WhatsApp is a technology platform tracked across 50 threat clusters and 524 intelligence report mentions on ThreatCluster. First observed October 29, 2025; most recent activity July 17, 2026.
The US Department of State has announced a reward of up to $10 million for information on two Russian-linked hacking groups, UNC5792 and UNC4221, accused of phishing attacks on Signal and WhatsApp users. These groups…
German federal prosecutors have launched an investigation into a series of phishing attacks targeting politicians, military personnel, and journalists using the Signal messaging app. The attacks have reportedly…
On July 14, 2026, the US Justice Department unsealed an indictment against three Russian nationals—Alexander Volosovik, Kirill Zatolokin, and Yulia Pankova—accused of operating bulletproof hosting services that…
In March 2026, the WhatsApp accounts of a federal MP and three staffers were compromised in a phishing attack believed to be orchestrated by a foreign state actor, likely Russia. The attack involved hackers requesting…
Ahead of Armenia's parliamentary elections on June 7, 2026, Russia is reportedly employing various tactics to undermine the electoral process. Disinformation campaigns, cyberattacks, and illicit political financing are…
Russian-backed hackers have launched a global cyber campaign aimed at compromising Signal and WhatsApp accounts of officials, military personnel, and journalists. The Dutch intelligence agencies, AIVD and MIVD, issued…
The FBI and CISA have issued a warning regarding a phishing campaign by Russian intelligence services targeting Signal users to steal Backup Recovery Keys. This escalation allows attackers to access victims' historical…
A hack-for-hire operation has been uncovered targeting journalists and activists across the Middle East and North Africa, particularly focusing on Egyptian and Lebanese individuals. The campaign, attributed to a group…
In early 2025, WhatsApp alerted 90 users, primarily journalists and activists in Europe, that they had been targeted by Paragon Solutions, an Israeli spyware firm. Shortly after, Apple notified iOS users of similar…
WhatsApp has filed a federal court contempt order against NSO Group for allegedly violating a permanent injunction that prohibits the spyware firm from targeting its users. The Meta-owned messaging platform disrupted…