Latest cybersecurity reporting from selected sources.

The U.S. offers up to $10M for information on Russian hackers targeting Signal and WhatsApp accounts of officials and journalists. The U.S. government is offering rewards of up to $10 million for information leading to the identification of members of the Russian-linked groups UNC5792 and UNC4221. The hackers target government officials, military personnel, journalists, and […]

Cyber Advisory Cites Abuse of Linked Devices to Monitor Sensitive CommunicationsThe U.S cyber defense agency issued an alert outlining how commercial spyware and state-aligned groups are abusing messaging-app features through malicious QR-based linking and zero-click exploitation to monitor U.S. government, military and other high-profile figures.

In May 2025, the U.S. government sanctioned a Chinese national for operating a cloud provider linked to the majority of virtual currency investment scam websites reported to the FBI. But more than a month later, the accused continues to openly operate accounts at a slew of American tech companies, including Facebook, Github, LinkedIn, PayPal and Twitter/X.

The U.S. House of Representatives has banned the installation and use of WhatsApp on government-issued devices belonging to congressional staff, citing concerns over how the app encrypts and secures data. [...]

The U.S. House of Representatives has formally banned congressional staff members from using WhatsApp on government-issued devices, citing security concerns