Latest cybersecurity reporting from selected sources.

Chinese-speaking APT CL-STA-1062 targeted Southeast Asian government and energy networks open-source tools, and a new TinyRCT backdoor. Palo Alto Networks Unit 42 researchers published a detailed report on a Chinese-speaking threat actor, tracked as CL-STA-1062, that has been running persistent operations across East Asia since at least March 2022 and shifted focus to Southeast Asian […]

A Chinese-speaking advanced persistent threat (APT) actor has been linked to a new custom backdoor called TinyRCT as part of cyber attacks aimed at government entities and critical infrastructure in Southeast Asia

A China-linked threat group has been targeting critical infrastructure in Southeast Asia with a new custom backdoor called TinyRCT

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy

A China-linked espionage group hid inside North American medical, academic, and military research networks for more than a year, quietly stealing sensitive research and defense email

Who is knocking at the Dohdoor? Digital intruders with possible links to North Korea have been infecting US education and healthcare sectors with a never-before-seen backdoor since at least December, according to security researchers.…

A previously undocumented threat activity cluster has been attributed to an ongoing malicious campaign targeting education and healthcare sectors in the U.S. since at least December 2025

The group targets telecoms, critical infrastructure - all the usual high-value orgs Security researchers have attributed the Notepad++ update hijacking to a Chinese government-linked espionage crew called Lotus Blossom (aka Lotus Panda, Billbug), which abused weaknesses in the update infrastructure to gain a foothold in high-value targets by delivering a newly identified backdoor dubbed Chrysalis.…

Chinese-Linked Malware Campaign Targets Critical Environments With Weak MonitoringU.S. and Canadian cyber authorities say Chinese state-backed actors used a backdoor dubbed BRICKSTORM to maintain long-term access into critical infrastructure, exploiting VMware environments to exfiltrate credentials and evade detection through encrypted covert channels.

The threat actor, of unknown origin, is deploying a proprietary backdoor malware known as "Sagerunex" against critical infrastructure in Hong Kong, Philippines, Taiwan, and Vietnam.

The US Cybersecurity and Infrastructure Security Agency (CISA) is warning that Contec CMS8000 devices, a widely used healthcare patient monitoring device, include a backdoor that quietly sends patient data to a remote IP address and downloads and executes files on the device. [...]

Secret Blizzard Used Third-party Amadey Bots to Hack Ukrainian Military DevicesA Russian state-backed hacker group used third-party data-stealing bots and possibly a backdoor used by another Russia-based threat group to infiltrate and spy on devices used by frontline Ukrainian military units, according to a report from the Microsoft threat intelligence team.

Stealthy Backdoor Publicly Available on GitHub Can Be Weaponized for Larger AttacksGodzilla webshell, a Chinese-language backdoor known for its stealth and ability to execute commands and manipulate files, is now publicly available on GitHub, and federal authorities have issued a stern warning to the healthcare sector to prepare for this threat and inevitable cyberattacks.

An attack dubbed "WordDrone" that uses an old flaw to install a backdoor could be related to previously reported cyber incidents against Taiwan's military and satellite industrial supply chain.

Cybersecurity researchers have shed light on a new phishing campaign that has been identified as targeting people in Pakistan using a custom backdoor

Kapeka Shows Similarities to Russian GRU Hacking Group's GreyEnergy MalwareLikely Russian military intelligence hackers known as Sandworm since at least mid-2022 have deployed a new and highly flexible back door against Eastern European targets, warn security researchers. Security firm WithSecure dubs the backdoor "Kapeka."

The Iranian threat actor known as Charming Kiten has been linked to a new wave of attacks targeting different entities in Brazil, Israel, and the U.A.E. using a previously undocumented backdoor named Sponsor

An unknown threat actor has been linked to a cyber attack on a power generation company in South Africa with a new variant of the SystemBC malware called DroxiDat as a precursor to a suspected ransomware attack

A set of five security vulnerabilities have been disclosed in the Terrestrial Trunked Radio (TETRA) standard for radio communication used widely by government entities and critical infrastructure sectors, including what's believed to be an intentional backdoor that could have potentially exposed sensitive information

SideWinder, a prolific nation-state actor mainly known for targeting Pakistan military entities, compromised the official website of the National Electric Power Regulatory Authority (NEPRA) to deliver a tailored malware called WarHawk