#messaging


Large-scale DDoS attacks disrupted Threema secure messaging service

Aug 16, 2026 // 23:37

Multiple distributed denial-of-service (DDoS) attacks targeted the Threema secure messaging service earlier this week, causing severe disruptions to communications. ​Organizations using Threema On-Prem did not […]

Large-scale DDoS attacks disrupted Threema secure messaging service

Aug 16, 2026 // 23:37

Multiple distributed denial-of-service (DDoS) attacks targeted the Threema secure messaging service earlier this week, causing severe disruptions to communications. ​Organizations using Threema On-Prem did not […]

Ukraine Says Russian Intelligence Used Fake Support Texts to Steal Messaging Credentials

Jun 30, 2026 // 02:55

The Security Service of Ukraine (SSU) said it, together with the U.S. Federal Bureau of Investigation (FBI), uncovered a long-running campaign orchestrated by Russian intelligence […]

Malicious Edge extension abuses Native Messaging as bridge to malware

Jun 25, 2026 // 00:16

A malicious Microsoft Edge extension dubbed ‘Edgecution’ has been used in a ransomware attack to escape the browser sandbox and deploy a Python-based backdoor. Access […]

French govt messaging service breached in account hijacking attack

Jun 9, 2026 // 14:17

DINUM, the digital affairs directorate of the French government, warned that hackers used a hijacked user account to breach Tchap, the French government’s encrypted messaging platform. […]

iOS 26.5 Brings Default End-to-End Encrypted RCS Messaging Between iPhone and Android

May 12, 2026 // 10:18

Apple on Monday officially released iOS 26.5 with support for end-to-end encryption (E2EE) to Rich Communication Services (RCS) in beta as part of a “cross-industry […]