Nikhil Tripathi

News

January 2026: 2 papers titled "TPACS: A Novel Trust-Aware Proactive Adaptive Caching Strategy for Named Data Networking" and "AMQP Under Siege: Characterizing and Measuring Slow Rate DoS Attacks" have been accepted at 18th International Conference on COMmunication Systems & NETworkS (COMSNETS) 2026, and its co-located workshops.

August 2025: A paper titled "Adaptive NDN Caching: Leveraging Dynamic Behaviour for Enhanced Efficiency" has been accepted in Journal of Network & Computer Application, Elsevier.

May 2025: A paper titled "Identifying communication sequence anomalies to detect DoS attacks against MQTT" has been accepted in Computers & Security, Elsevier.

Feb 2025: A paper titled "ProxaDyn: A Proximity-aware Dynamic Caching Approach for Named Data Networks" has been accepted in IEEE Transactions on Network Science and Engineering.

Nov 2024: A paper titled "A Statistical Anomaly Detection Approach to Detect Induced Interest Flooding Attacks in NDN" has been accepted at Cyber Security and Privacy workshop being held along with the 17th International Conference on COMmunication Systems & NETworkS (COMSNETS) 2025.

Nov 2024: A paper titled "Leveraging Benford’s Law for Effective Intrusion Detection in MQTT-IoT Networks" has been accepted at the 17th International Conference on COMmunication Systems & NETworkS (COMSNETS) 2025.

Sep 2024: A paper titled "Detecting Interest Flooding Attacks in NDN: A Probability-based Event-driven Approach" has been accepted in Computers & Security, Elsevier.

Publications

CVEs

[1] CVE-2018-8956 for a vulnerability in the NTP protocol. More details here.

Journal Articles

[11] Matta Krishna Kumari, Nikhil Tripathi, "Adaptive NDN Caching: Leveraging Dynamic Behaviour for Enhanced Efficiency", Journal of Network & Computer Applications (Accepted 2025).

[10] Munmun Swain, Nikhil Tripathi, Kamalakanta Sethi, "Identifying communication sequence anomalies to detect DoS attacks against MQTT", Computers & Security (Accepted 2025).

[9] Matta Krishna Kumari, Nikhil Tripathi, Piyush Joshi, "ProxaDyn: A Proximity-aware Dynamic Caching Approach for Named Data Networks", IEEE Transactions on Network Science and Engineering (Accepted 2025).

[8] Matta Krishna Kumari, Nikhil Tripathi, "Detecting Interest Flooding Attacks in NDN: A Probability-based Event-driven Approach", Computers & Security, Elsevier (Accepted 2024).

[7] Nikhil Tripathi, "Delays have Dangerous Ends: Slow HTTP/2 DoS attacks into the Wild and their Real-Time Detection using Event Sequence Analysis", IEEE Transactions on Dependable and Secure Computing, IEEE (Accepted 2023).

[6] Nikhil Tripathi, Neminath Hubballi, "Application Layer Denial-of-Service (DoS) Attacks and Defense Mechanisms: A Survey", ACM Computing Surveys, ACM (Accepted 2021).

[5] Nikhil Tripathi, Neminath Hubballi, "Preventing Time Synchronization in NTP Broadcast Mode", Computers & Security, Elsevier (Accepted 2021).

[4] Nikhil Tripathi, Neminath Hubballi, "Detecting Stealth DHCP Starvation Attack using Machine Learning Approach", Journal of Computer Virology and Hacking Techniques, Springer, 14(3), 2018, Pages 233-244.

[3] Nikhil Tripathi, Neminath Hubballi, "Slow Rate Denial of Service Attacks Against HTTP/2 and Detection", Computers & Security, Elsevier, Vol 72, 2018, Pages 255-272.

[2] Neminath Hubballi, Nikhil Tripathi, "An Event based Technique for Detecting Spoofed IP Packets", Journal of Information Security and Applications, Elsevier, Vol 35, 2017, Pages 32-43.

[1] Neminath Hubballi, Nikhil Tripathi, "A Closer Look into DHCP Starvation Attacks in Wireless Networks", Computers & Security, Elsevier, Vol 65, 2017, Pages 387-404.

Conference Papers (Selected)

[10] Matta Krishna Kumari, Nikhil Tripathi, Piyush Joshi, "TPACS: A Novel Trust-Aware Proactive Adaptive Caching Strategy for Named Data Networking", 18th International Conference on COMmunication Systems & NETworkS (COMSNETS), 2026 (Accepted)

[9] S Kuril, Nikhil Tripathi, M Swain, K Sethi, P Subudhi, "AMQP Under Siege: Characterizing and Measuring Slow Rate DoS Attacks", CSP Workshop at 18th International Conference on COMmunication Systems & NETworkS (COMSNETS), 2026 (Accepted)

[8] Chirag Dhiwar, Matta Krishna Kumari, Nikhil Tripathi, Piyush Joshi, "A Statistical Anomaly Detection Approach to Detect Induced Interest Flooding Attacks in NDN", CSP Workshop at 17th International Conference on COMmunication Systems & NETworkS (COMSNETS), 2025 (Accepted)

[7] Matta Krishna Kumari, Nikhil Tripathi, "An Efficient Content Retrieval and Content Placement Approach for Named Data Networks", 38th International Conference on Information Networking (ICOIN), 2024 (Accepted)

[6] Nikhil Tripathi, Abhijith Kalayil Shaji, "Defer No Time, Delays have Dangerous Ends: Slow HTTP/2 DoS Attacks into the Wild", 14th International Conference on COMmunication Systems & NETworkS (COMSNETS), 2022 (Accepted)

[5] Neminath Hubballi, Amey Kiran Patel, Amit Kumar Meena, Nikhil Tripathi, "Cloud Security Service Level Agreements: Representation and Measurement", 38th IEEE International Conference on Computer Communications Workshops (INFOCOM WKSHPS), 2019 (Accepted)

[4] Nikhil Tripathi, Mayank Swarnkar, Neminath Hubballi, "DNS Spoofing in Local Networks Made Easy", 11th IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS), 2017, pp. 1-6.

[3] Nikhil Tripathi, Neminath Hubballi, "A Probabilistic Anomaly Detection Scheme to Detect DHCP Starvation Attack", 10th IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS), 2016, pp. 1-6.

[2] Nikhil Tripathi, Neminath Hubballi, Yogendra Singh, "How Secure are Web Servers? An Empirical Study of Slow HTTP DoS Attacks and Detection", 11th International Conference on Availability, Reliability and Security (ARES), 2016, pp. 454-463.

[1] Nikhil Tripathi, Neminath Hubballi, "Exploiting DHCP Server-side IP Address Conflict Detection: A DHCP Starvation Attack", 9th IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS), 2015, pp. 1-3. (Honourable Mention with a prize of 100Euros).

Sponsored Projects

• Design and Development of an AI-Driven Offensive Reconnaissance Framework for Proactive Exposure Mapping and Risk Forecasting in India’s Critical Internet Infrastructure
  • Role: PI
  • Duration: 3 years
  • Status: To be started
  • Amount: 4,512,480/- INR
  • Agency: ANRF

• Cyber Commando Training for LEA Officials
  • Role: CI
  • Duration: 0.5 years
  • Status: To be started
  • Amount: 20,040,220/- INR
  • Agency: I4C, Ministry of Home Affairs

• Design and Development of an AI Framework for Detecting State-Sponsored Cyber Attacks Against Critical Government IT Infrastructure
  • Role: PI
  • Duration: 2 years (2025-2027)
  • Status: Ongoing
  • Amount: 1,998,889/- INR
  • Agency: IIT (ISM) Dhanbad

• Secure Drones: Analyze, Deploy and Decide Cryptographic modules in UAVs
  • Role: Co-PI
  • Duration: 3 years (2021-2024)
  • Status: Completed
  • Amount: 3,700,480/- INR
  • Agency: C3iHUB, IHUB NTIHAC Foundation, IIT Kanpur

Research Group (only PGs and PhDs are listed here)

Ph.D. students

[1] Ms. Matta Krishna Kumari (PhD Awarded)

Oct 2022 - Mar 2025

[2] Mr. Mohd. Afzal (Ongoing)

Jul 2025 - present

[3] Mr. Arunish Attri (Ongoing)

Sep 2025 - present

[4] Ms. Suniya Oraon (Ongoing)

Dec 2025 - present

M.Tech. students

[1] Mr. Rajesh Khatri (Ongoing)

July 2026 - present

[2] Ms. Swarnim Mishra (Ongoing)

Jul 2026 - present