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Rivaldi, Rivaldi
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Journal : Journal of Technology and Computer (JOTECHCOM)

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Event-Driven Intrusion Detection and Response Automation Using n8n Workflow Platform Alfarizi, Nauval; Rivaldi, Rivaldi
Journal of Technology and Computer Vol. 3 No. 1 (2026): February 2026 - Journal of Technology and Computer
Publisher : PT. Technology Laboratories Indonesia (TechnoLabs)

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Abstract

This study introduces a server security monitoring system that uses events to detect SSH brute-force attacks. It uses automatic log analysis and sends real-time alerts. To test how well the system works, an experiment was conducted simulating attacks against an SSH service (port 22) without a firewall. Three different situations were tested: normal access, detecting unusual activity, and high-stress attacks. Under normal conditions, the system saw very little traffic: 233 packets, an average of 19 packets per second, and 38 kbps, indicating little impact and no false alarms. As the attacks grew more intense, network traffic increased significantly, reaching 96,997 packets and 76.5 MB of data during high-stress attacks, with an average speed of 1,132 kbps. All 500 brute-force attempts were found and recorded. By combining automated workflows with real-time Telegram alerts, administrators can get timely warnings. The results show that the system is effective, can handle large amounts of data, and is dependable for real-time SSH attack detection and server security monitoring.
Co-Authors Agustiani, Herlina Alamsyah, Dodi Saftian Alfarizi, Nauval Arina, NurFathil Maula Azzahra, Restu Nur Desi Fitriani Desy Lusiyanti Dika, Riri Putri Efendi, Ivan Imam Efendi, Ivan Imam Efendi Elsa Tri Mukti Elviani, Elsa Fitria Nurulaeni Hakim, Ikmal Handayani, Siti Maulida Handrina, Emi Kamalia, Nasywaa Kartini, Dede Sri Kusuma, Doddie Arya Maming, Rian Mawahdah, Adinda Olivia Mawahdah,, Adinda Olivia Misbahuddin Misbahuddin Mulyani, Sitti Rizki Nabila, Baiq Salwa Nouf Neneng Yani Yuningsih Nuranida, Siti Nurmala, Hafizhah Pratama, Alwi Pratiwi, Belinda Sagitha Putra, Rio Andhika Rahayu, Delia Putri Rahman, Syaeful Ramdani Bayu Putra Rina Ratianingsih Romli, Muhamad Sapar Sapar Suhendro, Yoga Pratama Wa Ode Salma Wahyudi Wahyudi Yani, Apwa Nurafni Yohan Husnira, Ridho