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SWARM INTELLIGENCE MAY BE JUST THE TICKET FOR IMPROVED NETWORK & DEVICE SECURITY

Based on the reaction of a single insect in a swarm, messages are passed along
peer to peer, and an entire environment can respond without a central leader
processing data and giving orders.
Morey Haber
CTO and CISO, BeyondTrust
November 18, 2021
Source: Andreas Häuslbetz via Alamy Stock Photo
PDF


The motion of bees, ants, and other insects looking for food and protecting
their colony from attacks involves complex peer-to-peer communications with no
centralized command and control. Insects use a variety of communication methods,
from auditory sounds to chemicals, in order to transmit messages to peers,
conveying a message and spreading information about a situation.



Once the message is passed and acknowledged (in some form) by others in the
"swarm," a decentralized mission is formed to manage the situation. Based on the
reaction of just one insect in the swarm, and the passing of messages to others
in a peer-to-peer fashion, an entire environment can react without the need of a
central leader processing data and giving orders. This is a foreign concept to
most people who are accustomed to a hierarchy of authority, but it's a crucial
development in understanding a potential modern approach to cybersecurity.

In the last few years, the world has embraced a massive digital transformation,
moving to the cloud. With this metamorphosis, new technology has led to an
explosion of Internet and cloud-enabled devices. The use cases for these devices
range from personal digital assistants to home appliances and are classified as
Internet of Things (IoT).



In 1989, the term "swarm intelligence" was coined by Gerardo Beni and Jing Wang
based on basic artificial intelligence models using self-organized and
decentralized systems. Then in 2019, researchers at Glasglow Caledonian
University and COMSATS University in Pakistan developed a model that could
potentially protect the Internet and cloud resources from cyberattacks. The
attack method was presented at the IEEE's China Emerging Technologies Conference
and is derived from an artificial bee colony (ABC) and a random neural network
(RNN).



To mitigate IoT cloud threats, an ABC algorithm is a swarm intelligence model
that uses AI to simulate the searching behavior of honeybees and applies the
concepts to solve real-world computational problems. To make this work, an RNN
is applied to the ABC model using machine learning based on the behavior of
biological neural networks in the human brain.

"In this paper, an anomaly-based intrusion detection scheme is proposed that can
protect sensitive information and detect novel cyber-attacks," the researchers
noted in their paper. "The artificial bee colony (ABC) algorithm is used to
train the random neural network (RNN) based system (RNN-ABC)".

The researchers trained their intrusion detection model based on ABC and RNN
using a dataset that was used to establish algorithms to detect a cyberattack
and contained a large quantity of Internet traffic data for training and
analysis. After priming their RNN-ABC, the researchers carried out a sequence of
assessments to measure its performance in identifying and quantifying
cyberattacks.



The research produced findings that were highly effective in classifying new
attacks with an astonishing accuracy of 91.65%. The researchers also concluded
that the model's accuracy in classifying cyberattacks was greater when the
"colony" size of its ABC swarm intelligence was larger. Therefore, a greater
number of "artificial bees" contributing to the model improved the overall
confidence in the solution. With the increasing number of IoT devices present on
the Internet and connecting to the cloud, the potential increase in using these
devices as a part of a swarm to identity a potential threat can ultimately lead
to mitigating the risk. So, how do we pull this all together?

First, and most importantly, swarm intelligence needs a large colony size to
enable devices that can communicate information and process relevant data for
the swarm versus just network traffic alone. With the increasing presence of IoT
devices that have a simple behavioral model, this is possible. 

Second, we need a mesh-style Internet protocol that allows a reliable method for
the devices to communicate and provide information to the ABC-RNN model and each
other. This large-scale, peer-to-peer protocol does not yet exist at the time of
writing this article. 

Third, the ABC-RNN model needs rules, policies, and output that can classify any
findings in human-readable, actionable results and for machine-to-machine
automation. Technology like STIX and TAXII have begun to embrace and address
this type of problem but fall short for peer-to-peer communications at scale
(requirement No. 2). Finally, there is cloud security. The trust of data being
processed in the model must be reliable and accurate or the entire system can be
abused.

The purpose of swarm intelligence is to create a new method for determining the
risk of cyberattacks via an untraditional method. This concept, using something
new, innovative, and potentially highly reliable, is what the cloud needs for
protection versus traditional methods migrated to the cloud. While you consider
the protection you need for the cloud, sometimes you need to think outside of
the box. Swarm intelligence is just one potential method and, realistically, if
you read this 10 years from now, it might be the de facto method for protecting
the cloud and/or IoT devices.

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