Mariusz Z.

Mariusz Z.

SopotPoland
Job Success
Top Rated Plus

Penetration Tester / Incident Analyst / Security Compliance Consultant

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
Rating is 4.4 out of 5.
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
Rating is 5 out of 5.
5.00 Jul 16, 2019 - Aug 28, 2019
Private earnings
Rating is 5 out of 5.
5.00 May 22, 2019 - Jun 19, 2019

"Everything is done perfectly and at the exact time!"

Private earnings
Rating is 5 out of 5.
5.00 Mar 11, 2019 - Mar 25, 2019
Private earnings
Rating is 5 out of 5.
5.00 Jan 24, 2019 - Mar 7, 2019

"Mariusz work is great and will definitely work with him again if needed."

Private earnings
Rating is 5 out of 5.
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
Sep 4, 2012 - Oct 1, 2018

No feedback given

Private earnings
Jan 13, 2014 - Oct 1, 2018

No feedback given

Private earnings
Sep 20, 2012 - Dec 25, 2012

No feedback given

Private earnings
Rating is 5 out of 5.
5.00 Aug 6, 2012 - Aug 14, 2012

"Delivers great work."

Private earnings

Mariusz Z. has more jobs. Create an account to review them

Portfolio

Actionable, professionally written reports
Actionable, professionally written reports
Certified Security Expert
Certified Security Expert
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Mariusz Z.

Mariusz Z.

SopotPoland
Job Success
Top Rated Plus
43
Total Jobs
3,035
Total Hours

View profile

Penetration Tester / Incident Analyst / Security Compliance Consultant

Specializes in
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
Rating is 4.4 out of 5.
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
Rating is 5 out of 5.
5.00 Jul 16, 2019 - Aug 28, 2019
Private earnings
Rating is 5 out of 5.
5.00 May 22, 2019 - Jun 19, 2019

"Everything is done perfectly and at the exact time!"

Private earnings
Rating is 5 out of 5.
5.00 Mar 11, 2019 - Mar 25, 2019
Private earnings
Rating is 5 out of 5.
5.00 Jan 24, 2019 - Mar 7, 2019

"Mariusz work is great and will definitely work with him again if needed."

Private earnings
Rating is 5 out of 5.
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
Sep 4, 2012 - Oct 1, 2018

No feedback given

Private earnings
Jan 13, 2014 - Oct 1, 2018

No feedback given

Private earnings
Sep 20, 2012 - Dec 25, 2012

No feedback given

Private earnings
Rating is 5 out of 5.
5.00 Aug 6, 2012 - Aug 14, 2012

"Delivers great work."

Private earnings

Mariusz Z. has more jobs. Create an account to review them

Portfolio

Actionable, professionally written reports
Actionable, professionally written reports
Certified Security Expert
Certified Security Expert
Want to see more? Create Account
As Needed - Open to Offers

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