Stephan John
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Stephan John Email & Phone Number

Senior Consultant at EY
Location: Chennai, Tamil Nadu, India 5 work roles 1 school
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✓ Verified July 2026 3 data sources Profile completeness 86%

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Current company
EY
Role
Senior Consultant
Location
Chennai, Tamil Nadu, India
Company size

Who is Stephan John? Overview

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Quick answer

Stephan John is listed as Senior Consultant at EY, a with 296502 employees, based in Chennai, Tamil Nadu, India. AeroLeads shows a matched LinkedIn profile for Stephan John.

Stephan John previously worked as Consultant at Ey and Associate Consultant at Ey. Stephan John holds Bachelor Of Technology - Btech, Information Technology from Jeppiaar Institute Of Technology.

Company email context

Email format at EY

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EY

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Profile bio

About Stephan John

Stephan John is a highly skilled Techie with strong problem-solving skills at Ernst & Young LLP has gained expertise in various areas of cybersecurity, including:• Web application vulnerability assessment and penetration testing (WAPT/VAPT): identified and exploited vulnerabilities in web applications from various sectors like e-commerce platforms, banking websites, and other web applications.• Mobile application vulnerability assessment and penetration testing (MAPT): assessed the security of mobile applications on both iOS and Android platforms, identified vulnerabilities in mobile banking and e-commerce applications, and provided recommendations for remediation.• Network penetration testing: performed both internal and external network penetration testing for clients in various industries.• Asset discovery and OSINT projects: conducted asset discovery and open-source intelligence (OSINT) projects to identify publicly available sensitive information about the client employee and provide recommendations for securing the client's systems.• Security architecture review: conducted security architecture reviews for clients in the banking sector, evaluated their application architecture, and provided recommendations for improving their security posture.• Wireless penetration testing: identifying vulnerabilities in wireless networks using various tools like Aircrack-ng and Wireshark to perform wireless penetration testing and providing recommendations for securing the wireless networks.Please feel free to connect with me via 🌐LinkedIn

Current workplace

Stephan John's current company

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EY
Ey
Senior Consultant
london, greater london, united kingdom
Website
Employees
296502
AeroLeads page
5 roles

Stephan John work experience

A career timeline built from the work history available for this profile.

Senior Consultant

Current
Ey

India

Oct 2024 - Present

Consultant

Ey

Chennai, Tamil Nadu, India

Oct 2022 - Oct 2024

Associate Consultant

Ey

Chennai, Tamil Nadu, India

Feb 2022 - Oct 2024

Associate Security Engineer

Oct 2020 - Jan 2022
Team & coworkers

Colleagues at EY

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1 education record

Stephan John education

  • Jeppiaar Institute Of Technology
    Jeppiaar Institute Of Technology
    Information Technology
FAQ

Frequently asked questions about Stephan John

Quick answers generated from the profile data available on this page.

What company does Stephan John work for?

Stephan John works for EY.

What is Stephan John's role at EY?

Stephan John is listed as Senior Consultant at EY.

Where is Stephan John based?

Stephan John is based in Chennai, Tamil Nadu, India while working with EY.

What companies has Stephan John worked for?

Stephan John has worked for Ey, Auriseg, and Defsecone Consulting And Technologies Pvt Ltd.

Who are Stephan John's colleagues at EY?

Stephan John's colleagues at EY include Barbara Godek, Nygil Joseph, Nitish Kulkarni, Amit Goyal, and Michele Paolo D'Angelo.

How can I contact Stephan John?

You can use AeroLeads to view verified contact signals for Stephan John at EY, including work email, phone, and LinkedIn data when available.

What schools did Stephan John attend?

Stephan John holds Bachelor Of Technology - Btech, Information Technology from Jeppiaar Institute Of Technology.

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