APT28’s Stealthy Multi-Stage Campaign Leveraging CVE‑2026‑21509 and Cloud C2 Infrastructure

APT28’s Stealthy Multi-Stage Campaign Leveraging CVE‑2026‑21509 and Cloud C2 Infrastructure By Pham Duy Phuc and Alex Lanstein · February 4, 2026 Updated February 9, 2026: This analysis has been updated to clarify malware naming conventions. Introduction Russian state-sponsored threat group APT28...

Chinese Hackers RedNovember Target Global Governments Using Pantegana and Cobalt Strike

A suspected cyber espionage activity cluster that was previously found targeting global government and private sector organizations spanning Africa, Asia, North America, South America, and Oceania has been assessed to be a Chinese state-sponsored threat actor. Recorded Future, which was tracking...

Asylum Ambuscade: A Cybercrime Group with Espionage Ambitions

The threat actor known as Asylum Ambuscade has been observed straddling cybercrime and cyber espionage operations since at least early 2020. "It is a crimeware group that targets bank customers and cryptocurrency traders in various regions, including North America and Europe," ESET said in an...

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...

New BOLDMOVE Backdoor uses FortiOS vulnerability for initial access

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A suspected China-nexus campaign has exploited a vulnerability in Fortinets FortiOS SSL-VPN, known as CVE-2022-42475. The exploitation was believed to have occurred as early as October 2022 and the targe...

Chinese Hackers Exploited Recent Fortinet Flaw as 0-Day to Drop Malware

A suspected China-nexus threat actor exploited a recently patched vulnerability in Fortinet FortiOS SSL-VPN as a zero-day in attacks targeting a European government entity and a managed service provider MSP located in Africa. Telemetry evidence gathered by Google-owned Mandiant indicates that the...

Weekly Threat Digest: 4 – 10 April 2022

For a detailed threat digest, download the pdf file here Published Vulnerabilities Interesting Vulnerabilities Active Threat Groups Targeted Countries Targeted Industries ATT&CK TTPs 438 3 3 53 16 54 The second week of April 2022 witnessed the discovery of 438 vulnerabilities out of which 3 gaine...

Phishing Campaign Targeted Those Aiding Ukraine Refugees

Cyberattackers used a compromised Ukrainian military email address to phish EU government employees who’ve been involved in managing the logistics of refugees fleeing Ukraine, according to a new report. Ukraine has been at the center of an unprecedented wave of cyberattacks in recent weeks and...

Hackers Try to Target European Officials to Get Info on Ukrainian Refugees, Supplies

Details of a new nation-state sponsored phishing campaign have been uncovered setting its sights on European governmental entities in what's seen as an attempt to obtain intelligence on refugee and supply movement in the region. Enterprise security company Proofpoint, which detected the malicious...

The SolarWinds Hackers Used an iOS Flaw to Compromise iPhones

Security researchers say the group exploited a zero-day in Apple’s operating system to target European government officials over LinkedIn...

OnionDuke APT Malware served through Tor Network

The malicious Russian Tor exit node, which was claimed to be patching binary files, is actually distributing a malware program to launch cyber-espionage attacks against European government agencies. The group behind the rogue Tor exit node had likely been infecting files for more than a year,...

Effects full version Windows: iSIGHT surveillance espionage found Windows latest 0day vulnerabilities-vulnerability warning-the black bar safety net

the iSIGHT in Russian cyber-espionage discovered to affect all versions of Windows System with the latest 0day vulnerabilities, vulnerability number CVE-2 0 1 4-4 1 1 4, At present, Microsoft is the emergency of the vulnerability of making the patch. ! Yesterday, Microsoft partners iSIGHT Partner...