Cyber warfare

Pierluigi Paganini August 02, 2026
CISA Urges Utilities to Remove Internet-Exposed PLCs After Minnesota Attacks

After attacks hit 30+ Minnesota water systems, CISA urged utilities to remove internet-exposed PLCs and strengthen OT security. Between Sunday and Monday, July 26 and 27, a coordinated cyberattack hit operational technology (OT) systems at more than 30 community water utilities across the state, according to Minnesota IT Services (MNIT). “A coordinated cyberattack targeted operational technology […]

Pierluigi Paganini July 31, 2026
South Korea Warns of State-Backed Watering Hole Attacks

South Korea warned that nation-state actors are using phishing and compromised websites to silently infect citizens and businesses. South Korea agencies (The National Intelligence Service, the National Police Agency, the Korea Internet & Security Agency, and the Financial Security Institute) jointly published an advisory warning that a state-backed hacking group is actively targeting South Korean […]

Pierluigi Paganini July 26, 2026
Hackers Hijack Hotel Wi-Fi to Steal Microsoft 365 Credentials

Hackers compromised hotel Wi-Fi gateways to redirect users to fake Microsoft 365 login pages and steal credentials. ReliaQuest’s threat research team just documented attackers compromising the Wi-Fi gateways at hotels and conference centers, then quietly rerouting guests toward fake Microsoft login pages. No phishing email required. No malicious attachment. Just bad luck about which hotel […]

Pierluigi Paganini July 25, 2026
Iran-Linked Actors Breach Are Targeting US Water and Energy Control Systems

US agencies warn Iran-linked actors are targeting internet-exposed water and energy control systems, risking disruption. Federal agencies updated their cybersecurity advisory this week: Iran-linked actors are inside American water and energy control systems, and they’re not just looking around. They’re changing things. The updated advisory from CISA, the FBI, NSA, and the Department of Energy […]

Pierluigi Paganini July 24, 2026
UAC-0099 Is Now Hiding Malware Inside a Fake Notepad++ Plugin to Target Ukrainian Organizations

UAC-0099 delivers malware via a fake Notepad++ plugin after phishing, using a loader that sabotages itself if run without the correct arguments to hinder analysis. CERT-UA published a new advisory attributing a phishing campaign to UAC-0099, a Russia-aligned threat actor active since at least mid-2022 and previously known for exploiting WinRAR vulnerabilities and using phishing […]

Pierluigi Paganini July 20, 2026
Dutch Intelligence Warns Russia Uses Hacked IP Cameras for Military Espionage

Dutch intelligence says Russia hacks IP cameras to monitor NATO military logistics and weapons shipments to Ukraine. The Netherlands’ AIVD and MIVD, the civilian and military intelligence services, published a joint advisory on July 10 confirming that at least one Russian intelligence service is systematically compromising internet-connected IP cameras across the Netherlands, other EU and […]

Pierluigi Paganini July 13, 2026
EU Targets FSB-Linked Hackers in New Sanctions Over Cyber Sabotage

EU sanctions target nine people and four entities tied to Russia’s FSB over a 15-year cyberespionage and critical infrastructure sabotage campaign. The European Union imposed sanctions on Monday targeting nine individuals and four entities linked to a Russian cyberespionage and sabotage operation that Brussels says has been running since 2010. The targets include Russian military […]

Pierluigi Paganini June 26, 2026
Chinese APT CL-STA-1062 Expands Attacks on Southeast Asian Critical Infrastructure With Custom Malware

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 […]

Pierluigi Paganini June 10, 2026
Russian APTs Still Exploiting Patched WinRAR Flaw CVE-2025-8088

Despite a 2025 patch, Russian-linked groups still exploit a WinRAR flaw (CVE-2025-8088) to deploy malware via phishing archives. CVE-2025-8088 is a path traversal flaw in WinRAR that lets an attacker write files outside the extraction directory using NTFS Alternate Data Streams. WinRAR fixed it in version 7.13 in July 2025. Nearly a year later, Trend […]

Pierluigi Paganini June 04, 2026
Gamaredon Uses WinRAR Vulnerability to Launch Modular Spy Campaign on Ukrainian Targets

Gamaredon exploits a WinRAR flaw to drop modular, nearly fileless malware on Ukrainian targets, hiding payloads in Windows streams and resolving C2s via Telegram. Sekoia’s Threat Detection & Research team dropped a YARA rule in late December 2025 to hunt for new initial access vectors, and by January 2026 it had already generated a dozen […]