Ioannis Stais
AeroLeads people directory · profile

Ioannis Stais Email & Phone Number

Director of Organization Security Testing services at CENSUS S.A. at CENSUS
Location: Greece, Greece, Greece 12 work roles 2 schools
LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 100%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Director of Organization Security Testing services at CENSUS S.A.
Location
Greece, Greece, Greece
Company size

Who is Ioannis Stais? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Ioannis Stais is listed as Director of Organization Security Testing services at CENSUS S.A. at CENSUS, a company with 34 employees, based in Greece, Greece, Greece. AeroLeads shows a matched LinkedIn profile for Ioannis Stais.

Ioannis Stais previously worked as Director of Organization Security Testing services at Census and Head of Organization Security Testing, Technical Project Manager at Census. Ioannis Stais holds Master Of Science (Msc), Computer Systems Technology, 9,67/10 (Ects A - Excellent - First-Class Honours) from Ethnikon Kai Kapodistriakon Panepistimion Athinon / University Of Athens.

Company email context

Email format at CENSUS

This section adds company-level context without repeating Ioannis Stais's masked contact details.

CENSUS

Review company-level records connected to Ioannis Stais before choosing the right outreach path.

Profile bio

About Ioannis Stais

Ioannis Stais is a senior IT security researcher and Director of Organization Security Testing at CENSUS S.A., a company that builds on strong research foundations to offer specialized cybersecurity services to customers worldwide. Ioannis has participated in more than 100 security assessment projects, including red teaming, the assessment of communication protocols, web and mobile banking services, NFC payment systems, ATMs/POS, critical medical appliances and MDM solutions. He holds a Master's degree in Computer Systems Technology from the University of Athens. His research currently focuses on the development of machine learning algorithms for improving vulnerability research, the enhancement of fuzzing frameworks and exploration of the current threats in mobile and web applications. He has presented in the past in security conferences such as Black Hat Europe, Troopers and Security BSides Athens. Ioannis is also one of the lead authors of "Practical IoT Hacking: The Definitive Guide to Attacking the Internet of Things" book by No Starch Press

Listed skills include Linux, Programming, C, Java, and 22 others.

Current workplace

Ioannis Stais's current company

Company context helps verify the profile and gives searchers a useful next step.

CENSUS
Census
Director of Organization Security Testing services at CENSUS S.A.
athens, attiki, greece
Website
Employees
34
AeroLeads page
12 roles

Ioannis Stais work experience

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

Director Of Organization Security Testing Services

Current

Athens, Attiki, Greece

Jul 2023 - Present

Head Of Organization Security Testing, Technical Project Manager

Athens, Attiki, Greece

Lead and oversee:- Tiger Team- Red Teaming- Penetration Testing- Web Application Penetration Testing- Mobile Applications, Client-side Software, MDM Testing- Network and Cloud Infrastructure Testing- Social Engineering- Physical Security Testing

Apr 2022 - Jun 2023

Head Of Red Teaming, Technical Project Manager

A. Syggrou 128, 11745, Athens, Greece

- Lead and oversee the Penetration Testing and the Red Teaming Operations.- Technical Project Manager on Security Assessments.

Dec 2018 - Mar 2022

Senior It Security Researcher

Ioannou Gkoura 16, Postcode: 54352 Thessaloniki, Greece

Design and Analysis of Security Protocols and Architectures.Propose Secure Design Guidelines for Application Architects.Code Auditing.Mobile Devices, Mobile Apps and MDM Solutions Security Auditing.Penetration Testing in Information Infrastructures.Staff Security Awareness Training.

Jan 2013 - Dec 2018

Intern

Ioannou Gkoura 16, Postcode: 54352 Thessaloniki, Greece

Code Auditing.Penetration Testing in information infrastructures.

Oct 2012 - Dec 2012

Lead Book Author

Lead author of "Practical IoT Hacking" book.

Oct 2018 - Sep 2020

Researcher

Panepistimioupolis, Ilisia Postcode: 157 84 Athens, Greece

Controlling Data Movement in the Digital Age: The research activity focuses on the development of a new generation of enabling cryptographic technologies that have the power to facilitate the appropriate controls for data movement. Using the techniques developed in this project it will be feasible to build digital content distribution systems where content.

Sep 2016 - Mar 2017

External Contractor

Enisa - European Union Agency For Network And Information Security

Science And Technology Park Vassilika Vouton, 700 13 Heraklion Greece

Analysis and grouping of the current mobile development principlesIdentification of potential new rising challenges in mobile securityUpdate of Mobile Development Guideline paper

Jun 2016 - Oct 2016

Application Security Officer

Greek Academic Network (Gunet)

University Of Athens - Network Operation Center Panepistimioupoli Ilissia

Code Auditing, Security Review and Improvement Proposals for the Security Mechanisms of Open eClass E-Learning Platform and Open Courses National Portal.Design of Open eClass E-Learning Platform Web Defense Model and Secure PHP Coding Guidelines for Developing Defensible GUnet Applications.Writing Secure Code Staff Training.

Oct 2013 - Oct 2015

Seasonal Consultant

Mesogion 56, 115 27, Athens

Penetration Testing

Oct 2012 - Dec 2012

Graduate Teaching Assistant (Gta)

National And Kapodistrian University Of Athens, Department Of Informatics And Telecommunications

Panepistimioupolis, Ilisia Postcode: 157 84 Athens, Greece

Teaching Assistant in Discrete Mathematics, Fall Semester 2011Teaching Assistant in Computer Security, Spring Semester 2012Teaching Assistant in Discrete Mathematics, Fall Semester 2012

Dec 2011 - Dec 2012
Team & coworkers

Colleagues at CENSUS

Other employees you can reach at census-labs.com. View company contacts for 34 employees →

2 education records

Ioannis Stais education

FAQ

Frequently asked questions about Ioannis Stais

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

What company does Ioannis Stais work for?

Ioannis Stais works for CENSUS.

What is Ioannis Stais's role at CENSUS?

Ioannis Stais is listed as Director of Organization Security Testing services at CENSUS S.A. at CENSUS.

Where is Ioannis Stais based?

Ioannis Stais is based in Greece, Greece, Greece while working with CENSUS.

What companies has Ioannis Stais worked for?

Ioannis Stais has worked for Census, Census S.A., No Starch Press, National And Kapodistrian University Of Athens, and Enisa - European Union Agency For Network And Information Security.

Who are Ioannis Stais's colleagues at CENSUS?

Ioannis Stais's colleagues at CENSUS include Polykarpos Papaspiliopoulos, Sanjay Chaphe, Toma George, Deborah Hiner, and Dimitra Danai Bogdanou.

How can I contact Ioannis Stais?

You can use AeroLeads to view verified contact signals for Ioannis Stais at CENSUS, including work email, phone, and LinkedIn data when available.

What schools did Ioannis Stais attend?

Ioannis Stais holds Master Of Science (Msc), Computer Systems Technology, 9,67/10 (Ects A - Excellent - First-Class Honours) from Ethnikon Kai Kapodistriakon Panepistimion Athinon / University Of Athens.

What skills is Ioannis Stais known for?

Ioannis Stais is listed with skills including Linux, Programming, C, Java, C++, Mysql, Php, and Software Engineering.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Ioannis Stais you were looking for.

View similar profiles