IT Sicherheit – frischer Wind
IT security – a breath of fresh air
Sécurité informatique – un vent de fraîcheur
Seguridad informática – un soplo de aire fresco
Hacker sind kreativ und finden immer neue Wege in Unternehmen einzudringen. Um Angreifern weiterhin einen Schritt voraus zu sein, braucht es immer wieder neue Ideen.

KALWEIT ITS – Wir bringen frischen Wind.
Hackers are creative and always find new ways to penetrate companies. To stay one step ahead of attackers, new ideas are always needed.

KALWEIT ITS – We bring a breath of fresh air.
Les pirates informatiques sont créatifs et trouvent toujours de nouveaux moyens de s'introduire dans les entreprises. Pour garder une longueur d'avance sur les attaquants, il faut sans cesse de nouvelles idées.

KALWEIT ITS – Nous apportons un vent de fraîcheur.
Los hackers son creativos y siempre encuentran nuevas formas de penetrar en las empresas. Para estar un paso por delante de los atacantes, siempre se necesitan nuevas ideas.

KALWEIT ITS – Traemos un soplo de aire fresco.


“When you turn your hobby into your profession, one thing is very clear: Passion and passion become the DNA of the company.”


Hobbies: kayaking (Außenalster), racing bike, traveling

Heart Topics: Penetration Testing, Security Awareness, Social Engineering, SMD Soldering, Personality Development, Brand Awareness, Brand Identity, Consulting.

Philipp Kalweit

(Sven.) Philipp Kalweit is an experienced IT security consultant on the topics of security awareness and offensive IT auditing. For the past six years, he has been advising and auditing clients from the SME and group environment, in particular ECB and BaFin-regulated organizations as well as groups in the retail sector. His consulting focus is on holistic IT security.

At the age of nine, he found his passion for IT security, began to gain initial experience with computer systems and programming languages. The first presentations at renowned conferences such as CeBIT followed. By means of an exemption, he succeeded at the age of 16 in having himself pronounced fully competent by the district court of Neustadt am Rübenberge (Hanover). Shortly thereafter, he registered as a freelance IT security consultant. Due to high customer demand, he founded a better organized legal form at the age of 17, and KALWEIT ITS GmbH came into being.

Today, the company is considered one of the best-known and leading consultancies specializing exclusively in manual penetration testing. Since 2017, the company has been serving a large number of KRITIS and DAX companies from the financial, retail, insurance and healthcare sectors.

Philipp Kalweit is majority shareholder, founder and current managing director of KALWEIT ITS GmbH. He was honored for his work in 2019 by DIE ZEIT as “Hamburger of the Month” and in the same year was included in the Forbes “30 under 30 DACH” list.


Tim Möller

Tim Möller

Chief Technology Officer


Tim Möller is an experienced IT security expert and has been dealing with all kinds of offensive IT audits since 2011. In 2021 he started his work at KALWEIT ITS. Since 2022, he has held the position of Chief Technology Officer and is responsible for the strategic and operational management of the Pentest teams as Director Pentest Delivery. As a Red Team specialist, his expertise lies in performing inside perpetrator penetration testing.

Hobbies: Fillian (hoverwart dog), traveling nordic countries, good food

Heart Topics: Red Teaming, Social Engineering, Lockpicking.

Günther Paprocki

Günther Paprocki

Chief Operating Officer


As Chief Operating Officer, Günther Paprocki is responsible for the operational business at KALWEIT ITS. In his role as Director Projects & Clients, he focuses in particular on internal processes and strategic and operational sales. With over 30 years of experience in a wide range of IT fields – from small software developers to global companies such as Sharp, Philips or Cisco – he is one of the senior colleagues on board. Born in Munich, he moved to his new adopted city of Hamburg at the beginning of 2000 for love.

Hobbies: For fresh wind and good air Günther likes to go sailing in his spare time, as long as his other hobby “family” allows it. As soon as it gets cold outside, the gray cells are exercised with web programming.

Topics close to our hearts: Process optimization, project planning, data protection, cooperation in partnership.

Julian miller

Julian miller

Chief Financial Officer

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