Mateusz Kocielski Email and Phone Number
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Mateusz Kocielski personal email
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I'm a programmer, system administrator and hobbyist security researcher. Fields of my interests mostly cover programming languages theory, algorithms, operating systems and computer security. My passions and abilities gave me opportunieties to take part in many interesting projects such as writing compilers, interpreters, UNIX-like operating system or designing the plagiarism detection platforms. I've got an extensive knowledge and experience in C, Python, SQL, PHP, OCaml, shell scripting and assembler x86. I've also written much more than "Hello world" in Prolog, Haskell, assembler 6502, assembler MIPS, C#, Java, HTML. Mostly I focus on the UNIX-like platforms, such as OpenBSD, FreeBSD, NetBSD or Linux, I was working with them as an administrator, as well as a programmer. In the security field, I'm interested in UNIX systems security, programs analysis and writing code in the secure way. To sum up, if you're looking for somebody who knows every single Java module in the details, then it's not me. However, if your goal is to find somebody who is able to analyze the problems from many points of view, has got wide interests, skills and wishes to know more, then you've just found one!Specialties: Linux, OpenBSD, FreeBSD, NetBSD, BSD, system administration, security, C, PHP, Python, OCaml, shell, SQL, algorithms, kernel programming, operating systems
Logicaltrust
View- Website:
- logicaltrust.net
- Employees:
- 6
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It Security ConsultantLogicaltrust Jun 2007 - Present554412618557813918334021807276460697824760537653930581802546072732716205987485805210659817798185► Used technologies, knowledge:● Mobile platforms (Android, iOS, Windows Phone), web application security, network security, penetration testing, crypto, code reviews -
Hobbyist Security ResearcherDigitalsun Feb 2010 - PresentDigitalsun is my own hobbyist project focused on a security research.► Selected projects● Minerva PHP fuzzer○ Dynamic analysis tool for uncovering bugs in the PHP intepreter - http://php-security.org/2010/05/11/mops-submission-05-the-minerva-php-fuzzer/index.html○ Found vulnerabilities: CVE-2010-1868, CVE-2010-1917, CVE-2010-4150, CVE-2010-4156, CVE-2011-1938● Research○ OpenSSH vulnerability - potential leak of private key data - CVE-2011-0539● Talks○ SecDay 2010, Wrocław, Poland - The PHP interpeter fuzzing○ OWASP 2011, Kraków, Poland - Minerva - automatic vulnerability scanning○ Confidence 2012, Kraków, Poland - Simplest Ownage Human Observed… Routers○ BSides 2012, Warszawa, Poland - pwning ring0○ BSides 2013, Warszawa, Poland - trust layers○ BSides 2014, Warszawa, Poland - "Every non trivial program has at least one bug"○ Secure 2014, Warszawa, Poland - Security of open source solutions of unmanned aerial vehicles○ Confidence 2015, Kraków, Poland - Trust Boundaries○ EuroBSDCon 2015, Stockholm, Sweden - "BSD-licensed SASL library"○ BSides 2015, Warszawa, Poland - "0xfb44f4f23139bb8a"► Used technologies, knowledge:● PHP, C, Python, security, bug hunting, dynamic analysis, static analysis, low level stuff
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Software DeveloperNetbsd Jun 2013 - Present► Used technologies, knowledge:● C, Security, NetBSD, BSD -
It Security ConsultantIsec.Pl Apr 2012 - Aug 2015SSdtIGEgc2VjdXJpdHkgY29uc3VsdGFudC9wZW50ZXN0ZXIgcmVzcG9uc2libGUgZm9yIGJyZWFraW5nIHRoaW5ncy4gOi► Used technologies, knowledge:● Mobile platforms (Android, iOS, Windows Phone), web application security, network security, penetration testing, crypto -
Software DeveloperFreebsd May 2011 - Aug 2011Testing temporal properties of FreeBSD with Temporally Enhanced Security Logic Assertions (TESLA). This project is a part of the Google Summer of Code 2011.► Used technologies, knowledge:● C, Security, FreeBSD, kernel space -
Software DeveloperMotorola Aug 2010 - May 2011Writing software for embedded devices based on ARM and DSP.► Used technologies, knowledge:● C, Kernel space, embedded devices, ClearCase -
System AdministratorNation.Pl 2002 - Jan 2011Nation.pl is a small internet provider held by me and my colleagues as a hobby. Our idea evolved a bit and now aggregates nearly 50 users.► Responsible for:● System administration○ configuring OpenBSD and Gentoo Linux based servers and gateways○ providing security○ providing services (web, dns, dhcp, database and mail)● Taking care of the network infrastructure○ support○ WLAN/LAN routers configuration► Used technologies, knowledge:● LAN, WLAN, Networking, Network Security, Computer Security, Apache, Exim, MySQL, Gentoo, Linux, OpenBSD
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Software DeveloperNetbsd May 2010 - Aug 2010Writing SASL client library as a part of the Google Summer of Code 2010 project. Project webpage can be found at http://netbsd-soc.sourceforge.net/projects/sasl_client_lib/► Responsible for:● Programming○ API design of the libsaslc○ the libsaslc skeleton implementation○ SASL mechanisms implementation► Used technologies, knowledge:● C, Security, NetBSD, BSD -
Programmer, Solution ArchitectIt Business Consulting Experts 2007 - 2009► Responsible for:● Building solutions○ creating solutions for the customers○ designing plagiarism detection algorithms● Coordinating programmers○ coordinating task schedules○ leading programmers team● Programming○ webcrawler for the plagiarism detection platform○ implementing plagiarism detection algorithms● Auditing○ pentesting customers' websites► Used technologies, knowledge:● Python, C, PostgreSQL, SQL, Debian Linux, FreeBSD, algorithm design, natural language processing, SVN, Trac, Security
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Programmer, System AdministratorIntersieć 2006 - 2008► Responsible for:● Contest organization○ writing tasks for countrywide contests (OKI and SecruityDays)○ providing technical support for contestants○ creating vision of SecurityDays● System administration○ hardening systems (mostly running on Debian GNU/Linux)○ providing security ● Programming ○ handling websites○ providing security sandboxing libraries for tasks○ providing tasks► Used technologies, knowledge: ● C, Python, PHP, SQL, MySQL, Debian Linux, FreeBSD, Networking, Computer Security, Secure programming
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ProgrammerAkademia Alternatywnych Systemów Operacyjnych 2006 - 2007► Responsible for:● Programming○ developing software for web hosting management○ developing software for web filesystem► Used technologies, knowledge:● C, Python, PHP, SQL, MySQL, PostgreSQL, Fedora, Debian Linux, FreeBSD, Security
Mateusz Kocielski Skills
Mateusz Kocielski Education Details
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Computer Science
Frequently Asked Questions about Mateusz Kocielski
What company does Mateusz Kocielski work for?
Mateusz Kocielski works for Logicaltrust
What is Mateusz Kocielski's role at the current company?
Mateusz Kocielski's current role is IT Security Consulʇant.
What is Mateusz Kocielski's email address?
Mateusz Kocielski's email address is m.****@****ail.com
What schools did Mateusz Kocielski attend?
Mateusz Kocielski attended Uniwersytet Wrocławski.
What are some of Mateusz Kocielski's interests?
Mateusz Kocielski has interest in Mathematics, Computer Science, Security, Music, Operating Systems.
What skills is Mateusz Kocielski known for?
Mateusz Kocielski has skills like Linux, Shell Scripting, Security, Python, C, Unix, Php, Penetration Testing, Freebsd, Bash, Ansi C, Algorithms.
Who are Mateusz Kocielski's colleagues?
Mateusz Kocielski's colleagues are Damian Pajszczyk, Łukasz J..
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