ISSN2320-2882
Impact Factor9.17
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CrossRefDOI
ESTD2013
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AccessOpen
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Paper Title
Intelligent Anomaly Detection and Cyber Defense System
Authors
K. Sri Ram , T. V. V. S. Manikanta , E. A. N. Durga Prasad , P. Rama Krishna , S. S. Saranya
Keywords
Network Intrusion Detection System, Machine Learning, Random Forest, NSL-KDD, Anomaly Detection, Real-Time Traffic Analysis, Shannon Entropy, Cyber Security, DoS Detection, Packet Analysis
Abstract
This paper presents an Intelligent Anomaly Detection and Cyber Defence System -- a real-time Network Intrusion Detection System (NIDS) capable of classifying network traffic into five attack superclasses: Normal, DOS, PROBE, R2L, and U2R. The system implements a dual prediction pipeline architecture: a Legacy Path utilizing full-session feature classification based on the 41-feature NSL-KDD dataset, and an Early-Stage Path enabling fast probabilistic risk scoring derived from 2-second packet aggregation windows. The Early-Stage Path extracts six lightweight behavioral features -- packet count, SYN rate, average packet size, payload entropy, connection attempts, and window duration -- and maps them through either a trained RandomForest classifier or a heuristic risk estimator when the trained model is unavailable. The system is deployed as a Flask-based web application integrated with a Scapy packet capture daemon, a thread-safe producer-consumer architecture, and a real-time browser dashboard with live polling. A training pipeline converts NSL-KDD connection records into synthetic 2-second windows using sliding window aggregation, and a RandomForestClassifier with balanced class weighting is trained on the resulting dataset. Experimental results demonstrate effective detection of DOS and PROBE attacks in real-time, with graceful degradation to heuristic estimation under model-unavailable conditions. The system bridges the gap between offline model training and live network defense, providing a deployable, scalable intrusion detection framework.
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IJCRT — journal style
"Intelligent Anomaly Detection and Cyber Defense System", IJCRT - International Journal of Creative Research Thoughts (www.ijcrt.org), ISSN:2320-2882, Vol.14, Issue 4, page no.c391-c396, April 2026, Available :https://ijcrt.org/papers/IJCRT2604287.pdf
APA — 7th edition
Ram, K. S., Manikanta, T. V. V. S., Prasad, E. A. N. D., Krishna, P. R., & Saranya, S. S. (2026). Intelligent Anomaly Detection and Cyber Defense System. International Journal of Creative Research Thoughts, 14(4), c391-c396. https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287
MLA — 9th edition
Ram, K. Sri, et al. "Intelligent Anomaly Detection and Cyber Defense System." International Journal of Creative Research Thoughts, vol. 14, no. 4, 2026, pp. c391-c396, https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287.
Chicago — 17th, bibliography
Ram, K. Sri, et al. "Intelligent Anomaly Detection and Cyber Defense System." International Journal of Creative Research Thoughts 14, no. 4 (2026): c391-c396. https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287.
Harvard — author–date
Ram, K.S. et al. (2026) 'Intelligent Anomaly Detection and Cyber Defense System', International Journal of Creative Research Thoughts, 14(4), pp. c391-c396. Available at: https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287
IEEE — numbered reference
K. S. Ram, T. V. V. S. Manikanta, E. A. N. D. Prasad, P. R. Krishna and S. S. Saranya, "Intelligent Anomaly Detection and Cyber Defense System," IJCRT, vol. 14, no. 4, pp. c391-c396, Apr. 2026.
Vancouver — biomedical
Ram KS, Manikanta TVVS, Prasad EAND, Krishna PR, Saranya SS. Intelligent Anomaly Detection and Cyber Defense System. IJCRT. 2026 Apr;14(4):c391-c396.
AMA — 11th edition
Ram KS, Manikanta TVVS, Prasad EAND, Krishna PR, Saranya SS. Intelligent Anomaly Detection and Cyber Defense System. IJCRT. 2026;14(4):c391-c396. Accessed at https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287
BibTeX — Zotero, Mendeley, LaTeX
@article{IJCRT2604287,
author = {K. Sri Ram and T. V. V. S. Manikanta and E. A. N. Durga Prasad and P. Rama Krishna and S. S. Saranya},
title = {Intelligent Anomaly Detection and Cyber Defense System},
journal = {International Journal of Creative Research Thoughts},
volume = {14},
number = {4},
pages = {c391-c396},
year = {2026},
month = {April},
issn = {2320-2882},
url = {https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287}
}
RIS — EndNote, RefWorks
TY - JOUR
AU - Ram, K. Sri
AU - Manikanta, T. V. V. S.
AU - Prasad, E. A. N. Durga
AU - Krishna, P. Rama
AU - Saranya, S. S.
TI - Intelligent Anomaly Detection and Cyber Defense System
T2 - International Journal of Creative Research Thoughts
JA - IJCRT
VL - 14
IS - 4
PY - 2026
SN - 2320-2882
UR - https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287
SP - c391-c396
ER -
Issue
Volume 14 Issue 4,
April-2026
Pages : c391-c396
Article Information
- Pages
- c391-c396
- Published
- April 2026
- Registration ID
- IJCRT_305084
- Published Paper ID
- IJCRT2604287
- Research Area
- Science and Technology
- Author Type
- Indian Author
- Location
- Samalkot, Andra Pradesh, India
- Peer Review
- Request Peer Review Report
- Licence
- CC BY 4.0 · Open Access
- ISSN & Impact Factor
- 2320-2882 · IF 9.17
- Downloads
- 134
- Permanent Link
- https://ijcrt.org/viewpaperforall.php?paper=IJCRT2604287
- Published Paper PDF
- https://ijcrt.org/papers/IJCRT2604287.pdf
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International Journal of Creative Research Thoughts
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