Articles by Christian Fischer

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DT and Huawei go live with Europe‘s first 5G connection

First pre-standard 5G connection in live network in central Berlin based on latest 3GPP specifications.

Cash register systems must be protected against fraud.


How to get cash registers clean

Cash register systems get a secure, digital identity plugged in. Fraud impossible, records can no longer be manipulated afterwards.

Blackmail mails becoming more and more perfidious


Blackmail via e-mail is getting more and more perfidious

As if it wasn’t enough that in 2018 many individuals received extortionary e-mails – similar frauds now strike more and more small and medium-sized enterprises.

Security Trends 2019.


High time for an interface detox

Warning about too much Internet of Things, carelessness in contactless payment and AI-based bot hunting - these are the Security Trends 2019.

Family with a Smartphone


ID-Alarm watches for misuse of data

Deutsche Telekom expands its digital protection package „Digital Schutzpaket“
and alerts in case of identity theft.