Telegram

Pierluigi Paganini March 30, 2026
It’s a mystery … alleged unpatched Telegram zero-day allows device takeover, but Telegram denies

A critical Telegram flaw could allow zero-click remote code execution on devices, but Telegram denies it. Researcher Michael DePlante (@izobashi) of TrendAI Zero Day disclosed a new Telegram vulnerability through Zero Day Initiative (ZDI). The vulnerability, tracked as ZDI-CAN-30207 (CVSS score of 9.8) allows attackers to execute code on targeted devices without any user interaction. […]

Pierluigi Paganini March 23, 2026
Iran-linked actors use Telegram as C2 in malware attacks on dissidents

Iran-linked actors use Telegram as C2 to spread malware targeting dissidents and journalists, enabling surveillance and data theft. The FBI warns that Iran’s Ministry of Intelligence and Security (MOIS) runs cyber campaigns using Telegram as a command-and-control infrastructure to deliver malware. Threat actors target Iranian dissidents, journalists, and opposition groups worldwide. Once deployed, the malware […]

Pierluigi Paganini March 22, 2025
Zero-day broker Operation Zero offers up to $4 million for Telegram exploits

Russian zero-day broker Operation Zero is looking for exploits for the popular messaging app Telegram, offering up to $4 million for them. Operation Zero, a Russian zero-day broker, is offering up to $4 million for Telegram exploits, the news was first reported by Tech Crunch. The Russian firm seeks up to $500K for one-click RCE, […]

Pierluigi Paganini February 17, 2025
New Golang-based backdoor relies on Telegram for C2 communication

Netskope Threat Labs researchers discovered a Golang-based backdoor using Telegram for C2 communication, possibly of Russian origin. Netskope Threat Labs found a Golang-based backdoor using Telegram for C2. The malware, still in development but functional, exploits cloud apps to evade detection. The experts believe the new Go backdoor could have a Russian origin. Upon executing […]

Pierluigi Paganini January 02, 2025
Russian media outlets Telegram channels blocked in European countries

Telegram restricted access to Russian state-owned news channels in several European countries, including Poland, France, and Italy. Telegram blocked access to channels of multiple Russian state-owned news outlets across Europe, including Italy, Poland, Czechia, Belgium, France, the Netherlands, Greece, and Latvia. Some blocked Russian media outlets are RIA Novosti, NTV, Rossiya 1, and Rossiyskaya Gazeta.  Visitors are presented with […]

Pierluigi Paganini October 29, 2024
Russia-linked espionage group UNC5812 targets Ukraine’s military with malware

Suspected Russia-linked espionage group UNC5812 targets Ukraine’s military with Windows and Android malware via Telegram. Google TAG and Mandiant observed a Russia-linked group, tracked as UNC5812, targeting Ukraine’s military with Windows and Android malware via the Telegram channel “Civil Defense.” The Telegram channel was created on September 10, 2024 and at this time has 189 […]

Pierluigi Paganini October 03, 2024
Telegram revealed it shared U.S. user data with law enforcement

Telegram fulfilled over a dozen U.S. law enforcement data requests this year, potentially revealing the IP addresses or phone numbers of 100+ users. Independent website 404 Media first revealed that in 2024 Telegram has fulfilled more than a dozen law enforcement data requests from the U.S. authorities. The social media platform “potentially revealed” that it […]

Pierluigi Paganini September 24, 2024
Telegram will provide user data to law enforcement in response to legal requests

Telegram will provide user data to law enforcement agencies in response to valid legal requests, according to a recent policy update Telegram has updated its privacy policy informing users that it will share users’ phone numbers and IP addresses with law enforcement in response to valid legal requests. The company CEO Pavel Durov announced the […]

Pierluigi Paganini September 21, 2024
Ukraine bans Telegram for government agencies, military, and critical infrastructure

Ukraine’s NCCC banned the Telegram app for government agencies, military, and critical infrastructure, due to national security concerns. Ukraine’s National Coordination Centre for Cybersecurity (NCCC) has banned the Telegram messaging app on government agencies, military, and critical infrastructure, due to national security concerns. The ban does not affect Ukrainian citizens. On September 19, Ukraine announced […]

Pierluigi Paganini August 29, 2024
Telegram CEO Pavel Durov charged in France for facilitating criminal activities

French prosecutors charged CEO Telegram Pavel Durov with facilitating various criminal activities on the messaging platform. French prosecutors have formally charged Telegram CEO Pavel Durov with facilitating various criminal activities on the platform, including the spread of child sexual abuse material (CSAM), enabling organized crime, illicit transactions, drug trafficking, and fraud. The authorities announced a […]