Konstantinos Zacharos

Konstantinos Zacharos

Information Security Officer

Chania, Greece 11 years Europe/Athens
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Experience

6 companies

Bank Of Chania

1 year 2 months

Chief Information Security Officer

May 2025 - Present

Impactful accomplishments * Developed and executed a comprehensive Information Security Strategy aligned with business objectives. * Built the Informa...

Persado

3 years 8 months

Senior Information Security Administrator

Aug 2021 - Apr 2025

Impactful accomplishments * Achieved and maintained SOC 2 Type I & II compliance, enhancing client trust. * Ensured adherence to ISO 27001 security st...

Cosmote, Deutsche Telekom Group Of Companies

2 years 2 months

Information Security Analyst

May 2019 - Jul 2021

Impactful accomplishments * Created dedicated channels for high-priority clients, delivering tailored, responsive support. * Led cyber-attack response...

Encode

7 months

Security Operation Center Engineer

Sep 2018 - Apr 2019

Impactful accomplishments Provided security support, resolving issues and ensuring secure, reliable operations. * Acted as primary escalation point, g...

Neurosoft

3 years 11 months

Information Security Analyst

Sep 2014 - Aug 2018

Impactful accomplishments Supported pre-sales teams with MSS expertise, boosting client satisfaction and sales. Designed scalable SIEM architectures e...

Grnet

3 months

Information Security Intern

Jul 2013 - Oct 2013

Key responsibilities Monitoring for security and policy violations Development and automation of tools for monitoring

Education

1 degrees

Computer Systems Networking & Telecommunications Bachelor's Degree

General Studies

City University Of Seattle

2026 – Present

Certifications

8 certs

Certified In Risk and Information Systems Control (CRISC)

Apr 2025

ISACA

Verified

Certified Information Systems Auditor (CISA)

Jan 2025

ISACA

Verified

Certified Information Systems Security Professional (CISSP)

Jan 2024

(ISC)2

Verified

Certified Information Security Manager (CISM)

Jan 2023

ISACA

Verified

Certified Information Systems Security Professional (CISSP)

ISC2

Certified Information Security Manager® (CISM)

ISACA

Certified Information Systems Auditor® (CISA)

ISACA

ISO IEC 270012022 LEAD Auditor

TUV Nord

Skills

31 skills
Risk Management
Policy Development
Incident Management
Vendor Management
Vulnerability Management
Security Audits
Project Management
Board Security Briefings
User Access Reviews
SOC Escalations Alert Oversight
Regulatory Compliance
Social Engineering Simulations
Client Security Audits
Implementation OF Policies Standards Procedures
Internal Software Audit
Security Awareness Training
Ot Security
Client Management
SOC Operations AND Monitoring
IBM Qradar Siem Management
Correlation Rule Development AND Tuning
Security Engineering
Technical Client Support
Mentoring Junior Detection Analysts
Vulnerability Management And Remediation
Continuous Security Monitoring Using IBM Qradar
Security Policy AND Procedure Development
Correlation Rule Design AND Maintenance
Incident Response AND Containment
Honeynet Development AND Upkeep
Monitoring FOR Security AND Policy Violations