Dhiraj Sharan

Dhiraj Sharan
Dhiraj is the founder and CEO of Query.AI. He is an innovator and expert developer with 18 years of problem solving and solutions development in cybersecurity including over 10 patents. He has lead engineering for companies like ArcSight, HPE, Niara and Aruba.
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Recent Posts

Looking further into Machine Learning using Python

Posted by Dhiraj Sharan on Mar 3, 2020 8:45:00 AM

Introduction

Welcome back! Earlier, we had covered the basics of getting started with machine learning and Python. (Here is that blog if you missed that: DataScience & Machine Learning: Where to start with Python) The current blog will take the next step and introduce some ML (Machine Learning) concepts and algorithms.

Since we are going to use Python, we will stick to the sklearn Python library as our choice.

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Topics: Machine Learning, Python, Unsupervised Learning, Supervised Learning

Data Security - Threats and Challenges in today's world

Posted by Dhiraj Sharan on Feb 4, 2020 11:59:45 AM

Abstract

In this blog series, we cover topics relevant to folks who are starting a career in cybersecurity. If you are one, you probably have had some exposure to cybersecurity best-practices in your personal life from a consumer perspective. Starting a cybersecurity career then challenges you to bridge your existing knowledge to your work life, and then expand it further to be an effective cybersecurity professional. In this first blog, we talk about some of the threats and challenges in today’s world that intertwine our personal and professional lives.

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Topics: Threat Detection, Cyber Security, Digital Footprint, Internet of Things, Iot

Alexa + Watson + Tableau + Slack

Posted by Dhiraj Sharan on Jan 2, 2020 9:49:30 AM

What does this have to do with my IT & Cybersecurity log analysis

Introduction

Cyber threats are accelerating by leaps and bounds in frequency and sophistication. At the same time, the cybersecurity skills shortage is growing, a projected 1.8 million empty positions by 2022. Artificial Intelligence(AI) will have a pivotal role to play to halt these growing problems.

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Topics: AI for Security, Machine Learning, Artificial Intelligence, Cyber Security, Splunk, Elastic

Basics of Applied Natural Language Processing (NLP)

Posted by Dhiraj Sharan on Dec 12, 2019 2:32:17 PM

Introduction

This article serves as a gentle introduction to natural language processing and how it makes life better.

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Topics: Introduction, Artificial Intelligence, Cyber Security, Natural Language Processing, NLP

Get To Know Query.AI

Posted by Dhiraj Sharan on Dec 4, 2019 12:11:47 PM

In the world of cyber warfare, cybersecurity threats to businesses are accelerating by leaps and bounds. They are fast and often out pacing organizations ability to prepare. According to a early 2019 Internet Security Threat Report published by Symantec, a single misconfigured cloud infrastructure could result in loss of millions or could create a compliance nightmare for the organization such as that of GDPR – General Data Protection Regulation.

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Topics: Threat Detection, Artificial Intelligence, Cyber Security, Splunk, Elastic

DataScience & Machine Learning: Where to start with Python

Posted by Dhiraj Sharan on Dec 3, 2019 11:01:06 AM

Introduction

In this blog, we will talk about how you can use Python for practical applications of Data Science and Machine Learning. If you are looking for basic machine learning concepts, I would suggest reading this previous introductory blog and then coming back here.

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Topics: Machine Learning, Introduction, Artificial Intelligence, Python