Dimitris Karetsos
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Dimitris Karetsos Email & Phone Number

Cyber Security Architecture & Operations Manager | MSc | GCPN | OSCP | CEH | ISO 27001 at QUALCO
Location: Pallíni, Attiki, Greece 11 work roles 3 schools
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Role
Cyber Security Architecture & Operations Manager | MSc | GCPN | OSCP | CEH | ISO 27001
Location
Pallíni, Attiki, Greece
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Dimitris Karetsos is listed as Cyber Security Architecture & Operations Manager | MSc | GCPN | OSCP | CEH | ISO 27001 at QUALCO, a with 308 employees, based in Pallíni, Attiki, Greece. AeroLeads shows a matched LinkedIn profile for Dimitris Karetsos.

Dimitris Karetsos previously worked as Cyber Security Manager at Qualco and Senior Security Architect - Application Security Lead at Alpha Bank. Dimitris Karetsos holds 588|Cloud Penetration Testing, Computer And Information Systems Security/Information Assurance from Sans Technology Institute.

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Email format at QUALCO

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QUALCO

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About Dimitris Karetsos

MSc,Offensive Security Certified Professional (OSCP),Certified Ethical Hacker (CEH), ISO 27001 Lead Auditor

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Dimitris Karetsos's current company

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QUALCO
Qualco
Cyber Security Architecture & Operations Manager | MSc | GCPN | OSCP | CEH | ISO 27001
athens, attiki, greece
Website
Employees
308
AeroLeads page
11 roles

Dimitris Karetsos work experience

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

Cyber Security Manager

Current

Greece

Oct 2024 - Present

Senior Security Architect - Application Security Lead

Greece

● Provide technical leadership throughout the design process and guidance with regards to practices,procedures and techniques on security in software development matters.● Design the cybersecurity and information security architecture of the Bank’s infrastructures.● Prepare the cybersecurity specifications and define the cybersecurity and information security protectionmechanisms, in collaboration with the competent Units.● Supervise the security solutions for systems and applications, in collaboration with the competent Units.● Participate in the stages of the new systems development cycle and ensure that they comply with thecybersecurity and information security requirements.● Improve and support application security tool deployments including static analysis and runtime testing tools.● Develop and maintain software application security policies and procedures● Provide technical leadership, guidance, and direction to the application security team● Implement software application security controls● Integrate security tools, standards, and processes into the product life cycle

Feb 2024 - Oct 2024

Senior Security Architect

Greece

● Design the cybersecurity and information security architecture of the Bank’s infrastructures. ● Prepare the cybersecurity specifications and define the cybersecurity and information security protection mechanisms, in collaboration with the competent Units. ● Supervise the security solutions for systems and applications, in collaboration with the competent Units.● Cooperate with the IT Units for the effective protection of the information resources (systems, networks, data etc.) and for the planning and implementation of actions, with the aim of ensuring their smooth operation and optimal efficiency (capacity planning).● Participate in the stages of the new systems development cycle and ensure that they comply with the cybersecurity and information security requirements.● Participate in the Bank’s digital transformation projects in order to ensure compliance with the cybersecurity and information security requirements.● Monitor and keep abreast of the international trends and developments in security technologies in order to continuously improve and strengthen the cybersecurity and the information security of the Group.

Sep 2023 - Feb 2024

Senior Security Architect & Engineer | Deputy Head

Greece

● Acting as Deputy Head of Cyber Security Architecture and Engineering for half a year.● Supervise and support the design of Security Architecture and propose technical security solutions in line with the agreed Security Architecture of the Company● Prepare and document security hardening guidelines & technical processes in cooperation with the Head of Security Architecture & Engineering● Supervise MSSP and ensure security incident response readiness, monitoring, alerts, integrations and use-case creation.● Supervise and perform vulnerability testing, security assessments and penetration tests● Design vulnerability assessments & analyze the results● Report open issues for identifying potential mitigating measures● Conduct periodic security reviews and technical security assessments to identify potential risks, security violations and inefficiencies● Document test results and analyse the current security level and define appropriate mitigating actions● Improve Company’s Security Systems configuration to increase organization’s overall level of security● Conduct Security Investigation and recommend mitigation actions for security incidents● Research and identify new technologies to improve Security of the applications/systems● Serve as senior consultant providing security services between IT leaders, providing assistance when security controls cannot be met.

Feb 2022 - Sep 2023

Senior Penetration Tester - Application Security Architect

Athens, Attiki, Greece

● Preforming Network, Web and Mobile application penetration tests. ● Providing oral briefings to leadership and technical staff.● Proposing remediation strategies for resolving system vulnerabilities.● Creating written reports, detailing assessment findings & recommendations. ● Reviewing current system security measures and recommending enhancements.● Architecture design and technical guidelines for Integrations.

Apr 2016 - Jan 2022

It Security Engineer - Penetration Tester

Athens, Attiki, Greece

● Design, Implementation and Administration Database Firewalls and Web App Firewalls.● Security Hardening on Systems.● Log Management, Audit and SIEM Administration.● Review and Update OS/DB Security Hardening Guides.● Evaluate security via Audits on OS/DB.● Perform Vulnerability Assessments.● Perform Web and Mobile application penetration tests.

Apr 2016 - Jul 2017

It Systems Support Engineer (T-Mobile Nl)

Athens, Attiki, Greece

Systems and application support on Telecommunications, Business Intelligence and ERP applications● Systems & Application Support on Telecommunications,Business Inelegance and ERP applications ● Support of critical telco applications on a 24/7 standby basis● Application Configuration, deployment and troubleshooting coordination● Management of systems to eliminate risk of data loss● Engineering shell scripts to automate system administration tasks● Engineering shell scripts for custom monitoring of critical business applicationsKeywords:SAP Business Objects BI,Teradata, SAS Enterprise Miner, Remedy Action Request system, ETL procedures, data reconciliation, fraud detection

Oct 2013 - Mar 2016

Data Management

Infoset

● IT Security Consultant● Data Management ● Technical Support of Custom IT Software System

Sep 2010 - Aug 2012

Junior Developer

University Of Piraeus

C# and Action Script Developing

Oct 2009 - Mar 2010

Teacher Of Adults

Education Center Hasiakis

ECDL Courses

Oct 2008 - Mar 2009
Team & coworkers

Colleagues at QUALCO

Other employees you can reach at qualco.eu. View company contacts for 308 employees →

3 education records

Dimitris Karetsos education

Msc, Digital Systems Security

University Of Piraeus

Bsc, Digital Systems

University Of Piraeus

Activities and Societies: 3rd Position at MICROSOFT- IMAGINE CUP 2009 "SOFTWARE DESIGN", Greece

FAQ

Frequently asked questions about Dimitris Karetsos

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

What company does Dimitris Karetsos work for?

Dimitris Karetsos works for QUALCO.

What is Dimitris Karetsos's role at QUALCO?

Dimitris Karetsos is listed as Cyber Security Architecture & Operations Manager | MSc | GCPN | OSCP | CEH | ISO 27001 at QUALCO.

Where is Dimitris Karetsos based?

Dimitris Karetsos is based in Pallíni, Attiki, Greece while working with QUALCO.

What companies has Dimitris Karetsos worked for?

Dimitris Karetsos has worked for Qualco, Alpha Bank, Motor Oil, Cosmote Mobile Telecommunications S.A., and Ote Group Of Companies (Hto).

Who are Dimitris Karetsos's colleagues at QUALCO?

Dimitris Karetsos's colleagues at QUALCO include Olga Kakava, Dimitra Anna Skourtsi, Andreas Chatziandreou, Xenia Martini, and Vasileios Nikos.

How can I contact Dimitris Karetsos?

You can use AeroLeads to view verified contact signals for Dimitris Karetsos at QUALCO, including work email, phone, and LinkedIn data when available.

What schools did Dimitris Karetsos attend?

Dimitris Karetsos holds 588|Cloud Penetration Testing, Computer And Information Systems Security/Information Assurance from Sans Technology Institute.

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