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Reliable IT security for SMEs and corporations.

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Driving force for cyber resilience in leading companies

Lecturing activities

Consulting activities

Lecturing activities

Security solutions that suit your company

Certified security at enterprise level

Corporations

Whether a single test or a scalable pentest as a service – we provide comprehensive support to corporate groups in the areas of information security, IT security and proactive IT auditing. Scalable, at short notice and with Critical Infrastructures experience in highly regulated industries such as food retail, banking, healthcare and energy.

Solutions for corporate groups

Fast protection for SMEs

SMES

Whether undiscovered vulnerabilities or acute attacks – we help medium-sized companies to understand and minimize IT risks and protect managing directors from liability.

Solutions for SMEs

Specialist articles & insights from KALWEIT ITS

Alle Beiträge

Security testing in all variants. With a focus on pentesting

Pentesting

We identify real vulnerabilities in your IT infrastructure. Over 400 penetration tests in eight years. Exclusively permanently employed, certified deep specialists from Germany.

Managed pentesting

For companies that need continuous security: regular pentests, vulnerability monitoring and compliance reports - tailored to regulatory requirements such as DORA, ISO 27001 and BAIT.

Red Teaming

Red Teaming meets reality: we simulate targeted attacks on your company - across technology, processes and employees. The focus is not just on the attack, but on how well your internal Blue Team reacts, recognizes and defends against it. This is how you measure your real cyber resilience.

Specializing in what others overlook

We specialize in manual penetration testing and bring a fresh perspective to IT security. From SMEs to large corporations – we deliver customized solutions and find security gaps that others overlook. DAX companies and many medium-sized companies have trusted us for over nine years. Honored as “Hamburger of the Month” by DIE ZEIT and as Forbes 30 under 30 DACH by Forbes.

About KALWEIT ITS

Flexible in implementation. Reliable on any scale.

KALWEIT ITS specializes in penetration tests in regulated and complex infrastructures. We support medium-sized companies nationwide as well as leading banks, insurers and many other industries. As an independent consulting and auditing company for IT security with in-depth technical expertise, we tailor our processes precisely to your requirements.

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Your contact persons

Security is a matter of trust. With us, you don't talk to a ticket system - you talk directly to experienced experts.

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Philipp Kalweit is the managing partner of KALWEIT ITS. At the age of 16, he turned his hobby into a profession with a special permit from the local court and founded today’s company a year later. For his entrepreneurial activities, he was honored in 2019 as “Hamburger of the Month” by DIE ZEIT, featured on the cover of Focus magazine and included in the Forbes “30 Under 30” list.

S. Philipp Kalweit

Managing Partner

+49 40 285 301 257
hello@kalwe.it

Dipl.-Wirtsch.-Ing. Günther Paprocki has been Managing Partner of KALWEIT ITS since 2024 and is responsible for Operations and Human Resources as well as the organizational development of the company. He previously held various positions at Sharp, Philips and Cisco, where he gained experience in central technology developments, including the development of early mobile networks and the first internet infrastructures.

Günther Paprocki