Pierluigi Paganini
August 22, 2025
Microsoft halts PoC exploit sharing with Chinese firms after SharePoint zero-day leaks, giving only written bug details to curb future abuse. Microsoft has reportedly stopped giving Chinese firms proof-of-concept exploit code through its Microsoft Active Protections Program (MAPP) program after July’s mass exploitation of SharePoint flaws, believed linked to a leak of early bug disclosures. […]
Pierluigi Paganini
August 21, 2025
FBI warns FSB-linked group Static Tundra is exploiting a 7-year-old Cisco IOS/IOS XE flaw to gain persistent access for cyber espionage. The FBI warns that Russia-linked threat actor Static Tundra exploits Simple Network Management Protocol (SNMP) and end-of-life networking devices running an unpatched vulnerability (CVE-2018-0171) in Cisco Smart Install (SMI) to target organizations in the […]
Pierluigi Paganini
August 16, 2025
APT group UAT-7237, linked to UAT-5918, targets web infrastructure in Taiwan using customized open-source tools to maintain long-term access. A Chinese-speaking advanced persistent threat (APT) group, tracked as UAT-7237, has been observed targeting web infrastructure entities in Taiwan using customized versions of open-sourced tools with an aim to establish long-term access within high-value victim environments. […]
Pierluigi Paganini
August 02, 2025
China questioned Nvidia over suspected backdoors in its H20 chips, adding to rising tensions in the tech fight between the U.S. and Beijing. China’s internet watchdog has summoned Nvidia over concerns that its H20 AI chips may contain hidden backdoors. Nvidia H20 chips are AI GPUs tailored for the Chinese market, based on Hopper architecture. […]
Pierluigi Paganini
August 01, 2025
Storm-2603 group exploits SharePoint flaws and uses a custom C2 framework, AK47 C2, with HTTP- and DNS-based variants named AK47HTTP and AK47DNS. Check Point Research is tracking a ToolShell campaign exploiting four Microsoft SharePoint flaws, linking it to China-nexus groups APT27, APT31, and a new cluster, Storm-2603. The researchers pointed out that Storm-2603’s goals remain […]
Pierluigi Paganini
July 31, 2025
Russia-linked Secret Blizzard targets foreign embassies in Moscow via ISP-level AitM attacks, deploying custom ApolloShadow malware. Microsoft researchers uncovered a cyberespionage campaign by the Russia-linked APT group Secret Blizzard (aka Turla, Snake, Uroburos, Waterbug, Venomous Bear and KRYPTON) targeting foreign embassies in Moscow. The threat actor uses an adversary-in-the-middle (AiTM) method at the ISP level to deploy custom malware called ApolloShadow. This […]
Pierluigi Paganini
July 28, 2025
China-linked group Fire Ant exploits VMware and F5 flaws to stealthily breach secure systems, reports cybersecurity firm Sygnia. China-linked cyberespionage group Fire Ant is exploiting VMware and F5 vulnerabilities to stealthily access secure, segmented systems, according to Sygnia. Since early 2025, the group has targeted virtualization and networking infrastructure, primarily VMware ESXi and vCenter environments. […]
Pierluigi Paganini
July 26, 2025
Arizona woman gets 8 years for helping North Korea-linked threat actors to infiltrate 309 U.S. firms with fake IT jobs. Christina Marie Chapman (50) from Arizona, was sentenced to 102 months in prison for aiding North Korean IT workers in infiltrating 309 U.S. companies. She pleaded guilty to charges including aggravated identity theft, conspiracy to […]
Pierluigi Paganini
July 25, 2025
Operation CargoTalon targets Russia’s aerospace and defense sectors with EAGLET malware, using TTN documents to exfiltrate data. SEQRITE Labs researchers uncovered a cyber-espionage campaign, dubbed Operation CargoTalon, targeting Russia’s aerospace and defense sectors, specifically Voronezh Aircraft Production Association (VASO), via malicious TTN documents. “Товарно-транспортная накладная” (TTN) is a “goods and transport invoice” or “consignment note” used […]
Pierluigi Paganini
July 23, 2025
Microsoft linked SharePoint exploits to China-nexus groups Linen Typhoon, Violet Typhoon, and Storm-2603, active since July 7, 2025. Microsoft confirmed that China-linked groups Linen Typhoon, Violet Typhoon, and Storm-2603 exploited SharePoint flaws for initial access as early as July 7, 2025. “As of this writing, Microsoft has observed two named Chinese nation-state actors, Linen Typhoon […]
