California Engineer Identified in Suspected Shooting at White House Correspondents’ Dinner

A 31-year-old engineer and self-described indie game developer is suspected of firing shots at the annual event attended by President Donald Trump, high-profile media figures, and US government officials...

FBI, CISA warn of Russian hackers hijacking Signal and WhatsApp accounts

In a Public Service Announcement PSA the Federal Bureau of Investigation FBI and the Cybersecurity and Infrastructure Security Agency CISA warn the public about ongoing Russian-linked phishing campaigns that aim to gain access to messaging accounts. Earlier this month we wrote about a large‑scale...

​​Spyware Allows Cyber Threat Actors to Target Users of Messaging Applications​

CISA is aware of multiple cyber threat actors actively leveraging commercial spyware to target users of mobile messaging applications apps.1 These cyber actors use sophisticated targeting and social engineering techniques to deliver spyware and gain unauthorized access to a victim’s messaging app...

Iranian Hackers Launch 'SpearSpecter' Spy Operation on Defense & Government Targets

The Iranian state-sponsored threat actor known as APT42 has been observed targeting individuals and organizations that are of interest to the Islamic Revolutionary Guard Corps IRGC as part of a new espionage-focused campaign. The activity, detected in early September 2025 and assessed to be...

CERT-UA Discovers LAMEHUG Malware Linked to APT28, Using LLM for Phishing Campaign

The Computer Emergency Response Team of Ukraine CERT-UA has disclosed details of a phishing campaign that's designed to deliver a malware codenamed LAMEHUG. "An obvious feature of LAMEHUG is the use of LLM large language model, used to generate commands based on their textual representation...

Scammers are using AI to impersonate senior officials, warns FBI

The FBI has issued a warning about an ongoing malicious text and voice messaging campaign that impersonates senior US officials. The targets are predominantly current or former US federal or state government officials and their contacts. In the course of this campaign, the cybercriminals have use...

DDoSecrets Adds 410GB of TeleMessage Breach Data to Index

DDoSecrets indexes 410GB of breached TeleMessage data, including messages and metadata, from hack tied to unsecured Signal clone used by US government officials...

PT-2025-20381 · Telemessage · Telemessage Archiving Backend +1

Name of the Vulnerable Software and Affected Versions: TeleMessage versions prior to 2025-05-05 Description: The TeleMessage archiving backend holds cleartext copies of messages from TM SGNL aka Archive Signal app users, which is different functionality than described in the TeleMessage "End-to-E...

Thai Officials Targeted in Yokai Backdoor Campaign Using DLL Side-Loading Techniques

Thai government officials have emerged as the target of a new campaign that leverages a technique called DLL side-loading to deliver a previously undocumented backdoor dubbed Yokai. "The target of the threat actors were Thailand officials based on the nature of the lures," Nikhil Hegde, senior...

Predator spyware vendor banned in US

The US Treasury Department has sanctioned Predator spyware vendor Intellexa Consortium, and banned the company from doing business in the US. Predator can turn infected smartphones into surveillance devices. Intellexa is based in Greece but the Treasury Department imposed the sanctions because of...

U.S. Cracks Down on Predatory Spyware Firm for Targeting Officials and Journalists

The U.S. Department of Treasury's Office of Foreign Assets Control OFAC sanctioned two individuals and five entities associated with the Intellexa Alliance for their role in "developing, operating, and distributing" commercial spyware designed to target government officials, journalists, and poli...

China-Taiwan Tensions Spark Surge in Cyberattacks on Taiwan

China-Taiwan Tensions Spark Surge in Cyberattacks on Taiwan By Daksh Kapur, Leandro Velasco · May 17, 2023 Figure 1 image from freepik.com “In the past few years, we noticed that geopolitical conflicts are one of the main drivers for cyber-attacks on a variety of industries and institutions...

Paperbug Attack: New Politically-Motivated Surveillance Campaign in Tajikistan

A little-known Russian-speaking cyber-espionage group has been linked to a new politically-motivated surveillance campaign targeting high-ranking government officials, telecom services, and public service infrastructures in Tajikistan. The intrusion set, dubbed Paperbug by Swiss cybersecurity...

Winter Vivern APT Targets European Government Entities with Zimbra Vulnerability

The advanced persistent threat APT actor known as Winter Vivern is now targeting officials in Europe and the U.S. as part of an ongoing cyber espionage campaign. "TA473 since at least February 2023 has continuously leveraged an unpatched Zimbra vulnerability in publicly facing webmail portals tha...

Winter Vivern APT Group Targeting Indian, Lithuanian, Slovakian, and Vatican Officials

The advanced persistent threat known as Winter Vivern has been linked to campaigns targeting government officials in India, Lithuania, Slovakia, and the Vatican since 2021. The activity targeted Polish government agencies, the Ukraine Ministry of Foreign Affairs, the Italy Ministry of Foreign...

Bahamut Cyber Espionage Hackers Targeting Android Users with Fake VPN Apps

The cyber espionage group known as Bahamut has been attributed as behind a highly targeted campaign that infects users of Android devices with malicious apps designed to extract sensitive information. The activity, which has been active since January 2022, entails distributing rogue VPN apps...

Chinese Hackers Target Government Officials in Europe, South America, and Middle East

A Chinese hacking group has been attributed to a new campaign aimed at infecting government officials in Europe, the Middle East, and South America with a modular malware known as PlugX. Cybersecurity firm Secureworks said it identified the intrusions in June and July 2022, once again demonstrati...

DEA Investigating Breach of Law Enforcement Data Portal

The U.S. Drug Enforcement Administration DEA says it is investigating reports that hackers gained unauthorized access to an agency portal that taps into 16 different federal law enforcement databases. KrebsOnSecurity has learned the alleged compromise is tied to a cybercrime and online harassment...

Extortion scheme impersonates government officials, law enforcement

The FBI issued a public warning this week about a fraud scheme wherein scammers impersonate government officials and law enforcement personnel. According to the PSA, the scammers spoof legitimate numbers and names and use fake credentials of well-known members of the government and law enforcemen...

Looking Over the Nation-State Actors’ Shoulders

Looking over the nation-state actors’ shoulders: Even they have a difficult day sometimes By Trellix and Marc Elias · Febraury 17, 2022 Have you ever been curious about how nation-state actors operate and what their day-to-day work looks like? This blog reveals some of these details observed base...