Pierluigi Paganini
April 21, 2026
Bluesky suffered a 24-hour DDoS attack that caused outages. A pro-Iran hacker group claimed responsibility for the disruption. Bluesky experienced a sophisticated DDoS attack that disrupted its services for about 24 hours, starting on April 15. Bluesky is a decentralized, open-source microblogging social media platform similar to X (formerly Twitter). It allows users to post […]
Pierluigi Paganini
April 11, 2026
Censys researchers found 5,219 exposed Rockwell PLCs online, mostly in the U.S., urging defenders to secure or disconnect them. On April 7, 2026, U.S. agencies, including FBI, CISA, and NSA, warned of Iran-linked APTs exploiting internet-exposed Rockwell Automation PLCs. Threat actors are carrying out cyberattacks targeting internet-connected operational technology (OT) across multiple critical infrastructure sectors. […]
Pierluigi Paganini
April 08, 2026
U.S. agencies warn Iran-linked threat actors are targeting internet-exposed PLCs used in critical infrastructure networks. U.S. agencies, including the FBI and CISA, warn that Iran-linked hackers are targeting internet-exposed Rockwell/Allen-Bradley PLCs used in critical infrastructure. The agencies published a joint advisory involving multiple federal organizations. “Iran-affiliated advanced persistent threat (APT) actors are conducting exploitation activity […]
Pierluigi Paganini
March 28, 2026
Iran-linked group Handala claims it hacked FBI Director Kash Patel’s personal email, leaking files. The FBI says no government data was exposed. Iran-linked hacking group Handala claims it breached FBI Director Kash Patel’s personal Gmail account and shared alleged data, including photos and files. The FBI confirmed it is aware of the incident and has […]
Pierluigi Paganini
March 23, 2026
Resecurity tracks Iran-linked Nasir Security targeting Middle East energy firms amid ongoing regional cyber and military threats. Resecurity (USA) is tracking a relatively new cybercriminal group called Nasir Security, presumably associated with Iran, that is targeting energy organizations in the Middle East. The energy sector is one of the most impacted areas because of the […]
Pierluigi Paganini
March 23, 2026
Iran-linked actors use Telegram as C2 to spread malware targeting dissidents and journalists, enabling surveillance and data theft. The FBI warns that Iran’s Ministry of Intelligence and Security (MOIS) runs cyber campaigns using Telegram as a command-and-control infrastructure to deliver malware. Threat actors target Iranian dissidents, journalists, and opposition groups worldwide. Once deployed, the malware […]
Pierluigi Paganini
March 18, 2026
Iran war likely prolonged, increasing cyber threats, energy disruption, and instability, with companies in the Middle East facing higher risk. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini (SecurityAffairs – hacking, Iran)
Pierluigi Paganini
March 17, 2026
EU sanctions Chinese and Iranian firms and individuals for cyberattacks targeting critical infrastructure and over 65,000 devices across member states. The Council of the European Union has imposed sanctions on three companies and two individuals linked to cyberattacks against EU countries and partners. “The Council adopted today restrictive measures against three entities and two individuals responsible for cyber-attacks carried […]
Pierluigi Paganini
March 11, 2026
Pro-Palestinian hacktivist group Handala claims a cyberattack on Stryker, alleging it wiped 200,000 systems and disrupted global operations. Pro-Palestinian hacktivist group Handala claims responsibility for a disruptive cyberattack against medical technology firm Stryker. “Medical technology giant Stryker is experiencing a global outage across its systems after a cyberattack early Wednesday. Staff and contractors report that […]
Pierluigi Paganini
March 07, 2026
Researchers observed Iran-linked actors targeting IP cameras across Israel and Gulf countries, likely to support military intelligence and battle damage assessment. According to the Check Point Cyber Security Report 2026, cyber operations are increasingly used to support military activity and battle damage assessment (BDA). During the Israel-Iran tensions, researchers from Check Point Software Technologies observed […]
