To the page content
Success guaranteed

Cyber Security

Cyber threats evolve daily – we provide you with the strategies, technologies and partners you need to stay secure today and tomorrow.

We protect our customers from cyber threats – just as we protect ourselves.

In the event of a serious IT security incident, you can reach us 24/7 at the following number: +49 228 555225000.

Skip anchor navigation

Success guaranteed

Cyber attacks are becoming increasingly sophisticated – and no longer only target large corporations. Small and medium-sized enterprises are also increasingly in the crosshairs and need to take their digital defences to a new level. 

To remain competitive today, you need more than just technical solutions – you need integrated security strategies, proactive services and a deep understanding of new threats. According to an IBM study , companies with fully implemented security solutions such as AI, XDR or Zero Trust have already been able to reduce their damage costs by up to 40% – clear evidence of the economic benefits of effective cyber security.

The professionals at T Business are your strong and experienced partner when it comes to cyber security.

What sets us apart

0
1
2
3

We provide individual and comprehensive advice

Tailored protection: security packages for your specific requirements, objectives and business strategies.

We understand your industry

Over 20 years of expertise: know-how and diverse use cases ranging from automotive to the public sector.

We are always one step ahead

Proven technologies, global early warning systems and automated response processes for maximum security.

Solutions at a glance

  • Cyber Defense Services

    Optimal protection for your IT systems: we enable the prevention and avoidance of new cyber attacks. Our service initiates countermeasures immediately – your business continues to run smoothly.

    About Cyber Defence Services
  • Security Consulting

    Security is for Sharing: First-hand knowledge and excellent networking with federal and state authorities to curb cyber crime are examples of our comprehensive and preventive consulting service – so that nothing stands in the way of your successful growth.

    About Security Consulting
  • Infrastructure Security

    Protect your corporate network against industrial espionage and previously unknown types of attacks with the latest security technologies. Utilise resources in the right place – to focus on your goals and achieve optimal success.

    About Infrastructure Security
  • Identity Security

    With Telekom Security's identity security solutions, you can ensure trustworthy identities in digital business processes, thereby promoting the satisfaction of your customers and partners.

    About Identity Security

Ranked number 1 in Germany according to PAC

Skip carousel content
Chart: PAC Analysis Top 10 IT Security Germany
Chart: PAC analysis of the top 10 business ICT services in Germany
Chart: PAC analysis of the top 10 IT services excluding BPO in Germany

Four-time winner in Managed Cyber Security Services

Skip carousel content
Next-Gen SOC MDR Services Leader

Analyst assessment: Next-gen SOC/MDR services

Deutsche Telekom is a leading provider of comprehensive next-gen SOC/MDR services "made in Germany", which are delivered by a large, qualified team.

Next-Gen SOC MDR Services – Midmarket Leader

Analyst assessment: Next-gen SOC/MDR services (mid-market)

Deutsche Telekom is investing in its attractive offering and delivery from Germany, making it a leading provider in the mid-market Next-Gen SOC/MDR market.

Strategic Security Services_Leader

Analyst rating: Strategic Security Services

Deutsche Telekom impresses with its end-to-end and KRITIS expertise as well as its consulting services for combined IT and telecommunications security.

Technical Security Services_Leader

Analyst rating: Technical Security Services

Comprehensive end-to-end services made in Germany and a highly qualified team make Deutsche Telekom a leader in the German market for technical cybersecurity services.

Latest news on cyber security

Skip carousel content
Cover from Whitepager – Stress test of generative AI

The stress test for generative AI

The use of AI chatbots is becoming increasingly popular. Generative AI and AI chatbots offer many opportunities, but they also pose cybersecurity risks. In this white paper, companies learn how they can secure their AI systems through security measures and pentesting.

Download now
Cover company of the year 2025

Company of the Year 2024

Telekom Security received an award in the Managed Security Services category in the DACH region. You can find out more about this award here. 

Download now
Cover of the white paper Efficient Security

Efficient security

Traditional segmentation at the network level is no longer sufficient. Software-defined microsegmentation is more efficient, precise and cost-effective. It saves time, money and stress. This protection also meets the requirements of the BSI, Kritis and the NIS 2 Directive. You can find background information and tips in this white paper.

Download now
Cover of the Frost Radar white paper

Frost Radar – Managed Security Services in Europe 2024

Telekom Security was recognised in Frost Radar 2024 as one of the leading providers of managed security services in Europe. Find out more about our innovative strength and market position now.

Download now

Success stories

Skip carousel content
Smiling child with mobile phone next to mother and in front of them the dragon for safety from E.ON

Educational product raises awareness of security issues among E.ON employees

The energy supplier is working with Deutsche Telekom to raise awareness of IT and cyber security issues among employees worldwide. 

Lots of Ricola sweets wrapped in yellow paper.

Ricola: Tailor-made cyber security with Telekom's MDR Pro

The new MDR Pro solution from Telekom Security offers a comprehensive, automated and scalable security platform that integrates seamlessly into existing systems. This enables Ricola to strengthen its cyber security in the long term and remain well equipped to deal with future threats.

Webinar on cyber security - German only

Silver-grey robot avatar head with headset

Telephony of the future: AI telephony is so simple and secure

Artificial intelligence and automation are reshaping telephony. AI functions such as voice assistance, intelligent call distribution, transcription and analysis are now also expected from telephone systems. In the T Business Webinar, we will show you options for seamless integration with high security standards, scalability and future-proofing, as well as mobility and omnichannel capability, while maintaining user-friendliness, high voice quality and guaranteed availability. In short: how does telephony work in the age of AI?

To register 03.03.2026
Three people are looking at a laptop, graphically surrounded by a magenta-coloured swirl.

Cybersecurity that grows with you – we actively protect your company 24/7

How can we reliably protect our systems without having to build and maintain a large security team ourselves? The right answer is: Managed Detection & Response (MDR). Specialised experts at Telekom Security monitor your IT systems around the clock, detect suspicious activity early on and respond immediately – before problems arise. Find out more in our T Business webinar!

To register 10.02.26
Woman and man at laptop in front of globe with magenta swirl

Secure Network – AI-supported network monitoring

Our T Business Webinar offers a one-hour introduction to the basic concepts of network security and artificial intelligence: optimising and monitoring network infrastructure using AI, SD-WAN for intelligent control of network resources, protection mechanisms such as firewalls and Secure Access Service Edge (SASE), and managed services provided by Telekom experts. Practical examples and use cases offer interesting insights.

To register on 26 February 2026

Digitisation

A young woman and a young man serve customers in a flower shop with a digital cash register.

Digitisation

Start your business with Telekom as your reliable partner for the future. Discover our solutions and offers for your digitalisation now!

Impetus for your success

Skip carousel content

Microsoft 365 Copilot

Become more productive and enhance your apps, meetings and workflows with valuable AI features.

About Microsoft 365 Copilot

Apple for your business

Innovative Apple products for your business on Telekom's best network.

Apple for your business

Cloud Infrastructure

Always well equipped with excellent business infrastructure and suitable software solutions from the cloud.

About Cloud Infrastructure

Telekom's Microsoft expertise

We are your expert partner from identification to implementation of Microsoft products.

Telekom's Microsoft expertise

Our awards

  • Telekom comes out on top in connect mobile network test
  • Siegel-connect landline test winner 2025 Telekom
  • Gold Partner Microsoft
  • Cisco Gold Partner
  • Zoom Gold Partner