Mariusz Z.
Sopot, Poland
100%
Job Success
Top Rated Plus
Penetration Tester / Incident Analyst / Security Compliance Consultant
$75.00/hr
Since 2014 I work professionally as a Pen Tester/Security Researcher. Between 2008-2013, prior switching full time to info sec, I've worked as a Programmer (C/C++, PHP, Java, node.js) and DevOps (AWS-based environments).
Currently I work under my own brand (Z-Labs) delivering Penetration Testing / Adversary Simulation Exercises services to clients around the globe.
I pride myself for:
1. Offering high quality penetration testing services conducted in safe and controlled manner by certified Security Expert (Since 2014 I'm CISSP, since 2016 I'm OSCP and since 2017 I hold SANS GXPN certification).
2. Putting emphasis on advanced manual attack techniques and on adherence to industry-wide standards and methodologies: OWASP TOP 10, OWASP ASVS, OSSTMM and PTES during the testing.
3. Delivering actionable and professionally written reports (ready to be shared with your stakeholders at all levels).
4. Possessing advanced R&D capabilities
Offered Services:
1. Network Penetration Testing / Adversary Simulation Exercises
2. Web Application Penetration Testing
3. Cloud Security Assessments
4. C/C++ source code audits and vulnerability research
Offered Solutions:
5. Continuous, Expert-assisted Vulnerability Assessment
Work History
Network & Infrastructure Penetration Tester / Ethical Hacker
4.40
Sep 19, 2019
-
Jan 21, 2020
"Mariusz is one best in the industry. if you have an advanced security project he is the right person to lead it."
Private earnings
Web App Penetration Testing/Security Audit
5.00
Jul 16, 2019
-
Aug 28, 2019
Private earnings
Forums pentest
5.00
May 22, 2019
-
Jun 19, 2019
"Everything is done perfectly and at the exact time!"
Private earnings
Penetration Testing PHP
5.00
Mar 11, 2019
-
Mar 25, 2019
Private earnings
Need security professionals to perform AWS and network penetration testing
5.00
Jan 24, 2019
-
Mar 7, 2019
"Mariusz work is great and will definitely work with him again if needed."
Private earnings
Raspberry Pi Expert Needed for Software Security
5.00
Jan 25, 2019
-
Feb 11, 2019
"Even though Mariusz bid came in above our initial offer, he was clearly a qualified candidate and we selected him for the project. We are glad we did. The project came in on time with quality work."
Private earnings
Snort, Snortby install script - Linux, Sed, Bash, Security, Ubuntu
Sep 4, 2012
-
Oct 1, 2018
No feedback given
Private earnings
Linux and AWS expert required with knowledge of PHP
Jan 13, 2014
-
Oct 1, 2018
No feedback given
Private earnings
Need Custom linux Bash Script
Sep 20, 2012
-
Dec 25, 2012
No feedback given
Private earnings
Security Code Review of Web Application
5.00
Aug 6, 2012
-
Aug 14, 2012
"Delivers great work."
Private earnings
Cybersecurity Expert Wanted
Apr 27, 2022
-
Present
Job in progress
Private earnings
Wanted: Ethical Hacker
Aug 18, 2020
-
Present
Job in progress
Private earnings
Mariusz Z. has more jobs. Create an account to review them
Portfolio
Want to see more? Create Account
Skills
- Penetration Testing
- Vulnerability Assessment
- Cybersecurity Management
- Security Assessment & Testing
- Information Security
- Security Infrastructure
- Web App Penetration Testing
- Certified Information Systems Security Professional
- Web Application Security
- Cloud Security
- Cloud Security Framework
- Compliance Consultation
- IT Compliance Audit
- ISO 27001
- Network Penetration Testing
Mariusz Z.
Sopot, Poland
100%
Job Success
Top Rated Plus
43
Total Jobs
3,035
Total Hours
View profile
All work
Penetration Tester / Incident Analyst / Security Compliance Consultant
Specializes in$75.00/hr
Since 2014 I work professionally as a Pen Tester/Security Researcher. Between 2008-2013, prior switching full time to info sec, I've worked as a Programmer (C/C++, PHP, Java, node.js) and DevOps (AWS-based environments).
Currently I work under my own brand (Z-Labs) delivering Penetration Testing / Adversary Simulation Exercises services to clients around the globe.
I pride myself for:
1. Offering high quality penetration testing services conducted in safe and controlled manner by certified Security Expert (Since 2014 I'm CISSP, since 2016 I'm OSCP and since 2017 I hold SANS GXPN certification).
2. Putting emphasis on advanced manual attack techniques and on adherence to industry-wide standards and methodologies: OWASP TOP 10, OWASP ASVS, OSSTMM and PTES during the testing.
3. Delivering actionable and professionally written reports (ready to be shared with your stakeholders at all levels).
4. Possessing advanced R&D capabilities
Offered Services:
1. Network Penetration Testing / Adversary Simulation Exercises
2. Web Application Penetration Testing
3. Cloud Security Assessments
4. C/C++ source code audits and vulnerability research
Offered Solutions:
5. Continuous, Expert-assisted Vulnerability Assessment
Work History
Network & Infrastructure Penetration Tester / Ethical Hacker
4.40
Sep 19, 2019
-
Jan 21, 2020
"Mariusz is one best in the industry. if you have an advanced security project he is the right person to lead it."
Private earnings
Web App Penetration Testing/Security Audit
5.00
Jul 16, 2019
-
Aug 28, 2019
Private earnings
Forums pentest
5.00
May 22, 2019
-
Jun 19, 2019
"Everything is done perfectly and at the exact time!"
Private earnings
Penetration Testing PHP
5.00
Mar 11, 2019
-
Mar 25, 2019
Private earnings
Need security professionals to perform AWS and network penetration testing
5.00
Jan 24, 2019
-
Mar 7, 2019
"Mariusz work is great and will definitely work with him again if needed."
Private earnings
Raspberry Pi Expert Needed for Software Security
5.00
Jan 25, 2019
-
Feb 11, 2019
"Even though Mariusz bid came in above our initial offer, he was clearly a qualified candidate and we selected him for the project. We are glad we did. The project came in on time with quality work."
Private earnings
Snort, Snortby install script - Linux, Sed, Bash, Security, Ubuntu
Sep 4, 2012
-
Oct 1, 2018
No feedback given
Private earnings
Linux and AWS expert required with knowledge of PHP
Jan 13, 2014
-
Oct 1, 2018
No feedback given
Private earnings
Need Custom linux Bash Script
Sep 20, 2012
-
Dec 25, 2012
No feedback given
Private earnings
Security Code Review of Web Application
5.00
Aug 6, 2012
-
Aug 14, 2012
"Delivers great work."
Private earnings
Cybersecurity Expert Wanted
Apr 27, 2022
-
Present
Job in progress
Private earnings
Wanted: Ethical Hacker
Aug 18, 2020
-
Present
Job in progress
Private earnings
Mariusz Z. has more jobs. Create an account to review them
Portfolio
Want to see more? Create Account
Skills
- Penetration Testing
- Vulnerability Assessment
- Cybersecurity Management
- Security Assessment & Testing
- Information Security
- Security Infrastructure
- Web App Penetration Testing
- Certified Information Systems Security Professional
- Web Application Security
- Cloud Security
- Cloud Security Framework
- Compliance Consultation
- IT Compliance Audit
- ISO 27001
- Network Penetration Testing
Hours per week
As Needed - Open to Offers
< 3 days response time