2021 phone number scraping — that data is still circulating and being repackaged.

How Telegram Leaks Happen

Phone Number Scraping

Telegram’s “People Nearby” feature and contact syncing were exploited to scrape phone numbers linked to accounts. In 2020-2021, over 500 million user records were compiled and sold on dark web forums phone numbers, usernames, and account IDs, enough to cross-reference with other breaches.

Telegram has since restricted People Nearby, but the scraped data is already circulating and being repackaged repeatedly.

Malicious Bots

Third-party bots added to Telegram groups can silently forward messages to unauthorized parties. Any bot with admin privileges sees all group messages. Group admins often add utility bots without auditing what permissions they grant. Audit your group bots regularly.

Account Compromise via SIM Swapping

SIM swapping lets an attacker take over your phone number, then take over your Telegram account via SMS verification. Once in, all regular (non-secret) chats are accessible. Secret chats are device-bound and can’t be read this way — that’s why Secret Chat mode matters.

Public Group Member Scraping

Joining a public Telegram group exposes your username and user ID to anyone who can pull the member list via the API. Scrapers collect these at scale and cross-reference with other databases. If your username is the same across platforms, your Telegram account can be linked to your other accounts.

Is Telegram Actually Private?

Regular Telegram chats are NOT end-to-end encrypted by default. They’re stored on Telegram’s servers and accessible to Telegram employees or through legal requests. Only “Secret Chats” use end-to-end encryption with no server copy.

For group chats, there is no end-to-end encryption option at all. Every message in every group is stored server-side indefinitely unless manually deleted.

Telegram vs Signal vs WhatsApp: Privacy Comparison

Signal is the gold standard for private messaging. Telegram wins on features and group size it handles 200,000-member groups and broadcast channels, which Signal can’t match. Use the right tool for the job: Signal for private conversations, Telegram for community features.

How to Protect Yourself from Telegram Leaks

• Enable two-step verification — Settings > Privacy and Security > Two-Step Verification. This stops SIM-swap attacks from working.
• Hide your phone number — Settings > Privacy > Phone Number > Nobody
• Use Secret Chats for sensitive conversations — end-to-end encrypted, device-bound, no server copy
• Review active sessions — Settings > Privacy > Active Sessions — terminate anything you don’t recognize
• Audit group bots — remove bots you didn’t add or don’t recognize
• Use a unique username — don’t reuse your username from other platforms
• Check haveibeenpwned.com — enter your phone number or email to see if you’re in known breach databases

Telegram Leaks 2026 — Stats Only (2020–2026)

• Estimated exposed accounts (combined historical leaks): 361M+
• Largest phone/user scraping datasets: 15M – 42M+ users per incident
• Infostealer credential records circulating via Telegram: billions of logs
• Telegram active user base: 800M+ users
• Cybercrime-related channels/groups activity: millions of users involved globally
• Malicious content rate in analyzed leak channels: 28% – 38%
• Daily takedown actions (channels/groups): 80,000 – 140,000 per day
• Private group leak exposure: varies (thousands to millions per case)
• SIM-swap / account takeover incidents: thousands per year
• Coverage period: 2020–2026 (ongoing incidents)

Was Your Data Leaked?

If you had a Telegram account before 2021, your phone number is likely in the scraped databases. Check haveibeenpwned.com with your phone number (use international format: +1XXXXXXXXXX). The 2021 Telegram scrape is indexed there.

Even if it is, your options are limited you can’t remove data from breach databases. What you can do is set your Telegram privacy settings to limit future exposure and enable two-step verification to protect your account.

Frequently Asked Questions

Is Telegram safe to use in 2026?

Telegram is generally safe for messaging if you use its privacy settings properly, but regular chats are not end-to-end encrypted by default (only Secret Chats are).

How to enable 18+ content in Telegram?

To enable 18+ content on Telegram, you need to disable content filtering in Privacy & Security settings (often only available via the web or desktop version due to app store restrictions).

How to stay safe with Telegram?

You can stay safe by enabling two-step verification, avoiding unknown links, using Secret Chats, and adjusting privacy settings to limit who can contact you.

Can police track Telegram?

Police generally cannot read end-to-end encrypted Secret Chats, but they may access account data, metadata, or messages if stored in the cloud or obtained through legal requests.

Are Telegram messages private?

Regular Telegram chats are stored on Telegram’s servers and are not end-to-end encrypted. Only Secret Chats are fully private. Group chats have no end-to-end encryption option — all messages are stored server-side.

Was my data leaked in the Telegram breach?

If you had a Telegram account before 2021, your phone number and username are likely in scraped databases. Check haveibeenpwned.com with your phone number in international format to see if your data appears in known breach records.

Can Telegram read my messages?

Telegram can technically access regular chat messages — they’re stored on Telegram’s servers. Secret Chats are end-to-end encrypted and inaccessible to Telegram. Telegram’s privacy policy states they don’t share data with third parties except under court orders.

How do I check if my Telegram account was hacked?

Go to Settings > Privacy and Security > Active Sessions. Review all logged-in devices and locations. Terminate any session you don’t recognize immediately, then enable two-step verification to prevent future unauthorized access.

Is Signal safer than Telegram?

Yes, for private messaging. Signal uses end-to-end encryption by default on all chats including groups. Telegram only encrypts Secret Chats. For security-sensitive conversations, Signal is the better choice. Telegram is better for large groups and broadcast channels.

Is it safe to share personal information on Telegram?

Not in regular chats or groups. Use Secret Chats for anything sensitive. Never share financial information, passwords, or ID documents in regular Telegram messages — they’re stored server-side indefinitely unless manually deleted.

The post Telegram Leaks 2026: What Was Exposed, How It Happens & How to Stay Safe first appeared on Cryptsy and is written by Ethan Blackburn