Norman W. Profile

4.7

(3 reviews)

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$25 USD / hour

karlsruhe,

germany

$25 USD / hour

It's currently 2:07 AM here

Joined February 9, 2019

0 Recommendations

Norman W.

@breakITSecurity

4.7

(3 reviews)

1.5

100%

$25 USD / hour

karlsruhe,

germany

$25 USD / hour

100%

Jobs Completed

100%

On Budget

81%

On Time

N/A

Repeat Hire Rate

IT Security Specialist

Services: * Vulnerability assessments of networks, applications or web sites. * White or black box penetration testing of networks and services. * Red team hacking to prepare for a case of emergency. * Automated Scans of your services or network on a regular basis. * Support creating/improving your security policy. * Create documents you need to comply with GDPR. * Having issues with the installation/configuration of your PBX? No problem for me. * Your networks behavior is unexpected? Let me do the troubleshooting. * Get support in Linux and network administration. ****************************** Experience: * Penetration testings and vulnerability assessments. * SPI, IDS, IPS (iptables, snort, fail2ban and so on). * Linux server administration (Debian, Ubuntu, Kali, CentOS). * Network administration. * VoIP/SIPS/SRTP (Asterisk PBX based). * TDD with python. Feel free to take a look at my portfolio.

See all Linux Developers in Germany

Contact Norman W. about your job

Portfolio

https://www.siptrunk.de

Though we all hope it will never occur, breakdowns, system failures, etc. leading to a financial loss of my customers are covered by my insurance.
If you want to know more visit: https://www.exali.de/siegel/breakIT-Security

Insurance: https://www.exali.de/siegel/breakIT-Security

SIP Provider: STARFACE-connect

I made my degree as a qualified IT specialist in system integration at STARFACE GmbH. The first weeks I was reading through RFC 3261 and other RFCs related to the network protocols SIP and RTP. After that, I hunted bugs customers where explaining about with the help of Wireshark and the knowledge acquired from books. As I completed my apprenticeship I was happy about the gained permanent employment as a system engineer. Because of my knowledge and interest in IT security, I found some (serious) issues. After explaining this to my project leader, he made me responsible for the security of the product. I began to hunt bugs in the web app of the PBX product and searched all running services for misconfigurations and missing or not sufficient policies. I gave workshops about attacking SIP with a man-in-the-middle-scenario and adviced to use SIPS and SRTP, which led me to one of the few R&D tasks.
Then my project leader quitted. Due to my deep knowledge in SIP, I had to develop siptrunk

STARFACE PBX

https://www.siptrunk.de

Insurance: https://www.exali.de/siegel/breakIT-Security

SIP Provider: STARFACE-connect

STARFACE PBX

Reviews

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Showing 1 - 3 out of 3 reviews

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5.0

€17.00 EUR

I need some help to install Anbox (Android in a Box) on Ubuntu 18.04

Norman was fast, friendly and very competent. Highly recommended.

Matthias G.

@uptowncss

•

5 years ago

3.6

$10.00 USD

Project for Norman W.

Very good quality of work.

+1 more

Closed User

@akshathachabriya

•

5 years ago

5.0

£20.00 GBP

Help installing API on server

Delivered super quick, brilliant communication and very knowledgable

Graham R.

@coolbartdude

•

5 years ago

Experience

STARFACE

Mar 2013 - May 2018 (5 years, 2 months)

Responsible for many happy customers. Checked security of running services like Asterisk, WebApplication , database, SSH, etc. Engineered a testing platform for the PBX with different SIP provider products (www.siptrunk.de) in Java. Deep knowledge in network protocols especially SIP and tracing/debugging networklayer with wireshark. Several R&D tasks on how to implement new features. Crossbreed between System Integration, Network Specialist and Software Developer.